mirror of https://gitee.com/openkylin/linux.git
2670 lines
69 KiB
C
2670 lines
69 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Freescale FSL CAAM support for crypto API over QI backend.
|
|
* Based on caamalg.c
|
|
*
|
|
* Copyright 2013-2016 Freescale Semiconductor, Inc.
|
|
* Copyright 2016-2018 NXP
|
|
*/
|
|
|
|
#include "compat.h"
|
|
#include "ctrl.h"
|
|
#include "regs.h"
|
|
#include "intern.h"
|
|
#include "desc_constr.h"
|
|
#include "error.h"
|
|
#include "sg_sw_qm.h"
|
|
#include "key_gen.h"
|
|
#include "qi.h"
|
|
#include "jr.h"
|
|
#include "caamalg_desc.h"
|
|
|
|
/*
|
|
* crypto alg
|
|
*/
|
|
#define CAAM_CRA_PRIORITY 2000
|
|
/* max key is sum of AES_MAX_KEY_SIZE, max split key size */
|
|
#define CAAM_MAX_KEY_SIZE (AES_MAX_KEY_SIZE + \
|
|
SHA512_DIGEST_SIZE * 2)
|
|
|
|
#define DESC_MAX_USED_BYTES (DESC_QI_AEAD_GIVENC_LEN + \
|
|
CAAM_MAX_KEY_SIZE)
|
|
#define DESC_MAX_USED_LEN (DESC_MAX_USED_BYTES / CAAM_CMD_SZ)
|
|
|
|
struct caam_alg_entry {
|
|
int class1_alg_type;
|
|
int class2_alg_type;
|
|
bool rfc3686;
|
|
bool geniv;
|
|
bool nodkp;
|
|
};
|
|
|
|
struct caam_aead_alg {
|
|
struct aead_alg aead;
|
|
struct caam_alg_entry caam;
|
|
bool registered;
|
|
};
|
|
|
|
struct caam_skcipher_alg {
|
|
struct skcipher_alg skcipher;
|
|
struct caam_alg_entry caam;
|
|
bool registered;
|
|
};
|
|
|
|
/*
|
|
* per-session context
|
|
*/
|
|
struct caam_ctx {
|
|
struct device *jrdev;
|
|
u32 sh_desc_enc[DESC_MAX_USED_LEN];
|
|
u32 sh_desc_dec[DESC_MAX_USED_LEN];
|
|
u8 key[CAAM_MAX_KEY_SIZE];
|
|
dma_addr_t key_dma;
|
|
enum dma_data_direction dir;
|
|
struct alginfo adata;
|
|
struct alginfo cdata;
|
|
unsigned int authsize;
|
|
struct device *qidev;
|
|
spinlock_t lock; /* Protects multiple init of driver context */
|
|
struct caam_drv_ctx *drv_ctx[NUM_OP];
|
|
};
|
|
|
|
static int aead_set_sh_desc(struct crypto_aead *aead)
|
|
{
|
|
struct caam_aead_alg *alg = container_of(crypto_aead_alg(aead),
|
|
typeof(*alg), aead);
|
|
struct caam_ctx *ctx = crypto_aead_ctx(aead);
|
|
unsigned int ivsize = crypto_aead_ivsize(aead);
|
|
u32 ctx1_iv_off = 0;
|
|
u32 *nonce = NULL;
|
|
unsigned int data_len[2];
|
|
u32 inl_mask;
|
|
const bool ctr_mode = ((ctx->cdata.algtype & OP_ALG_AAI_MASK) ==
|
|
OP_ALG_AAI_CTR_MOD128);
|
|
const bool is_rfc3686 = alg->caam.rfc3686;
|
|
struct caam_drv_private *ctrlpriv = dev_get_drvdata(ctx->jrdev->parent);
|
|
|
|
if (!ctx->cdata.keylen || !ctx->authsize)
|
|
return 0;
|
|
|
|
/*
|
|
* AES-CTR needs to load IV in CONTEXT1 reg
|
|
* at an offset of 128bits (16bytes)
|
|
* CONTEXT1[255:128] = IV
|
|
*/
|
|
if (ctr_mode)
|
|
ctx1_iv_off = 16;
|
|
|
|
/*
|
|
* RFC3686 specific:
|
|
* CONTEXT1[255:128] = {NONCE, IV, COUNTER}
|
|
*/
|
|
if (is_rfc3686) {
|
|
ctx1_iv_off = 16 + CTR_RFC3686_NONCE_SIZE;
|
|
nonce = (u32 *)((void *)ctx->key + ctx->adata.keylen_pad +
|
|
ctx->cdata.keylen - CTR_RFC3686_NONCE_SIZE);
|
|
}
|
|
|
|
data_len[0] = ctx->adata.keylen_pad;
|
|
data_len[1] = ctx->cdata.keylen;
|
|
|
|
if (alg->caam.geniv)
|
|
goto skip_enc;
|
|
|
|
/* aead_encrypt shared descriptor */
|
|
if (desc_inline_query(DESC_QI_AEAD_ENC_LEN +
|
|
(is_rfc3686 ? DESC_AEAD_CTR_RFC3686_LEN : 0),
|
|
DESC_JOB_IO_LEN, data_len, &inl_mask,
|
|
ARRAY_SIZE(data_len)) < 0)
|
|
return -EINVAL;
|
|
|
|
if (inl_mask & 1)
|
|
ctx->adata.key_virt = ctx->key;
|
|
else
|
|
ctx->adata.key_dma = ctx->key_dma;
|
|
|
|
if (inl_mask & 2)
|
|
ctx->cdata.key_virt = ctx->key + ctx->adata.keylen_pad;
|
|
else
|
|
ctx->cdata.key_dma = ctx->key_dma + ctx->adata.keylen_pad;
|
|
|
|
ctx->adata.key_inline = !!(inl_mask & 1);
|
|
ctx->cdata.key_inline = !!(inl_mask & 2);
|
|
|
|
cnstr_shdsc_aead_encap(ctx->sh_desc_enc, &ctx->cdata, &ctx->adata,
|
|
ivsize, ctx->authsize, is_rfc3686, nonce,
|
|
ctx1_iv_off, true, ctrlpriv->era);
|
|
|
|
skip_enc:
|
|
/* aead_decrypt shared descriptor */
|
|
if (desc_inline_query(DESC_QI_AEAD_DEC_LEN +
|
|
(is_rfc3686 ? DESC_AEAD_CTR_RFC3686_LEN : 0),
|
|
DESC_JOB_IO_LEN, data_len, &inl_mask,
|
|
ARRAY_SIZE(data_len)) < 0)
|
|
return -EINVAL;
|
|
|
|
if (inl_mask & 1)
|
|
ctx->adata.key_virt = ctx->key;
|
|
else
|
|
ctx->adata.key_dma = ctx->key_dma;
|
|
|
|
if (inl_mask & 2)
|
|
ctx->cdata.key_virt = ctx->key + ctx->adata.keylen_pad;
|
|
else
|
|
ctx->cdata.key_dma = ctx->key_dma + ctx->adata.keylen_pad;
|
|
|
|
ctx->adata.key_inline = !!(inl_mask & 1);
|
|
ctx->cdata.key_inline = !!(inl_mask & 2);
|
|
|
|
cnstr_shdsc_aead_decap(ctx->sh_desc_dec, &ctx->cdata, &ctx->adata,
|
|
ivsize, ctx->authsize, alg->caam.geniv,
|
|
is_rfc3686, nonce, ctx1_iv_off, true,
|
|
ctrlpriv->era);
|
|
|
|
if (!alg->caam.geniv)
|
|
goto skip_givenc;
|
|
|
|
/* aead_givencrypt shared descriptor */
|
|
if (desc_inline_query(DESC_QI_AEAD_GIVENC_LEN +
|
|
(is_rfc3686 ? DESC_AEAD_CTR_RFC3686_LEN : 0),
|
|
DESC_JOB_IO_LEN, data_len, &inl_mask,
|
|
ARRAY_SIZE(data_len)) < 0)
|
|
return -EINVAL;
|
|
|
|
if (inl_mask & 1)
|
|
ctx->adata.key_virt = ctx->key;
|
|
else
|
|
ctx->adata.key_dma = ctx->key_dma;
|
|
|
|
if (inl_mask & 2)
|
|
ctx->cdata.key_virt = ctx->key + ctx->adata.keylen_pad;
|
|
else
|
|
ctx->cdata.key_dma = ctx->key_dma + ctx->adata.keylen_pad;
|
|
|
|
ctx->adata.key_inline = !!(inl_mask & 1);
|
|
ctx->cdata.key_inline = !!(inl_mask & 2);
|
|
|
|
cnstr_shdsc_aead_givencap(ctx->sh_desc_enc, &ctx->cdata, &ctx->adata,
|
|
ivsize, ctx->authsize, is_rfc3686, nonce,
|
|
ctx1_iv_off, true, ctrlpriv->era);
|
|
|
|
skip_givenc:
|
|
return 0;
|
|
}
|
|
|
|
static int aead_setauthsize(struct crypto_aead *authenc, unsigned int authsize)
|
|
{
|
|
struct caam_ctx *ctx = crypto_aead_ctx(authenc);
|
|
|
|
ctx->authsize = authsize;
|
|
aead_set_sh_desc(authenc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int aead_setkey(struct crypto_aead *aead, const u8 *key,
|
|
unsigned int keylen)
|
|
{
|
|
struct caam_ctx *ctx = crypto_aead_ctx(aead);
|
|
struct device *jrdev = ctx->jrdev;
|
|
struct caam_drv_private *ctrlpriv = dev_get_drvdata(jrdev->parent);
|
|
struct crypto_authenc_keys keys;
|
|
int ret = 0;
|
|
|
|
if (crypto_authenc_extractkeys(&keys, key, keylen) != 0)
|
|
goto badkey;
|
|
|
|
#ifdef DEBUG
|
|
dev_err(jrdev, "keylen %d enckeylen %d authkeylen %d\n",
|
|
keys.authkeylen + keys.enckeylen, keys.enckeylen,
|
|
keys.authkeylen);
|
|
print_hex_dump(KERN_ERR, "key in @" __stringify(__LINE__)": ",
|
|
DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);
|
|
#endif
|
|
|
|
/*
|
|
* If DKP is supported, use it in the shared descriptor to generate
|
|
* the split key.
|
|
*/
|
|
if (ctrlpriv->era >= 6) {
|
|
ctx->adata.keylen = keys.authkeylen;
|
|
ctx->adata.keylen_pad = split_key_len(ctx->adata.algtype &
|
|
OP_ALG_ALGSEL_MASK);
|
|
|
|
if (ctx->adata.keylen_pad + keys.enckeylen > CAAM_MAX_KEY_SIZE)
|
|
goto badkey;
|
|
|
|
memcpy(ctx->key, keys.authkey, keys.authkeylen);
|
|
memcpy(ctx->key + ctx->adata.keylen_pad, keys.enckey,
|
|
keys.enckeylen);
|
|
dma_sync_single_for_device(jrdev, ctx->key_dma,
|
|
ctx->adata.keylen_pad +
|
|
keys.enckeylen, ctx->dir);
|
|
goto skip_split_key;
|
|
}
|
|
|
|
ret = gen_split_key(jrdev, ctx->key, &ctx->adata, keys.authkey,
|
|
keys.authkeylen, CAAM_MAX_KEY_SIZE -
|
|
keys.enckeylen);
|
|
if (ret)
|
|
goto badkey;
|
|
|
|
/* postpend encryption key to auth split key */
|
|
memcpy(ctx->key + ctx->adata.keylen_pad, keys.enckey, keys.enckeylen);
|
|
dma_sync_single_for_device(jrdev, ctx->key_dma, ctx->adata.keylen_pad +
|
|
keys.enckeylen, ctx->dir);
|
|
#ifdef DEBUG
|
|
print_hex_dump(KERN_ERR, "ctx.key@" __stringify(__LINE__)": ",
|
|
DUMP_PREFIX_ADDRESS, 16, 4, ctx->key,
|
|
ctx->adata.keylen_pad + keys.enckeylen, 1);
|
|
#endif
|
|
|
|
skip_split_key:
|
|
ctx->cdata.keylen = keys.enckeylen;
|
|
|
|
ret = aead_set_sh_desc(aead);
|
|
if (ret)
|
|
goto badkey;
|
|
|
|
/* Now update the driver contexts with the new shared descriptor */
|
|
if (ctx->drv_ctx[ENCRYPT]) {
|
|
ret = caam_drv_ctx_update(ctx->drv_ctx[ENCRYPT],
|
|
ctx->sh_desc_enc);
|
|
if (ret) {
|
|
dev_err(jrdev, "driver enc context update failed\n");
|
|
goto badkey;
|
|
}
|
|
}
|
|
|
|
if (ctx->drv_ctx[DECRYPT]) {
|
|
ret = caam_drv_ctx_update(ctx->drv_ctx[DECRYPT],
|
|
ctx->sh_desc_dec);
|
|
if (ret) {
|
|
dev_err(jrdev, "driver dec context update failed\n");
|
|
goto badkey;
|
|
}
|
|
}
|
|
|
|
memzero_explicit(&keys, sizeof(keys));
|
|
return ret;
|
|
badkey:
|
|
crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);
|
|
memzero_explicit(&keys, sizeof(keys));
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int des3_aead_setkey(struct crypto_aead *aead, const u8 *key,
|
|
unsigned int keylen)
|
|
{
|
|
struct crypto_authenc_keys keys;
|
|
u32 flags;
|
|
int err;
|
|
|
|
err = crypto_authenc_extractkeys(&keys, key, keylen);
|
|
if (unlikely(err))
|
|
goto badkey;
|
|
|
|
err = -EINVAL;
|
|
if (keys.enckeylen != DES3_EDE_KEY_SIZE)
|
|
goto badkey;
|
|
|
|
flags = crypto_aead_get_flags(aead);
|
|
err = __des3_verify_key(&flags, keys.enckey);
|
|
if (unlikely(err)) {
|
|
crypto_aead_set_flags(aead, flags);
|
|
goto out;
|
|
}
|
|
|
|
err = aead_setkey(aead, key, keylen);
|
|
|
|
out:
|
|
memzero_explicit(&keys, sizeof(keys));
|
|
return err;
|
|
|
|
badkey:
|
|
crypto_aead_set_flags(aead, CRYPTO_TFM_RES_BAD_KEY_LEN);
|
|
goto out;
|
|
}
|
|
|
|
static int gcm_set_sh_desc(struct crypto_aead *aead)
|
|
{
|
|
struct caam_ctx *ctx = crypto_aead_ctx(aead);
|
|
unsigned int ivsize = crypto_aead_ivsize(aead);
|
|
int rem_bytes = CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN -
|
|
ctx->cdata.keylen;
|
|
|
|
if (!ctx->cdata.keylen || !ctx->authsize)
|
|
return 0;
|
|
|
|
/*
|
|
* Job Descriptor and Shared Descriptor
|
|
* must fit into the 64-word Descriptor h/w Buffer
|
|
*/
|
|
if (rem_bytes >= DESC_QI_GCM_ENC_LEN) {
|
|
ctx->cdata.key_inline = true;
|
|
ctx->cdata.key_virt = ctx->key;
|
|
} else {
|
|
ctx->cdata.key_inline = false;
|
|
ctx->cdata.key_dma = ctx->key_dma;
|
|
}
|
|
|
|
cnstr_shdsc_gcm_encap(ctx->sh_desc_enc, &ctx->cdata, ivsize,
|
|
ctx->authsize, true);
|
|
|
|
/*
|
|
* Job Descriptor and Shared Descriptor
|
|
* must fit into the 64-word Descriptor h/w Buffer
|
|
*/
|
|
if (rem_bytes >= DESC_QI_GCM_DEC_LEN) {
|
|
ctx->cdata.key_inline = true;
|
|
ctx->cdata.key_virt = ctx->key;
|
|
} else {
|
|
ctx->cdata.key_inline = false;
|
|
ctx->cdata.key_dma = ctx->key_dma;
|
|
}
|
|
|
|
cnstr_shdsc_gcm_decap(ctx->sh_desc_dec, &ctx->cdata, ivsize,
|
|
ctx->authsize, true);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gcm_setauthsize(struct crypto_aead *authenc, unsigned int authsize)
|
|
{
|
|
struct caam_ctx *ctx = crypto_aead_ctx(authenc);
|
|
|
|
ctx->authsize = authsize;
|
|
gcm_set_sh_desc(authenc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gcm_setkey(struct crypto_aead *aead,
|
|
const u8 *key, unsigned int keylen)
|
|
{
|
|
struct caam_ctx *ctx = crypto_aead_ctx(aead);
|
|
struct device *jrdev = ctx->jrdev;
|
|
int ret;
|
|
|
|
#ifdef DEBUG
|
|
print_hex_dump(KERN_ERR, "key in @" __stringify(__LINE__)": ",
|
|
DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);
|
|
#endif
|
|
|
|
memcpy(ctx->key, key, keylen);
|
|
dma_sync_single_for_device(jrdev, ctx->key_dma, keylen, ctx->dir);
|
|
ctx->cdata.keylen = keylen;
|
|
|
|
ret = gcm_set_sh_desc(aead);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* Now update the driver contexts with the new shared descriptor */
|
|
if (ctx->drv_ctx[ENCRYPT]) {
|
|
ret = caam_drv_ctx_update(ctx->drv_ctx[ENCRYPT],
|
|
ctx->sh_desc_enc);
|
|
if (ret) {
|
|
dev_err(jrdev, "driver enc context update failed\n");
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
if (ctx->drv_ctx[DECRYPT]) {
|
|
ret = caam_drv_ctx_update(ctx->drv_ctx[DECRYPT],
|
|
ctx->sh_desc_dec);
|
|
if (ret) {
|
|
dev_err(jrdev, "driver dec context update failed\n");
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rfc4106_set_sh_desc(struct crypto_aead *aead)
|
|
{
|
|
struct caam_ctx *ctx = crypto_aead_ctx(aead);
|
|
unsigned int ivsize = crypto_aead_ivsize(aead);
|
|
int rem_bytes = CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN -
|
|
ctx->cdata.keylen;
|
|
|
|
if (!ctx->cdata.keylen || !ctx->authsize)
|
|
return 0;
|
|
|
|
ctx->cdata.key_virt = ctx->key;
|
|
|
|
/*
|
|
* Job Descriptor and Shared Descriptor
|
|
* must fit into the 64-word Descriptor h/w Buffer
|
|
*/
|
|
if (rem_bytes >= DESC_QI_RFC4106_ENC_LEN) {
|
|
ctx->cdata.key_inline = true;
|
|
} else {
|
|
ctx->cdata.key_inline = false;
|
|
ctx->cdata.key_dma = ctx->key_dma;
|
|
}
|
|
|
|
cnstr_shdsc_rfc4106_encap(ctx->sh_desc_enc, &ctx->cdata, ivsize,
|
|
ctx->authsize, true);
|
|
|
|
/*
|
|
* Job Descriptor and Shared Descriptor
|
|
* must fit into the 64-word Descriptor h/w Buffer
|
|
*/
|
|
if (rem_bytes >= DESC_QI_RFC4106_DEC_LEN) {
|
|
ctx->cdata.key_inline = true;
|
|
} else {
|
|
ctx->cdata.key_inline = false;
|
|
ctx->cdata.key_dma = ctx->key_dma;
|
|
}
|
|
|
|
cnstr_shdsc_rfc4106_decap(ctx->sh_desc_dec, &ctx->cdata, ivsize,
|
|
ctx->authsize, true);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rfc4106_setauthsize(struct crypto_aead *authenc,
|
|
unsigned int authsize)
|
|
{
|
|
struct caam_ctx *ctx = crypto_aead_ctx(authenc);
|
|
|
|
ctx->authsize = authsize;
|
|
rfc4106_set_sh_desc(authenc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rfc4106_setkey(struct crypto_aead *aead,
|
|
const u8 *key, unsigned int keylen)
|
|
{
|
|
struct caam_ctx *ctx = crypto_aead_ctx(aead);
|
|
struct device *jrdev = ctx->jrdev;
|
|
int ret;
|
|
|
|
if (keylen < 4)
|
|
return -EINVAL;
|
|
|
|
#ifdef DEBUG
|
|
print_hex_dump(KERN_ERR, "key in @" __stringify(__LINE__)": ",
|
|
DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);
|
|
#endif
|
|
|
|
memcpy(ctx->key, key, keylen);
|
|
/*
|
|
* The last four bytes of the key material are used as the salt value
|
|
* in the nonce. Update the AES key length.
|
|
*/
|
|
ctx->cdata.keylen = keylen - 4;
|
|
dma_sync_single_for_device(jrdev, ctx->key_dma, ctx->cdata.keylen,
|
|
ctx->dir);
|
|
|
|
ret = rfc4106_set_sh_desc(aead);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* Now update the driver contexts with the new shared descriptor */
|
|
if (ctx->drv_ctx[ENCRYPT]) {
|
|
ret = caam_drv_ctx_update(ctx->drv_ctx[ENCRYPT],
|
|
ctx->sh_desc_enc);
|
|
if (ret) {
|
|
dev_err(jrdev, "driver enc context update failed\n");
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
if (ctx->drv_ctx[DECRYPT]) {
|
|
ret = caam_drv_ctx_update(ctx->drv_ctx[DECRYPT],
|
|
ctx->sh_desc_dec);
|
|
if (ret) {
|
|
dev_err(jrdev, "driver dec context update failed\n");
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rfc4543_set_sh_desc(struct crypto_aead *aead)
|
|
{
|
|
struct caam_ctx *ctx = crypto_aead_ctx(aead);
|
|
unsigned int ivsize = crypto_aead_ivsize(aead);
|
|
int rem_bytes = CAAM_DESC_BYTES_MAX - DESC_JOB_IO_LEN -
|
|
ctx->cdata.keylen;
|
|
|
|
if (!ctx->cdata.keylen || !ctx->authsize)
|
|
return 0;
|
|
|
|
ctx->cdata.key_virt = ctx->key;
|
|
|
|
/*
|
|
* Job Descriptor and Shared Descriptor
|
|
* must fit into the 64-word Descriptor h/w Buffer
|
|
*/
|
|
if (rem_bytes >= DESC_QI_RFC4543_ENC_LEN) {
|
|
ctx->cdata.key_inline = true;
|
|
} else {
|
|
ctx->cdata.key_inline = false;
|
|
ctx->cdata.key_dma = ctx->key_dma;
|
|
}
|
|
|
|
cnstr_shdsc_rfc4543_encap(ctx->sh_desc_enc, &ctx->cdata, ivsize,
|
|
ctx->authsize, true);
|
|
|
|
/*
|
|
* Job Descriptor and Shared Descriptor
|
|
* must fit into the 64-word Descriptor h/w Buffer
|
|
*/
|
|
if (rem_bytes >= DESC_QI_RFC4543_DEC_LEN) {
|
|
ctx->cdata.key_inline = true;
|
|
} else {
|
|
ctx->cdata.key_inline = false;
|
|
ctx->cdata.key_dma = ctx->key_dma;
|
|
}
|
|
|
|
cnstr_shdsc_rfc4543_decap(ctx->sh_desc_dec, &ctx->cdata, ivsize,
|
|
ctx->authsize, true);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rfc4543_setauthsize(struct crypto_aead *authenc,
|
|
unsigned int authsize)
|
|
{
|
|
struct caam_ctx *ctx = crypto_aead_ctx(authenc);
|
|
|
|
ctx->authsize = authsize;
|
|
rfc4543_set_sh_desc(authenc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rfc4543_setkey(struct crypto_aead *aead,
|
|
const u8 *key, unsigned int keylen)
|
|
{
|
|
struct caam_ctx *ctx = crypto_aead_ctx(aead);
|
|
struct device *jrdev = ctx->jrdev;
|
|
int ret;
|
|
|
|
if (keylen < 4)
|
|
return -EINVAL;
|
|
|
|
#ifdef DEBUG
|
|
print_hex_dump(KERN_ERR, "key in @" __stringify(__LINE__)": ",
|
|
DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);
|
|
#endif
|
|
|
|
memcpy(ctx->key, key, keylen);
|
|
/*
|
|
* The last four bytes of the key material are used as the salt value
|
|
* in the nonce. Update the AES key length.
|
|
*/
|
|
ctx->cdata.keylen = keylen - 4;
|
|
dma_sync_single_for_device(jrdev, ctx->key_dma, ctx->cdata.keylen,
|
|
ctx->dir);
|
|
|
|
ret = rfc4543_set_sh_desc(aead);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* Now update the driver contexts with the new shared descriptor */
|
|
if (ctx->drv_ctx[ENCRYPT]) {
|
|
ret = caam_drv_ctx_update(ctx->drv_ctx[ENCRYPT],
|
|
ctx->sh_desc_enc);
|
|
if (ret) {
|
|
dev_err(jrdev, "driver enc context update failed\n");
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
if (ctx->drv_ctx[DECRYPT]) {
|
|
ret = caam_drv_ctx_update(ctx->drv_ctx[DECRYPT],
|
|
ctx->sh_desc_dec);
|
|
if (ret) {
|
|
dev_err(jrdev, "driver dec context update failed\n");
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key,
|
|
unsigned int keylen)
|
|
{
|
|
struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher);
|
|
struct caam_skcipher_alg *alg =
|
|
container_of(crypto_skcipher_alg(skcipher), typeof(*alg),
|
|
skcipher);
|
|
struct device *jrdev = ctx->jrdev;
|
|
unsigned int ivsize = crypto_skcipher_ivsize(skcipher);
|
|
u32 ctx1_iv_off = 0;
|
|
const bool ctr_mode = ((ctx->cdata.algtype & OP_ALG_AAI_MASK) ==
|
|
OP_ALG_AAI_CTR_MOD128);
|
|
const bool is_rfc3686 = alg->caam.rfc3686;
|
|
int ret = 0;
|
|
|
|
#ifdef DEBUG
|
|
print_hex_dump(KERN_ERR, "key in @" __stringify(__LINE__)": ",
|
|
DUMP_PREFIX_ADDRESS, 16, 4, key, keylen, 1);
|
|
#endif
|
|
/*
|
|
* AES-CTR needs to load IV in CONTEXT1 reg
|
|
* at an offset of 128bits (16bytes)
|
|
* CONTEXT1[255:128] = IV
|
|
*/
|
|
if (ctr_mode)
|
|
ctx1_iv_off = 16;
|
|
|
|
/*
|
|
* RFC3686 specific:
|
|
* | CONTEXT1[255:128] = {NONCE, IV, COUNTER}
|
|
* | *key = {KEY, NONCE}
|
|
*/
|
|
if (is_rfc3686) {
|
|
ctx1_iv_off = 16 + CTR_RFC3686_NONCE_SIZE;
|
|
keylen -= CTR_RFC3686_NONCE_SIZE;
|
|
}
|
|
|
|
ctx->cdata.keylen = keylen;
|
|
ctx->cdata.key_virt = key;
|
|
ctx->cdata.key_inline = true;
|
|
|
|
/* skcipher encrypt, decrypt shared descriptors */
|
|
cnstr_shdsc_skcipher_encap(ctx->sh_desc_enc, &ctx->cdata, ivsize,
|
|
is_rfc3686, ctx1_iv_off);
|
|
cnstr_shdsc_skcipher_decap(ctx->sh_desc_dec, &ctx->cdata, ivsize,
|
|
is_rfc3686, ctx1_iv_off);
|
|
|
|
/* Now update the driver contexts with the new shared descriptor */
|
|
if (ctx->drv_ctx[ENCRYPT]) {
|
|
ret = caam_drv_ctx_update(ctx->drv_ctx[ENCRYPT],
|
|
ctx->sh_desc_enc);
|
|
if (ret) {
|
|
dev_err(jrdev, "driver enc context update failed\n");
|
|
goto badkey;
|
|
}
|
|
}
|
|
|
|
if (ctx->drv_ctx[DECRYPT]) {
|
|
ret = caam_drv_ctx_update(ctx->drv_ctx[DECRYPT],
|
|
ctx->sh_desc_dec);
|
|
if (ret) {
|
|
dev_err(jrdev, "driver dec context update failed\n");
|
|
goto badkey;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
badkey:
|
|
crypto_skcipher_set_flags(skcipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int des3_skcipher_setkey(struct crypto_skcipher *skcipher,
|
|
const u8 *key, unsigned int keylen)
|
|
{
|
|
return unlikely(des3_verify_key(skcipher, key)) ?:
|
|
skcipher_setkey(skcipher, key, keylen);
|
|
}
|
|
|
|
static int xts_skcipher_setkey(struct crypto_skcipher *skcipher, const u8 *key,
|
|
unsigned int keylen)
|
|
{
|
|
struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher);
|
|
struct device *jrdev = ctx->jrdev;
|
|
int ret = 0;
|
|
|
|
if (keylen != 2 * AES_MIN_KEY_SIZE && keylen != 2 * AES_MAX_KEY_SIZE) {
|
|
dev_err(jrdev, "key size mismatch\n");
|
|
goto badkey;
|
|
}
|
|
|
|
ctx->cdata.keylen = keylen;
|
|
ctx->cdata.key_virt = key;
|
|
ctx->cdata.key_inline = true;
|
|
|
|
/* xts skcipher encrypt, decrypt shared descriptors */
|
|
cnstr_shdsc_xts_skcipher_encap(ctx->sh_desc_enc, &ctx->cdata);
|
|
cnstr_shdsc_xts_skcipher_decap(ctx->sh_desc_dec, &ctx->cdata);
|
|
|
|
/* Now update the driver contexts with the new shared descriptor */
|
|
if (ctx->drv_ctx[ENCRYPT]) {
|
|
ret = caam_drv_ctx_update(ctx->drv_ctx[ENCRYPT],
|
|
ctx->sh_desc_enc);
|
|
if (ret) {
|
|
dev_err(jrdev, "driver enc context update failed\n");
|
|
goto badkey;
|
|
}
|
|
}
|
|
|
|
if (ctx->drv_ctx[DECRYPT]) {
|
|
ret = caam_drv_ctx_update(ctx->drv_ctx[DECRYPT],
|
|
ctx->sh_desc_dec);
|
|
if (ret) {
|
|
dev_err(jrdev, "driver dec context update failed\n");
|
|
goto badkey;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
badkey:
|
|
crypto_skcipher_set_flags(skcipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/*
|
|
* aead_edesc - s/w-extended aead descriptor
|
|
* @src_nents: number of segments in input scatterlist
|
|
* @dst_nents: number of segments in output scatterlist
|
|
* @iv_dma: dma address of iv for checking continuity and link table
|
|
* @qm_sg_bytes: length of dma mapped h/w link table
|
|
* @qm_sg_dma: bus physical mapped address of h/w link table
|
|
* @assoclen: associated data length, in CAAM endianness
|
|
* @assoclen_dma: bus physical mapped address of req->assoclen
|
|
* @drv_req: driver-specific request structure
|
|
* @sgt: the h/w link table, followed by IV
|
|
*/
|
|
struct aead_edesc {
|
|
int src_nents;
|
|
int dst_nents;
|
|
dma_addr_t iv_dma;
|
|
int qm_sg_bytes;
|
|
dma_addr_t qm_sg_dma;
|
|
unsigned int assoclen;
|
|
dma_addr_t assoclen_dma;
|
|
struct caam_drv_req drv_req;
|
|
struct qm_sg_entry sgt[0];
|
|
};
|
|
|
|
/*
|
|
* skcipher_edesc - s/w-extended skcipher descriptor
|
|
* @src_nents: number of segments in input scatterlist
|
|
* @dst_nents: number of segments in output scatterlist
|
|
* @iv_dma: dma address of iv for checking continuity and link table
|
|
* @qm_sg_bytes: length of dma mapped h/w link table
|
|
* @qm_sg_dma: bus physical mapped address of h/w link table
|
|
* @drv_req: driver-specific request structure
|
|
* @sgt: the h/w link table, followed by IV
|
|
*/
|
|
struct skcipher_edesc {
|
|
int src_nents;
|
|
int dst_nents;
|
|
dma_addr_t iv_dma;
|
|
int qm_sg_bytes;
|
|
dma_addr_t qm_sg_dma;
|
|
struct caam_drv_req drv_req;
|
|
struct qm_sg_entry sgt[0];
|
|
};
|
|
|
|
static struct caam_drv_ctx *get_drv_ctx(struct caam_ctx *ctx,
|
|
enum optype type)
|
|
{
|
|
/*
|
|
* This function is called on the fast path with values of 'type'
|
|
* known at compile time. Invalid arguments are not expected and
|
|
* thus no checks are made.
|
|
*/
|
|
struct caam_drv_ctx *drv_ctx = ctx->drv_ctx[type];
|
|
u32 *desc;
|
|
|
|
if (unlikely(!drv_ctx)) {
|
|
spin_lock(&ctx->lock);
|
|
|
|
/* Read again to check if some other core init drv_ctx */
|
|
drv_ctx = ctx->drv_ctx[type];
|
|
if (!drv_ctx) {
|
|
int cpu;
|
|
|
|
if (type == ENCRYPT)
|
|
desc = ctx->sh_desc_enc;
|
|
else /* (type == DECRYPT) */
|
|
desc = ctx->sh_desc_dec;
|
|
|
|
cpu = smp_processor_id();
|
|
drv_ctx = caam_drv_ctx_init(ctx->qidev, &cpu, desc);
|
|
if (!IS_ERR_OR_NULL(drv_ctx))
|
|
drv_ctx->op_type = type;
|
|
|
|
ctx->drv_ctx[type] = drv_ctx;
|
|
}
|
|
|
|
spin_unlock(&ctx->lock);
|
|
}
|
|
|
|
return drv_ctx;
|
|
}
|
|
|
|
static void caam_unmap(struct device *dev, struct scatterlist *src,
|
|
struct scatterlist *dst, int src_nents,
|
|
int dst_nents, dma_addr_t iv_dma, int ivsize,
|
|
dma_addr_t qm_sg_dma, int qm_sg_bytes)
|
|
{
|
|
if (dst != src) {
|
|
if (src_nents)
|
|
dma_unmap_sg(dev, src, src_nents, DMA_TO_DEVICE);
|
|
if (dst_nents)
|
|
dma_unmap_sg(dev, dst, dst_nents, DMA_FROM_DEVICE);
|
|
} else {
|
|
dma_unmap_sg(dev, src, src_nents, DMA_BIDIRECTIONAL);
|
|
}
|
|
|
|
if (iv_dma)
|
|
dma_unmap_single(dev, iv_dma, ivsize, DMA_TO_DEVICE);
|
|
if (qm_sg_bytes)
|
|
dma_unmap_single(dev, qm_sg_dma, qm_sg_bytes, DMA_TO_DEVICE);
|
|
}
|
|
|
|
static void aead_unmap(struct device *dev,
|
|
struct aead_edesc *edesc,
|
|
struct aead_request *req)
|
|
{
|
|
struct crypto_aead *aead = crypto_aead_reqtfm(req);
|
|
int ivsize = crypto_aead_ivsize(aead);
|
|
|
|
caam_unmap(dev, req->src, req->dst, edesc->src_nents, edesc->dst_nents,
|
|
edesc->iv_dma, ivsize, edesc->qm_sg_dma, edesc->qm_sg_bytes);
|
|
dma_unmap_single(dev, edesc->assoclen_dma, 4, DMA_TO_DEVICE);
|
|
}
|
|
|
|
static void skcipher_unmap(struct device *dev, struct skcipher_edesc *edesc,
|
|
struct skcipher_request *req)
|
|
{
|
|
struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
|
|
int ivsize = crypto_skcipher_ivsize(skcipher);
|
|
|
|
caam_unmap(dev, req->src, req->dst, edesc->src_nents, edesc->dst_nents,
|
|
edesc->iv_dma, ivsize, edesc->qm_sg_dma, edesc->qm_sg_bytes);
|
|
}
|
|
|
|
static void aead_done(struct caam_drv_req *drv_req, u32 status)
|
|
{
|
|
struct device *qidev;
|
|
struct aead_edesc *edesc;
|
|
struct aead_request *aead_req = drv_req->app_ctx;
|
|
struct crypto_aead *aead = crypto_aead_reqtfm(aead_req);
|
|
struct caam_ctx *caam_ctx = crypto_aead_ctx(aead);
|
|
int ecode = 0;
|
|
|
|
qidev = caam_ctx->qidev;
|
|
|
|
if (unlikely(status)) {
|
|
u32 ssrc = status & JRSTA_SSRC_MASK;
|
|
u8 err_id = status & JRSTA_CCBERR_ERRID_MASK;
|
|
|
|
caam_jr_strstatus(qidev, status);
|
|
/*
|
|
* verify hw auth check passed else return -EBADMSG
|
|
*/
|
|
if (ssrc == JRSTA_SSRC_CCB_ERROR &&
|
|
err_id == JRSTA_CCBERR_ERRID_ICVCHK)
|
|
ecode = -EBADMSG;
|
|
else
|
|
ecode = -EIO;
|
|
}
|
|
|
|
edesc = container_of(drv_req, typeof(*edesc), drv_req);
|
|
aead_unmap(qidev, edesc, aead_req);
|
|
|
|
aead_request_complete(aead_req, ecode);
|
|
qi_cache_free(edesc);
|
|
}
|
|
|
|
/*
|
|
* allocate and map the aead extended descriptor
|
|
*/
|
|
static struct aead_edesc *aead_edesc_alloc(struct aead_request *req,
|
|
bool encrypt)
|
|
{
|
|
struct crypto_aead *aead = crypto_aead_reqtfm(req);
|
|
struct caam_ctx *ctx = crypto_aead_ctx(aead);
|
|
struct caam_aead_alg *alg = container_of(crypto_aead_alg(aead),
|
|
typeof(*alg), aead);
|
|
struct device *qidev = ctx->qidev;
|
|
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
|
|
GFP_KERNEL : GFP_ATOMIC;
|
|
int src_nents, mapped_src_nents, dst_nents = 0, mapped_dst_nents = 0;
|
|
struct aead_edesc *edesc;
|
|
dma_addr_t qm_sg_dma, iv_dma = 0;
|
|
int ivsize = 0;
|
|
unsigned int authsize = ctx->authsize;
|
|
int qm_sg_index = 0, qm_sg_ents = 0, qm_sg_bytes;
|
|
int in_len, out_len;
|
|
struct qm_sg_entry *sg_table, *fd_sgt;
|
|
struct caam_drv_ctx *drv_ctx;
|
|
|
|
drv_ctx = get_drv_ctx(ctx, encrypt ? ENCRYPT : DECRYPT);
|
|
if (IS_ERR_OR_NULL(drv_ctx))
|
|
return (struct aead_edesc *)drv_ctx;
|
|
|
|
/* allocate space for base edesc and hw desc commands, link tables */
|
|
edesc = qi_cache_alloc(GFP_DMA | flags);
|
|
if (unlikely(!edesc)) {
|
|
dev_err(qidev, "could not allocate extended descriptor\n");
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
|
|
if (likely(req->src == req->dst)) {
|
|
src_nents = sg_nents_for_len(req->src, req->assoclen +
|
|
req->cryptlen +
|
|
(encrypt ? authsize : 0));
|
|
if (unlikely(src_nents < 0)) {
|
|
dev_err(qidev, "Insufficient bytes (%d) in src S/G\n",
|
|
req->assoclen + req->cryptlen +
|
|
(encrypt ? authsize : 0));
|
|
qi_cache_free(edesc);
|
|
return ERR_PTR(src_nents);
|
|
}
|
|
|
|
mapped_src_nents = dma_map_sg(qidev, req->src, src_nents,
|
|
DMA_BIDIRECTIONAL);
|
|
if (unlikely(!mapped_src_nents)) {
|
|
dev_err(qidev, "unable to map source\n");
|
|
qi_cache_free(edesc);
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
} else {
|
|
src_nents = sg_nents_for_len(req->src, req->assoclen +
|
|
req->cryptlen);
|
|
if (unlikely(src_nents < 0)) {
|
|
dev_err(qidev, "Insufficient bytes (%d) in src S/G\n",
|
|
req->assoclen + req->cryptlen);
|
|
qi_cache_free(edesc);
|
|
return ERR_PTR(src_nents);
|
|
}
|
|
|
|
dst_nents = sg_nents_for_len(req->dst, req->assoclen +
|
|
req->cryptlen +
|
|
(encrypt ? authsize :
|
|
(-authsize)));
|
|
if (unlikely(dst_nents < 0)) {
|
|
dev_err(qidev, "Insufficient bytes (%d) in dst S/G\n",
|
|
req->assoclen + req->cryptlen +
|
|
(encrypt ? authsize : (-authsize)));
|
|
qi_cache_free(edesc);
|
|
return ERR_PTR(dst_nents);
|
|
}
|
|
|
|
if (src_nents) {
|
|
mapped_src_nents = dma_map_sg(qidev, req->src,
|
|
src_nents, DMA_TO_DEVICE);
|
|
if (unlikely(!mapped_src_nents)) {
|
|
dev_err(qidev, "unable to map source\n");
|
|
qi_cache_free(edesc);
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
} else {
|
|
mapped_src_nents = 0;
|
|
}
|
|
|
|
if (dst_nents) {
|
|
mapped_dst_nents = dma_map_sg(qidev, req->dst,
|
|
dst_nents,
|
|
DMA_FROM_DEVICE);
|
|
if (unlikely(!mapped_dst_nents)) {
|
|
dev_err(qidev, "unable to map destination\n");
|
|
dma_unmap_sg(qidev, req->src, src_nents,
|
|
DMA_TO_DEVICE);
|
|
qi_cache_free(edesc);
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
} else {
|
|
mapped_dst_nents = 0;
|
|
}
|
|
}
|
|
|
|
if ((alg->caam.rfc3686 && encrypt) || !alg->caam.geniv)
|
|
ivsize = crypto_aead_ivsize(aead);
|
|
|
|
/*
|
|
* Create S/G table: req->assoclen, [IV,] req->src [, req->dst].
|
|
* Input is not contiguous.
|
|
*/
|
|
qm_sg_ents = 1 + !!ivsize + mapped_src_nents +
|
|
(mapped_dst_nents > 1 ? mapped_dst_nents : 0);
|
|
sg_table = &edesc->sgt[0];
|
|
qm_sg_bytes = qm_sg_ents * sizeof(*sg_table);
|
|
if (unlikely(offsetof(struct aead_edesc, sgt) + qm_sg_bytes + ivsize >
|
|
CAAM_QI_MEMCACHE_SIZE)) {
|
|
dev_err(qidev, "No space for %d S/G entries and/or %dB IV\n",
|
|
qm_sg_ents, ivsize);
|
|
caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, 0,
|
|
0, 0, 0);
|
|
qi_cache_free(edesc);
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
|
|
if (ivsize) {
|
|
u8 *iv = (u8 *)(sg_table + qm_sg_ents);
|
|
|
|
/* Make sure IV is located in a DMAable area */
|
|
memcpy(iv, req->iv, ivsize);
|
|
|
|
iv_dma = dma_map_single(qidev, iv, ivsize, DMA_TO_DEVICE);
|
|
if (dma_mapping_error(qidev, iv_dma)) {
|
|
dev_err(qidev, "unable to map IV\n");
|
|
caam_unmap(qidev, req->src, req->dst, src_nents,
|
|
dst_nents, 0, 0, 0, 0);
|
|
qi_cache_free(edesc);
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
}
|
|
|
|
edesc->src_nents = src_nents;
|
|
edesc->dst_nents = dst_nents;
|
|
edesc->iv_dma = iv_dma;
|
|
edesc->drv_req.app_ctx = req;
|
|
edesc->drv_req.cbk = aead_done;
|
|
edesc->drv_req.drv_ctx = drv_ctx;
|
|
|
|
edesc->assoclen = cpu_to_caam32(req->assoclen);
|
|
edesc->assoclen_dma = dma_map_single(qidev, &edesc->assoclen, 4,
|
|
DMA_TO_DEVICE);
|
|
if (dma_mapping_error(qidev, edesc->assoclen_dma)) {
|
|
dev_err(qidev, "unable to map assoclen\n");
|
|
caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents,
|
|
iv_dma, ivsize, 0, 0);
|
|
qi_cache_free(edesc);
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
|
|
dma_to_qm_sg_one(sg_table, edesc->assoclen_dma, 4, 0);
|
|
qm_sg_index++;
|
|
if (ivsize) {
|
|
dma_to_qm_sg_one(sg_table + qm_sg_index, iv_dma, ivsize, 0);
|
|
qm_sg_index++;
|
|
}
|
|
sg_to_qm_sg_last(req->src, mapped_src_nents, sg_table + qm_sg_index, 0);
|
|
qm_sg_index += mapped_src_nents;
|
|
|
|
if (mapped_dst_nents > 1)
|
|
sg_to_qm_sg_last(req->dst, mapped_dst_nents, sg_table +
|
|
qm_sg_index, 0);
|
|
|
|
qm_sg_dma = dma_map_single(qidev, sg_table, qm_sg_bytes, DMA_TO_DEVICE);
|
|
if (dma_mapping_error(qidev, qm_sg_dma)) {
|
|
dev_err(qidev, "unable to map S/G table\n");
|
|
dma_unmap_single(qidev, edesc->assoclen_dma, 4, DMA_TO_DEVICE);
|
|
caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents,
|
|
iv_dma, ivsize, 0, 0);
|
|
qi_cache_free(edesc);
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
|
|
edesc->qm_sg_dma = qm_sg_dma;
|
|
edesc->qm_sg_bytes = qm_sg_bytes;
|
|
|
|
out_len = req->assoclen + req->cryptlen +
|
|
(encrypt ? ctx->authsize : (-ctx->authsize));
|
|
in_len = 4 + ivsize + req->assoclen + req->cryptlen;
|
|
|
|
fd_sgt = &edesc->drv_req.fd_sgt[0];
|
|
dma_to_qm_sg_one_last_ext(&fd_sgt[1], qm_sg_dma, in_len, 0);
|
|
|
|
if (req->dst == req->src) {
|
|
if (mapped_src_nents == 1)
|
|
dma_to_qm_sg_one(&fd_sgt[0], sg_dma_address(req->src),
|
|
out_len, 0);
|
|
else
|
|
dma_to_qm_sg_one_ext(&fd_sgt[0], qm_sg_dma +
|
|
(1 + !!ivsize) * sizeof(*sg_table),
|
|
out_len, 0);
|
|
} else if (mapped_dst_nents == 1) {
|
|
dma_to_qm_sg_one(&fd_sgt[0], sg_dma_address(req->dst), out_len,
|
|
0);
|
|
} else {
|
|
dma_to_qm_sg_one_ext(&fd_sgt[0], qm_sg_dma + sizeof(*sg_table) *
|
|
qm_sg_index, out_len, 0);
|
|
}
|
|
|
|
return edesc;
|
|
}
|
|
|
|
static inline int aead_crypt(struct aead_request *req, bool encrypt)
|
|
{
|
|
struct aead_edesc *edesc;
|
|
struct crypto_aead *aead = crypto_aead_reqtfm(req);
|
|
struct caam_ctx *ctx = crypto_aead_ctx(aead);
|
|
int ret;
|
|
|
|
if (unlikely(caam_congested))
|
|
return -EAGAIN;
|
|
|
|
/* allocate extended descriptor */
|
|
edesc = aead_edesc_alloc(req, encrypt);
|
|
if (IS_ERR_OR_NULL(edesc))
|
|
return PTR_ERR(edesc);
|
|
|
|
/* Create and submit job descriptor */
|
|
ret = caam_qi_enqueue(ctx->qidev, &edesc->drv_req);
|
|
if (!ret) {
|
|
ret = -EINPROGRESS;
|
|
} else {
|
|
aead_unmap(ctx->qidev, edesc, req);
|
|
qi_cache_free(edesc);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int aead_encrypt(struct aead_request *req)
|
|
{
|
|
return aead_crypt(req, true);
|
|
}
|
|
|
|
static int aead_decrypt(struct aead_request *req)
|
|
{
|
|
return aead_crypt(req, false);
|
|
}
|
|
|
|
static int ipsec_gcm_encrypt(struct aead_request *req)
|
|
{
|
|
if (req->assoclen < 8)
|
|
return -EINVAL;
|
|
|
|
return aead_crypt(req, true);
|
|
}
|
|
|
|
static int ipsec_gcm_decrypt(struct aead_request *req)
|
|
{
|
|
if (req->assoclen < 8)
|
|
return -EINVAL;
|
|
|
|
return aead_crypt(req, false);
|
|
}
|
|
|
|
static void skcipher_done(struct caam_drv_req *drv_req, u32 status)
|
|
{
|
|
struct skcipher_edesc *edesc;
|
|
struct skcipher_request *req = drv_req->app_ctx;
|
|
struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
|
|
struct caam_ctx *caam_ctx = crypto_skcipher_ctx(skcipher);
|
|
struct device *qidev = caam_ctx->qidev;
|
|
int ivsize = crypto_skcipher_ivsize(skcipher);
|
|
|
|
#ifdef DEBUG
|
|
dev_err(qidev, "%s %d: status 0x%x\n", __func__, __LINE__, status);
|
|
#endif
|
|
|
|
edesc = container_of(drv_req, typeof(*edesc), drv_req);
|
|
|
|
if (status)
|
|
caam_jr_strstatus(qidev, status);
|
|
|
|
#ifdef DEBUG
|
|
print_hex_dump(KERN_ERR, "dstiv @" __stringify(__LINE__)": ",
|
|
DUMP_PREFIX_ADDRESS, 16, 4, req->iv,
|
|
edesc->src_nents > 1 ? 100 : ivsize, 1);
|
|
caam_dump_sg(KERN_ERR, "dst @" __stringify(__LINE__)": ",
|
|
DUMP_PREFIX_ADDRESS, 16, 4, req->dst,
|
|
edesc->dst_nents > 1 ? 100 : req->cryptlen, 1);
|
|
#endif
|
|
|
|
skcipher_unmap(qidev, edesc, req);
|
|
|
|
/*
|
|
* The crypto API expects us to set the IV (req->iv) to the last
|
|
* ciphertext block. This is used e.g. by the CTS mode.
|
|
*/
|
|
if (edesc->drv_req.drv_ctx->op_type == ENCRYPT)
|
|
scatterwalk_map_and_copy(req->iv, req->dst, req->cryptlen -
|
|
ivsize, ivsize, 0);
|
|
|
|
qi_cache_free(edesc);
|
|
skcipher_request_complete(req, status);
|
|
}
|
|
|
|
static struct skcipher_edesc *skcipher_edesc_alloc(struct skcipher_request *req,
|
|
bool encrypt)
|
|
{
|
|
struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
|
|
struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher);
|
|
struct device *qidev = ctx->qidev;
|
|
gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
|
|
GFP_KERNEL : GFP_ATOMIC;
|
|
int src_nents, mapped_src_nents, dst_nents = 0, mapped_dst_nents = 0;
|
|
struct skcipher_edesc *edesc;
|
|
dma_addr_t iv_dma;
|
|
u8 *iv;
|
|
int ivsize = crypto_skcipher_ivsize(skcipher);
|
|
int dst_sg_idx, qm_sg_ents, qm_sg_bytes;
|
|
struct qm_sg_entry *sg_table, *fd_sgt;
|
|
struct caam_drv_ctx *drv_ctx;
|
|
|
|
drv_ctx = get_drv_ctx(ctx, encrypt ? ENCRYPT : DECRYPT);
|
|
if (IS_ERR_OR_NULL(drv_ctx))
|
|
return (struct skcipher_edesc *)drv_ctx;
|
|
|
|
src_nents = sg_nents_for_len(req->src, req->cryptlen);
|
|
if (unlikely(src_nents < 0)) {
|
|
dev_err(qidev, "Insufficient bytes (%d) in src S/G\n",
|
|
req->cryptlen);
|
|
return ERR_PTR(src_nents);
|
|
}
|
|
|
|
if (unlikely(req->src != req->dst)) {
|
|
dst_nents = sg_nents_for_len(req->dst, req->cryptlen);
|
|
if (unlikely(dst_nents < 0)) {
|
|
dev_err(qidev, "Insufficient bytes (%d) in dst S/G\n",
|
|
req->cryptlen);
|
|
return ERR_PTR(dst_nents);
|
|
}
|
|
|
|
mapped_src_nents = dma_map_sg(qidev, req->src, src_nents,
|
|
DMA_TO_DEVICE);
|
|
if (unlikely(!mapped_src_nents)) {
|
|
dev_err(qidev, "unable to map source\n");
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
|
|
mapped_dst_nents = dma_map_sg(qidev, req->dst, dst_nents,
|
|
DMA_FROM_DEVICE);
|
|
if (unlikely(!mapped_dst_nents)) {
|
|
dev_err(qidev, "unable to map destination\n");
|
|
dma_unmap_sg(qidev, req->src, src_nents, DMA_TO_DEVICE);
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
} else {
|
|
mapped_src_nents = dma_map_sg(qidev, req->src, src_nents,
|
|
DMA_BIDIRECTIONAL);
|
|
if (unlikely(!mapped_src_nents)) {
|
|
dev_err(qidev, "unable to map source\n");
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
}
|
|
|
|
qm_sg_ents = 1 + mapped_src_nents;
|
|
dst_sg_idx = qm_sg_ents;
|
|
|
|
qm_sg_ents += mapped_dst_nents > 1 ? mapped_dst_nents : 0;
|
|
qm_sg_bytes = qm_sg_ents * sizeof(struct qm_sg_entry);
|
|
if (unlikely(offsetof(struct skcipher_edesc, sgt) + qm_sg_bytes +
|
|
ivsize > CAAM_QI_MEMCACHE_SIZE)) {
|
|
dev_err(qidev, "No space for %d S/G entries and/or %dB IV\n",
|
|
qm_sg_ents, ivsize);
|
|
caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, 0,
|
|
0, 0, 0);
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
|
|
/* allocate space for base edesc, link tables and IV */
|
|
edesc = qi_cache_alloc(GFP_DMA | flags);
|
|
if (unlikely(!edesc)) {
|
|
dev_err(qidev, "could not allocate extended descriptor\n");
|
|
caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, 0,
|
|
0, 0, 0);
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
|
|
/* Make sure IV is located in a DMAable area */
|
|
sg_table = &edesc->sgt[0];
|
|
iv = (u8 *)(sg_table + qm_sg_ents);
|
|
memcpy(iv, req->iv, ivsize);
|
|
|
|
iv_dma = dma_map_single(qidev, iv, ivsize, DMA_TO_DEVICE);
|
|
if (dma_mapping_error(qidev, iv_dma)) {
|
|
dev_err(qidev, "unable to map IV\n");
|
|
caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents, 0,
|
|
0, 0, 0);
|
|
qi_cache_free(edesc);
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
|
|
edesc->src_nents = src_nents;
|
|
edesc->dst_nents = dst_nents;
|
|
edesc->iv_dma = iv_dma;
|
|
edesc->qm_sg_bytes = qm_sg_bytes;
|
|
edesc->drv_req.app_ctx = req;
|
|
edesc->drv_req.cbk = skcipher_done;
|
|
edesc->drv_req.drv_ctx = drv_ctx;
|
|
|
|
dma_to_qm_sg_one(sg_table, iv_dma, ivsize, 0);
|
|
sg_to_qm_sg_last(req->src, mapped_src_nents, sg_table + 1, 0);
|
|
|
|
if (mapped_dst_nents > 1)
|
|
sg_to_qm_sg_last(req->dst, mapped_dst_nents, sg_table +
|
|
dst_sg_idx, 0);
|
|
|
|
edesc->qm_sg_dma = dma_map_single(qidev, sg_table, edesc->qm_sg_bytes,
|
|
DMA_TO_DEVICE);
|
|
if (dma_mapping_error(qidev, edesc->qm_sg_dma)) {
|
|
dev_err(qidev, "unable to map S/G table\n");
|
|
caam_unmap(qidev, req->src, req->dst, src_nents, dst_nents,
|
|
iv_dma, ivsize, 0, 0);
|
|
qi_cache_free(edesc);
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
|
|
fd_sgt = &edesc->drv_req.fd_sgt[0];
|
|
|
|
dma_to_qm_sg_one_last_ext(&fd_sgt[1], edesc->qm_sg_dma,
|
|
ivsize + req->cryptlen, 0);
|
|
|
|
if (req->src == req->dst) {
|
|
dma_to_qm_sg_one_ext(&fd_sgt[0], edesc->qm_sg_dma +
|
|
sizeof(*sg_table), req->cryptlen, 0);
|
|
} else if (mapped_dst_nents > 1) {
|
|
dma_to_qm_sg_one_ext(&fd_sgt[0], edesc->qm_sg_dma + dst_sg_idx *
|
|
sizeof(*sg_table), req->cryptlen, 0);
|
|
} else {
|
|
dma_to_qm_sg_one(&fd_sgt[0], sg_dma_address(req->dst),
|
|
req->cryptlen, 0);
|
|
}
|
|
|
|
return edesc;
|
|
}
|
|
|
|
static inline int skcipher_crypt(struct skcipher_request *req, bool encrypt)
|
|
{
|
|
struct skcipher_edesc *edesc;
|
|
struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req);
|
|
struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher);
|
|
int ivsize = crypto_skcipher_ivsize(skcipher);
|
|
int ret;
|
|
|
|
if (unlikely(caam_congested))
|
|
return -EAGAIN;
|
|
|
|
/* allocate extended descriptor */
|
|
edesc = skcipher_edesc_alloc(req, encrypt);
|
|
if (IS_ERR(edesc))
|
|
return PTR_ERR(edesc);
|
|
|
|
/*
|
|
* The crypto API expects us to set the IV (req->iv) to the last
|
|
* ciphertext block.
|
|
*/
|
|
if (!encrypt)
|
|
scatterwalk_map_and_copy(req->iv, req->src, req->cryptlen -
|
|
ivsize, ivsize, 0);
|
|
|
|
ret = caam_qi_enqueue(ctx->qidev, &edesc->drv_req);
|
|
if (!ret) {
|
|
ret = -EINPROGRESS;
|
|
} else {
|
|
skcipher_unmap(ctx->qidev, edesc, req);
|
|
qi_cache_free(edesc);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int skcipher_encrypt(struct skcipher_request *req)
|
|
{
|
|
return skcipher_crypt(req, true);
|
|
}
|
|
|
|
static int skcipher_decrypt(struct skcipher_request *req)
|
|
{
|
|
return skcipher_crypt(req, false);
|
|
}
|
|
|
|
static struct caam_skcipher_alg driver_algs[] = {
|
|
{
|
|
.skcipher = {
|
|
.base = {
|
|
.cra_name = "cbc(aes)",
|
|
.cra_driver_name = "cbc-aes-caam-qi",
|
|
.cra_blocksize = AES_BLOCK_SIZE,
|
|
},
|
|
.setkey = skcipher_setkey,
|
|
.encrypt = skcipher_encrypt,
|
|
.decrypt = skcipher_decrypt,
|
|
.min_keysize = AES_MIN_KEY_SIZE,
|
|
.max_keysize = AES_MAX_KEY_SIZE,
|
|
.ivsize = AES_BLOCK_SIZE,
|
|
},
|
|
.caam.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
|
|
},
|
|
{
|
|
.skcipher = {
|
|
.base = {
|
|
.cra_name = "cbc(des3_ede)",
|
|
.cra_driver_name = "cbc-3des-caam-qi",
|
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
|
},
|
|
.setkey = des3_skcipher_setkey,
|
|
.encrypt = skcipher_encrypt,
|
|
.decrypt = skcipher_decrypt,
|
|
.min_keysize = DES3_EDE_KEY_SIZE,
|
|
.max_keysize = DES3_EDE_KEY_SIZE,
|
|
.ivsize = DES3_EDE_BLOCK_SIZE,
|
|
},
|
|
.caam.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
|
|
},
|
|
{
|
|
.skcipher = {
|
|
.base = {
|
|
.cra_name = "cbc(des)",
|
|
.cra_driver_name = "cbc-des-caam-qi",
|
|
.cra_blocksize = DES_BLOCK_SIZE,
|
|
},
|
|
.setkey = skcipher_setkey,
|
|
.encrypt = skcipher_encrypt,
|
|
.decrypt = skcipher_decrypt,
|
|
.min_keysize = DES_KEY_SIZE,
|
|
.max_keysize = DES_KEY_SIZE,
|
|
.ivsize = DES_BLOCK_SIZE,
|
|
},
|
|
.caam.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
|
|
},
|
|
{
|
|
.skcipher = {
|
|
.base = {
|
|
.cra_name = "ctr(aes)",
|
|
.cra_driver_name = "ctr-aes-caam-qi",
|
|
.cra_blocksize = 1,
|
|
},
|
|
.setkey = skcipher_setkey,
|
|
.encrypt = skcipher_encrypt,
|
|
.decrypt = skcipher_decrypt,
|
|
.min_keysize = AES_MIN_KEY_SIZE,
|
|
.max_keysize = AES_MAX_KEY_SIZE,
|
|
.ivsize = AES_BLOCK_SIZE,
|
|
.chunksize = AES_BLOCK_SIZE,
|
|
},
|
|
.caam.class1_alg_type = OP_ALG_ALGSEL_AES |
|
|
OP_ALG_AAI_CTR_MOD128,
|
|
},
|
|
{
|
|
.skcipher = {
|
|
.base = {
|
|
.cra_name = "rfc3686(ctr(aes))",
|
|
.cra_driver_name = "rfc3686-ctr-aes-caam-qi",
|
|
.cra_blocksize = 1,
|
|
},
|
|
.setkey = skcipher_setkey,
|
|
.encrypt = skcipher_encrypt,
|
|
.decrypt = skcipher_decrypt,
|
|
.min_keysize = AES_MIN_KEY_SIZE +
|
|
CTR_RFC3686_NONCE_SIZE,
|
|
.max_keysize = AES_MAX_KEY_SIZE +
|
|
CTR_RFC3686_NONCE_SIZE,
|
|
.ivsize = CTR_RFC3686_IV_SIZE,
|
|
.chunksize = AES_BLOCK_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_AES |
|
|
OP_ALG_AAI_CTR_MOD128,
|
|
.rfc3686 = true,
|
|
},
|
|
},
|
|
{
|
|
.skcipher = {
|
|
.base = {
|
|
.cra_name = "xts(aes)",
|
|
.cra_driver_name = "xts-aes-caam-qi",
|
|
.cra_blocksize = AES_BLOCK_SIZE,
|
|
},
|
|
.setkey = xts_skcipher_setkey,
|
|
.encrypt = skcipher_encrypt,
|
|
.decrypt = skcipher_decrypt,
|
|
.min_keysize = 2 * AES_MIN_KEY_SIZE,
|
|
.max_keysize = 2 * AES_MAX_KEY_SIZE,
|
|
.ivsize = AES_BLOCK_SIZE,
|
|
},
|
|
.caam.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_XTS,
|
|
},
|
|
};
|
|
|
|
static struct caam_aead_alg driver_aeads[] = {
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "rfc4106(gcm(aes))",
|
|
.cra_driver_name = "rfc4106-gcm-aes-caam-qi",
|
|
.cra_blocksize = 1,
|
|
},
|
|
.setkey = rfc4106_setkey,
|
|
.setauthsize = rfc4106_setauthsize,
|
|
.encrypt = ipsec_gcm_encrypt,
|
|
.decrypt = ipsec_gcm_decrypt,
|
|
.ivsize = 8,
|
|
.maxauthsize = AES_BLOCK_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM,
|
|
.nodkp = true,
|
|
},
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "rfc4543(gcm(aes))",
|
|
.cra_driver_name = "rfc4543-gcm-aes-caam-qi",
|
|
.cra_blocksize = 1,
|
|
},
|
|
.setkey = rfc4543_setkey,
|
|
.setauthsize = rfc4543_setauthsize,
|
|
.encrypt = ipsec_gcm_encrypt,
|
|
.decrypt = ipsec_gcm_decrypt,
|
|
.ivsize = 8,
|
|
.maxauthsize = AES_BLOCK_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM,
|
|
.nodkp = true,
|
|
},
|
|
},
|
|
/* Galois Counter Mode */
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "gcm(aes)",
|
|
.cra_driver_name = "gcm-aes-caam-qi",
|
|
.cra_blocksize = 1,
|
|
},
|
|
.setkey = gcm_setkey,
|
|
.setauthsize = gcm_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = 12,
|
|
.maxauthsize = AES_BLOCK_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_GCM,
|
|
.nodkp = true,
|
|
}
|
|
},
|
|
/* single-pass ipsec_esp descriptor */
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "authenc(hmac(md5),cbc(aes))",
|
|
.cra_driver_name = "authenc-hmac-md5-"
|
|
"cbc-aes-caam-qi",
|
|
.cra_blocksize = AES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = AES_BLOCK_SIZE,
|
|
.maxauthsize = MD5_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_MD5 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "echainiv(authenc(hmac(md5),"
|
|
"cbc(aes)))",
|
|
.cra_driver_name = "echainiv-authenc-hmac-md5-"
|
|
"cbc-aes-caam-qi",
|
|
.cra_blocksize = AES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = AES_BLOCK_SIZE,
|
|
.maxauthsize = MD5_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_MD5 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
.geniv = true,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "authenc(hmac(sha1),cbc(aes))",
|
|
.cra_driver_name = "authenc-hmac-sha1-"
|
|
"cbc-aes-caam-qi",
|
|
.cra_blocksize = AES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = AES_BLOCK_SIZE,
|
|
.maxauthsize = SHA1_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA1 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "echainiv(authenc(hmac(sha1),"
|
|
"cbc(aes)))",
|
|
.cra_driver_name = "echainiv-authenc-"
|
|
"hmac-sha1-cbc-aes-caam-qi",
|
|
.cra_blocksize = AES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = AES_BLOCK_SIZE,
|
|
.maxauthsize = SHA1_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA1 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
.geniv = true,
|
|
},
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "authenc(hmac(sha224),cbc(aes))",
|
|
.cra_driver_name = "authenc-hmac-sha224-"
|
|
"cbc-aes-caam-qi",
|
|
.cra_blocksize = AES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = AES_BLOCK_SIZE,
|
|
.maxauthsize = SHA224_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA224 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "echainiv(authenc(hmac(sha224),"
|
|
"cbc(aes)))",
|
|
.cra_driver_name = "echainiv-authenc-"
|
|
"hmac-sha224-cbc-aes-caam-qi",
|
|
.cra_blocksize = AES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = AES_BLOCK_SIZE,
|
|
.maxauthsize = SHA224_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA224 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
.geniv = true,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "authenc(hmac(sha256),cbc(aes))",
|
|
.cra_driver_name = "authenc-hmac-sha256-"
|
|
"cbc-aes-caam-qi",
|
|
.cra_blocksize = AES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = AES_BLOCK_SIZE,
|
|
.maxauthsize = SHA256_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA256 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "echainiv(authenc(hmac(sha256),"
|
|
"cbc(aes)))",
|
|
.cra_driver_name = "echainiv-authenc-"
|
|
"hmac-sha256-cbc-aes-"
|
|
"caam-qi",
|
|
.cra_blocksize = AES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = AES_BLOCK_SIZE,
|
|
.maxauthsize = SHA256_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA256 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
.geniv = true,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "authenc(hmac(sha384),cbc(aes))",
|
|
.cra_driver_name = "authenc-hmac-sha384-"
|
|
"cbc-aes-caam-qi",
|
|
.cra_blocksize = AES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = AES_BLOCK_SIZE,
|
|
.maxauthsize = SHA384_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA384 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "echainiv(authenc(hmac(sha384),"
|
|
"cbc(aes)))",
|
|
.cra_driver_name = "echainiv-authenc-"
|
|
"hmac-sha384-cbc-aes-"
|
|
"caam-qi",
|
|
.cra_blocksize = AES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = AES_BLOCK_SIZE,
|
|
.maxauthsize = SHA384_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA384 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
.geniv = true,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "authenc(hmac(sha512),cbc(aes))",
|
|
.cra_driver_name = "authenc-hmac-sha512-"
|
|
"cbc-aes-caam-qi",
|
|
.cra_blocksize = AES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = AES_BLOCK_SIZE,
|
|
.maxauthsize = SHA512_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA512 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "echainiv(authenc(hmac(sha512),"
|
|
"cbc(aes)))",
|
|
.cra_driver_name = "echainiv-authenc-"
|
|
"hmac-sha512-cbc-aes-"
|
|
"caam-qi",
|
|
.cra_blocksize = AES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = AES_BLOCK_SIZE,
|
|
.maxauthsize = SHA512_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_AES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA512 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
.geniv = true,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "authenc(hmac(md5),cbc(des3_ede))",
|
|
.cra_driver_name = "authenc-hmac-md5-"
|
|
"cbc-des3_ede-caam-qi",
|
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
|
},
|
|
.setkey = des3_aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES3_EDE_BLOCK_SIZE,
|
|
.maxauthsize = MD5_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_MD5 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "echainiv(authenc(hmac(md5),"
|
|
"cbc(des3_ede)))",
|
|
.cra_driver_name = "echainiv-authenc-hmac-md5-"
|
|
"cbc-des3_ede-caam-qi",
|
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
|
},
|
|
.setkey = des3_aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES3_EDE_BLOCK_SIZE,
|
|
.maxauthsize = MD5_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_MD5 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
.geniv = true,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "authenc(hmac(sha1),"
|
|
"cbc(des3_ede))",
|
|
.cra_driver_name = "authenc-hmac-sha1-"
|
|
"cbc-des3_ede-caam-qi",
|
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
|
},
|
|
.setkey = des3_aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES3_EDE_BLOCK_SIZE,
|
|
.maxauthsize = SHA1_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA1 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
},
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "echainiv(authenc(hmac(sha1),"
|
|
"cbc(des3_ede)))",
|
|
.cra_driver_name = "echainiv-authenc-"
|
|
"hmac-sha1-"
|
|
"cbc-des3_ede-caam-qi",
|
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
|
},
|
|
.setkey = des3_aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES3_EDE_BLOCK_SIZE,
|
|
.maxauthsize = SHA1_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA1 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
.geniv = true,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "authenc(hmac(sha224),"
|
|
"cbc(des3_ede))",
|
|
.cra_driver_name = "authenc-hmac-sha224-"
|
|
"cbc-des3_ede-caam-qi",
|
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
|
},
|
|
.setkey = des3_aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES3_EDE_BLOCK_SIZE,
|
|
.maxauthsize = SHA224_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA224 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
},
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "echainiv(authenc(hmac(sha224),"
|
|
"cbc(des3_ede)))",
|
|
.cra_driver_name = "echainiv-authenc-"
|
|
"hmac-sha224-"
|
|
"cbc-des3_ede-caam-qi",
|
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
|
},
|
|
.setkey = des3_aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES3_EDE_BLOCK_SIZE,
|
|
.maxauthsize = SHA224_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA224 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
.geniv = true,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "authenc(hmac(sha256),"
|
|
"cbc(des3_ede))",
|
|
.cra_driver_name = "authenc-hmac-sha256-"
|
|
"cbc-des3_ede-caam-qi",
|
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
|
},
|
|
.setkey = des3_aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES3_EDE_BLOCK_SIZE,
|
|
.maxauthsize = SHA256_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA256 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
},
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "echainiv(authenc(hmac(sha256),"
|
|
"cbc(des3_ede)))",
|
|
.cra_driver_name = "echainiv-authenc-"
|
|
"hmac-sha256-"
|
|
"cbc-des3_ede-caam-qi",
|
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
|
},
|
|
.setkey = des3_aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES3_EDE_BLOCK_SIZE,
|
|
.maxauthsize = SHA256_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA256 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
.geniv = true,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "authenc(hmac(sha384),"
|
|
"cbc(des3_ede))",
|
|
.cra_driver_name = "authenc-hmac-sha384-"
|
|
"cbc-des3_ede-caam-qi",
|
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
|
},
|
|
.setkey = des3_aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES3_EDE_BLOCK_SIZE,
|
|
.maxauthsize = SHA384_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA384 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
},
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "echainiv(authenc(hmac(sha384),"
|
|
"cbc(des3_ede)))",
|
|
.cra_driver_name = "echainiv-authenc-"
|
|
"hmac-sha384-"
|
|
"cbc-des3_ede-caam-qi",
|
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
|
},
|
|
.setkey = des3_aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES3_EDE_BLOCK_SIZE,
|
|
.maxauthsize = SHA384_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA384 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
.geniv = true,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "authenc(hmac(sha512),"
|
|
"cbc(des3_ede))",
|
|
.cra_driver_name = "authenc-hmac-sha512-"
|
|
"cbc-des3_ede-caam-qi",
|
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
|
},
|
|
.setkey = des3_aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES3_EDE_BLOCK_SIZE,
|
|
.maxauthsize = SHA512_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA512 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
},
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "echainiv(authenc(hmac(sha512),"
|
|
"cbc(des3_ede)))",
|
|
.cra_driver_name = "echainiv-authenc-"
|
|
"hmac-sha512-"
|
|
"cbc-des3_ede-caam-qi",
|
|
.cra_blocksize = DES3_EDE_BLOCK_SIZE,
|
|
},
|
|
.setkey = des3_aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES3_EDE_BLOCK_SIZE,
|
|
.maxauthsize = SHA512_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_3DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA512 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
.geniv = true,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "authenc(hmac(md5),cbc(des))",
|
|
.cra_driver_name = "authenc-hmac-md5-"
|
|
"cbc-des-caam-qi",
|
|
.cra_blocksize = DES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES_BLOCK_SIZE,
|
|
.maxauthsize = MD5_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_MD5 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
},
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "echainiv(authenc(hmac(md5),"
|
|
"cbc(des)))",
|
|
.cra_driver_name = "echainiv-authenc-hmac-md5-"
|
|
"cbc-des-caam-qi",
|
|
.cra_blocksize = DES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES_BLOCK_SIZE,
|
|
.maxauthsize = MD5_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_MD5 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
.geniv = true,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "authenc(hmac(sha1),cbc(des))",
|
|
.cra_driver_name = "authenc-hmac-sha1-"
|
|
"cbc-des-caam-qi",
|
|
.cra_blocksize = DES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES_BLOCK_SIZE,
|
|
.maxauthsize = SHA1_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA1 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
},
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "echainiv(authenc(hmac(sha1),"
|
|
"cbc(des)))",
|
|
.cra_driver_name = "echainiv-authenc-"
|
|
"hmac-sha1-cbc-des-caam-qi",
|
|
.cra_blocksize = DES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES_BLOCK_SIZE,
|
|
.maxauthsize = SHA1_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA1 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
.geniv = true,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "authenc(hmac(sha224),cbc(des))",
|
|
.cra_driver_name = "authenc-hmac-sha224-"
|
|
"cbc-des-caam-qi",
|
|
.cra_blocksize = DES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES_BLOCK_SIZE,
|
|
.maxauthsize = SHA224_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA224 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
},
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "echainiv(authenc(hmac(sha224),"
|
|
"cbc(des)))",
|
|
.cra_driver_name = "echainiv-authenc-"
|
|
"hmac-sha224-cbc-des-"
|
|
"caam-qi",
|
|
.cra_blocksize = DES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES_BLOCK_SIZE,
|
|
.maxauthsize = SHA224_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA224 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
.geniv = true,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "authenc(hmac(sha256),cbc(des))",
|
|
.cra_driver_name = "authenc-hmac-sha256-"
|
|
"cbc-des-caam-qi",
|
|
.cra_blocksize = DES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES_BLOCK_SIZE,
|
|
.maxauthsize = SHA256_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA256 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
},
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "echainiv(authenc(hmac(sha256),"
|
|
"cbc(des)))",
|
|
.cra_driver_name = "echainiv-authenc-"
|
|
"hmac-sha256-cbc-des-"
|
|
"caam-qi",
|
|
.cra_blocksize = DES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES_BLOCK_SIZE,
|
|
.maxauthsize = SHA256_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA256 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
.geniv = true,
|
|
},
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "authenc(hmac(sha384),cbc(des))",
|
|
.cra_driver_name = "authenc-hmac-sha384-"
|
|
"cbc-des-caam-qi",
|
|
.cra_blocksize = DES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES_BLOCK_SIZE,
|
|
.maxauthsize = SHA384_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA384 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
},
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "echainiv(authenc(hmac(sha384),"
|
|
"cbc(des)))",
|
|
.cra_driver_name = "echainiv-authenc-"
|
|
"hmac-sha384-cbc-des-"
|
|
"caam-qi",
|
|
.cra_blocksize = DES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES_BLOCK_SIZE,
|
|
.maxauthsize = SHA384_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA384 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
.geniv = true,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "authenc(hmac(sha512),cbc(des))",
|
|
.cra_driver_name = "authenc-hmac-sha512-"
|
|
"cbc-des-caam-qi",
|
|
.cra_blocksize = DES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES_BLOCK_SIZE,
|
|
.maxauthsize = SHA512_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA512 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
}
|
|
},
|
|
{
|
|
.aead = {
|
|
.base = {
|
|
.cra_name = "echainiv(authenc(hmac(sha512),"
|
|
"cbc(des)))",
|
|
.cra_driver_name = "echainiv-authenc-"
|
|
"hmac-sha512-cbc-des-"
|
|
"caam-qi",
|
|
.cra_blocksize = DES_BLOCK_SIZE,
|
|
},
|
|
.setkey = aead_setkey,
|
|
.setauthsize = aead_setauthsize,
|
|
.encrypt = aead_encrypt,
|
|
.decrypt = aead_decrypt,
|
|
.ivsize = DES_BLOCK_SIZE,
|
|
.maxauthsize = SHA512_DIGEST_SIZE,
|
|
},
|
|
.caam = {
|
|
.class1_alg_type = OP_ALG_ALGSEL_DES | OP_ALG_AAI_CBC,
|
|
.class2_alg_type = OP_ALG_ALGSEL_SHA512 |
|
|
OP_ALG_AAI_HMAC_PRECOMP,
|
|
.geniv = true,
|
|
}
|
|
},
|
|
};
|
|
|
|
static int caam_init_common(struct caam_ctx *ctx, struct caam_alg_entry *caam,
|
|
bool uses_dkp)
|
|
{
|
|
struct caam_drv_private *priv;
|
|
|
|
/*
|
|
* distribute tfms across job rings to ensure in-order
|
|
* crypto request processing per tfm
|
|
*/
|
|
ctx->jrdev = caam_jr_alloc();
|
|
if (IS_ERR(ctx->jrdev)) {
|
|
pr_err("Job Ring Device allocation for transform failed\n");
|
|
return PTR_ERR(ctx->jrdev);
|
|
}
|
|
|
|
priv = dev_get_drvdata(ctx->jrdev->parent);
|
|
if (priv->era >= 6 && uses_dkp)
|
|
ctx->dir = DMA_BIDIRECTIONAL;
|
|
else
|
|
ctx->dir = DMA_TO_DEVICE;
|
|
|
|
ctx->key_dma = dma_map_single(ctx->jrdev, ctx->key, sizeof(ctx->key),
|
|
ctx->dir);
|
|
if (dma_mapping_error(ctx->jrdev, ctx->key_dma)) {
|
|
dev_err(ctx->jrdev, "unable to map key\n");
|
|
caam_jr_free(ctx->jrdev);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/* copy descriptor header template value */
|
|
ctx->cdata.algtype = OP_TYPE_CLASS1_ALG | caam->class1_alg_type;
|
|
ctx->adata.algtype = OP_TYPE_CLASS2_ALG | caam->class2_alg_type;
|
|
|
|
ctx->qidev = priv->qidev;
|
|
|
|
spin_lock_init(&ctx->lock);
|
|
ctx->drv_ctx[ENCRYPT] = NULL;
|
|
ctx->drv_ctx[DECRYPT] = NULL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int caam_cra_init(struct crypto_skcipher *tfm)
|
|
{
|
|
struct skcipher_alg *alg = crypto_skcipher_alg(tfm);
|
|
struct caam_skcipher_alg *caam_alg =
|
|
container_of(alg, typeof(*caam_alg), skcipher);
|
|
|
|
return caam_init_common(crypto_skcipher_ctx(tfm), &caam_alg->caam,
|
|
false);
|
|
}
|
|
|
|
static int caam_aead_init(struct crypto_aead *tfm)
|
|
{
|
|
struct aead_alg *alg = crypto_aead_alg(tfm);
|
|
struct caam_aead_alg *caam_alg = container_of(alg, typeof(*caam_alg),
|
|
aead);
|
|
struct caam_ctx *ctx = crypto_aead_ctx(tfm);
|
|
|
|
return caam_init_common(ctx, &caam_alg->caam, !caam_alg->caam.nodkp);
|
|
}
|
|
|
|
static void caam_exit_common(struct caam_ctx *ctx)
|
|
{
|
|
caam_drv_ctx_rel(ctx->drv_ctx[ENCRYPT]);
|
|
caam_drv_ctx_rel(ctx->drv_ctx[DECRYPT]);
|
|
|
|
dma_unmap_single(ctx->jrdev, ctx->key_dma, sizeof(ctx->key), ctx->dir);
|
|
|
|
caam_jr_free(ctx->jrdev);
|
|
}
|
|
|
|
static void caam_cra_exit(struct crypto_skcipher *tfm)
|
|
{
|
|
caam_exit_common(crypto_skcipher_ctx(tfm));
|
|
}
|
|
|
|
static void caam_aead_exit(struct crypto_aead *tfm)
|
|
{
|
|
caam_exit_common(crypto_aead_ctx(tfm));
|
|
}
|
|
|
|
static void __exit caam_qi_algapi_exit(void)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(driver_aeads); i++) {
|
|
struct caam_aead_alg *t_alg = driver_aeads + i;
|
|
|
|
if (t_alg->registered)
|
|
crypto_unregister_aead(&t_alg->aead);
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_SIZE(driver_algs); i++) {
|
|
struct caam_skcipher_alg *t_alg = driver_algs + i;
|
|
|
|
if (t_alg->registered)
|
|
crypto_unregister_skcipher(&t_alg->skcipher);
|
|
}
|
|
}
|
|
|
|
static void caam_skcipher_alg_init(struct caam_skcipher_alg *t_alg)
|
|
{
|
|
struct skcipher_alg *alg = &t_alg->skcipher;
|
|
|
|
alg->base.cra_module = THIS_MODULE;
|
|
alg->base.cra_priority = CAAM_CRA_PRIORITY;
|
|
alg->base.cra_ctxsize = sizeof(struct caam_ctx);
|
|
alg->base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY;
|
|
|
|
alg->init = caam_cra_init;
|
|
alg->exit = caam_cra_exit;
|
|
}
|
|
|
|
static void caam_aead_alg_init(struct caam_aead_alg *t_alg)
|
|
{
|
|
struct aead_alg *alg = &t_alg->aead;
|
|
|
|
alg->base.cra_module = THIS_MODULE;
|
|
alg->base.cra_priority = CAAM_CRA_PRIORITY;
|
|
alg->base.cra_ctxsize = sizeof(struct caam_ctx);
|
|
alg->base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY;
|
|
|
|
alg->init = caam_aead_init;
|
|
alg->exit = caam_aead_exit;
|
|
}
|
|
|
|
static int __init caam_qi_algapi_init(void)
|
|
{
|
|
struct device_node *dev_node;
|
|
struct platform_device *pdev;
|
|
struct device *ctrldev;
|
|
struct caam_drv_private *priv;
|
|
int i = 0, err = 0;
|
|
u32 aes_vid, aes_inst, des_inst, md_vid, md_inst;
|
|
unsigned int md_limit = SHA512_DIGEST_SIZE;
|
|
bool registered = false;
|
|
|
|
dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0");
|
|
if (!dev_node) {
|
|
dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec4.0");
|
|
if (!dev_node)
|
|
return -ENODEV;
|
|
}
|
|
|
|
pdev = of_find_device_by_node(dev_node);
|
|
of_node_put(dev_node);
|
|
if (!pdev)
|
|
return -ENODEV;
|
|
|
|
ctrldev = &pdev->dev;
|
|
priv = dev_get_drvdata(ctrldev);
|
|
|
|
/*
|
|
* If priv is NULL, it's probably because the caam driver wasn't
|
|
* properly initialized (e.g. RNG4 init failed). Thus, bail out here.
|
|
*/
|
|
if (!priv || !priv->qi_present) {
|
|
err = -ENODEV;
|
|
goto out_put_dev;
|
|
}
|
|
|
|
if (caam_dpaa2) {
|
|
dev_info(ctrldev, "caam/qi frontend driver not suitable for DPAA 2.x, aborting...\n");
|
|
err = -ENODEV;
|
|
goto out_put_dev;
|
|
}
|
|
|
|
/*
|
|
* Register crypto algorithms the device supports.
|
|
* First, detect presence and attributes of DES, AES, and MD blocks.
|
|
*/
|
|
if (priv->era < 10) {
|
|
u32 cha_vid, cha_inst;
|
|
|
|
cha_vid = rd_reg32(&priv->ctrl->perfmon.cha_id_ls);
|
|
aes_vid = cha_vid & CHA_ID_LS_AES_MASK;
|
|
md_vid = (cha_vid & CHA_ID_LS_MD_MASK) >> CHA_ID_LS_MD_SHIFT;
|
|
|
|
cha_inst = rd_reg32(&priv->ctrl->perfmon.cha_num_ls);
|
|
des_inst = (cha_inst & CHA_ID_LS_DES_MASK) >>
|
|
CHA_ID_LS_DES_SHIFT;
|
|
aes_inst = cha_inst & CHA_ID_LS_AES_MASK;
|
|
md_inst = (cha_inst & CHA_ID_LS_MD_MASK) >> CHA_ID_LS_MD_SHIFT;
|
|
} else {
|
|
u32 aesa, mdha;
|
|
|
|
aesa = rd_reg32(&priv->ctrl->vreg.aesa);
|
|
mdha = rd_reg32(&priv->ctrl->vreg.mdha);
|
|
|
|
aes_vid = (aesa & CHA_VER_VID_MASK) >> CHA_VER_VID_SHIFT;
|
|
md_vid = (mdha & CHA_VER_VID_MASK) >> CHA_VER_VID_SHIFT;
|
|
|
|
des_inst = rd_reg32(&priv->ctrl->vreg.desa) & CHA_VER_NUM_MASK;
|
|
aes_inst = aesa & CHA_VER_NUM_MASK;
|
|
md_inst = mdha & CHA_VER_NUM_MASK;
|
|
}
|
|
|
|
/* If MD is present, limit digest size based on LP256 */
|
|
if (md_inst && md_vid == CHA_VER_VID_MD_LP256)
|
|
md_limit = SHA256_DIGEST_SIZE;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(driver_algs); i++) {
|
|
struct caam_skcipher_alg *t_alg = driver_algs + i;
|
|
u32 alg_sel = t_alg->caam.class1_alg_type & OP_ALG_ALGSEL_MASK;
|
|
|
|
/* Skip DES algorithms if not supported by device */
|
|
if (!des_inst &&
|
|
((alg_sel == OP_ALG_ALGSEL_3DES) ||
|
|
(alg_sel == OP_ALG_ALGSEL_DES)))
|
|
continue;
|
|
|
|
/* Skip AES algorithms if not supported by device */
|
|
if (!aes_inst && (alg_sel == OP_ALG_ALGSEL_AES))
|
|
continue;
|
|
|
|
caam_skcipher_alg_init(t_alg);
|
|
|
|
err = crypto_register_skcipher(&t_alg->skcipher);
|
|
if (err) {
|
|
dev_warn(priv->qidev, "%s alg registration failed\n",
|
|
t_alg->skcipher.base.cra_driver_name);
|
|
continue;
|
|
}
|
|
|
|
t_alg->registered = true;
|
|
registered = true;
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_SIZE(driver_aeads); i++) {
|
|
struct caam_aead_alg *t_alg = driver_aeads + i;
|
|
u32 c1_alg_sel = t_alg->caam.class1_alg_type &
|
|
OP_ALG_ALGSEL_MASK;
|
|
u32 c2_alg_sel = t_alg->caam.class2_alg_type &
|
|
OP_ALG_ALGSEL_MASK;
|
|
u32 alg_aai = t_alg->caam.class1_alg_type & OP_ALG_AAI_MASK;
|
|
|
|
/* Skip DES algorithms if not supported by device */
|
|
if (!des_inst &&
|
|
((c1_alg_sel == OP_ALG_ALGSEL_3DES) ||
|
|
(c1_alg_sel == OP_ALG_ALGSEL_DES)))
|
|
continue;
|
|
|
|
/* Skip AES algorithms if not supported by device */
|
|
if (!aes_inst && (c1_alg_sel == OP_ALG_ALGSEL_AES))
|
|
continue;
|
|
|
|
/*
|
|
* Check support for AES algorithms not available
|
|
* on LP devices.
|
|
*/
|
|
if (aes_vid == CHA_VER_VID_AES_LP && alg_aai == OP_ALG_AAI_GCM)
|
|
continue;
|
|
|
|
/*
|
|
* Skip algorithms requiring message digests
|
|
* if MD or MD size is not supported by device.
|
|
*/
|
|
if (c2_alg_sel &&
|
|
(!md_inst || (t_alg->aead.maxauthsize > md_limit)))
|
|
continue;
|
|
|
|
caam_aead_alg_init(t_alg);
|
|
|
|
err = crypto_register_aead(&t_alg->aead);
|
|
if (err) {
|
|
pr_warn("%s alg registration failed\n",
|
|
t_alg->aead.base.cra_driver_name);
|
|
continue;
|
|
}
|
|
|
|
t_alg->registered = true;
|
|
registered = true;
|
|
}
|
|
|
|
if (registered)
|
|
dev_info(priv->qidev, "algorithms registered in /proc/crypto\n");
|
|
|
|
out_put_dev:
|
|
put_device(ctrldev);
|
|
return err;
|
|
}
|
|
|
|
module_init(caam_qi_algapi_init);
|
|
module_exit(caam_qi_algapi_exit);
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_DESCRIPTION("Support for crypto API using CAAM-QI backend");
|
|
MODULE_AUTHOR("Freescale Semiconductor");
|