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path: root/drivers/crypto/hisilicon/sec2/sec_crypto.c
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Diffstat (limited to 'drivers/crypto/hisilicon/sec2/sec_crypto.c')
-rw-r--r--drivers/crypto/hisilicon/sec2/sec_crypto.c173
1 files changed, 82 insertions, 91 deletions
diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c b/drivers/crypto/hisilicon/sec2/sec_crypto.c
index 93a972fcbf63..66bc07da9eb6 100644
--- a/drivers/crypto/hisilicon/sec2/sec_crypto.c
+++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c
@@ -481,8 +481,10 @@ static void sec_alg_resource_free(struct sec_ctx *ctx,
if (ctx->pbuf_supported)
sec_free_pbuf_resource(dev, qp_ctx->res);
- if (ctx->alg_type == SEC_AEAD)
+ if (ctx->alg_type == SEC_AEAD) {
sec_free_mac_resource(dev, qp_ctx->res);
+ sec_free_aiv_resource(dev, qp_ctx->res);
+ }
}
static int sec_alloc_qp_ctx_resource(struct sec_ctx *ctx, struct sec_qp_ctx *qp_ctx)
@@ -946,15 +948,14 @@ static int sec_aead_mac_init(struct sec_aead_req *req)
struct aead_request *aead_req = req->aead_req;
struct crypto_aead *tfm = crypto_aead_reqtfm(aead_req);
size_t authsize = crypto_aead_authsize(tfm);
- u8 *mac_out = req->out_mac;
struct scatterlist *sgl = aead_req->src;
+ u8 *mac_out = req->out_mac;
size_t copy_size;
off_t skip_size;
/* Copy input mac */
skip_size = aead_req->assoclen + aead_req->cryptlen - authsize;
- copy_size = sg_pcopy_to_buffer(sgl, sg_nents(sgl), mac_out,
- authsize, skip_size);
+ copy_size = sg_pcopy_to_buffer(sgl, sg_nents(sgl), mac_out, authsize, skip_size);
if (unlikely(copy_size != authsize))
return -EINVAL;
@@ -1118,10 +1119,7 @@ static int sec_aead_setauthsize(struct crypto_aead *aead, unsigned int authsize)
struct sec_ctx *ctx = crypto_tfm_ctx(tfm);
struct sec_auth_ctx *a_ctx = &ctx->a_ctx;
- if (unlikely(a_ctx->fallback_aead_tfm))
- return crypto_aead_setauthsize(a_ctx->fallback_aead_tfm, authsize);
-
- return 0;
+ return crypto_aead_setauthsize(a_ctx->fallback_aead_tfm, authsize);
}
static int sec_aead_fallback_setkey(struct sec_auth_ctx *a_ctx,
@@ -1137,7 +1135,6 @@ static int sec_aead_fallback_setkey(struct sec_auth_ctx *a_ctx,
static int sec_aead_setkey(struct crypto_aead *tfm, const u8 *key,
const u32 keylen, const enum sec_hash_alg a_alg,
const enum sec_calg c_alg,
- const enum sec_mac_len mac_len,
const enum sec_cmode c_mode)
{
struct sec_ctx *ctx = crypto_aead_ctx(tfm);
@@ -1149,7 +1146,6 @@ static int sec_aead_setkey(struct crypto_aead *tfm, const u8 *key,
ctx->a_ctx.a_alg = a_alg;
ctx->c_ctx.c_alg = c_alg;
- ctx->a_ctx.mac_len = mac_len;
c_ctx->c_mode = c_mode;
if (c_mode == SEC_CMODE_CCM || c_mode == SEC_CMODE_GCM) {
@@ -1160,13 +1156,7 @@ static int sec_aead_setkey(struct crypto_aead *tfm, const u8 *key,
}
memcpy(c_ctx->c_key, key, keylen);
- if (unlikely(a_ctx->fallback_aead_tfm)) {
- ret = sec_aead_fallback_setkey(a_ctx, tfm, key, keylen);
- if (ret)
- return ret;
- }
-
- return 0;
+ return sec_aead_fallback_setkey(a_ctx, tfm, key, keylen);
}
ret = crypto_authenc_extractkeys(&keys, key, keylen);
@@ -1185,10 +1175,15 @@ static int sec_aead_setkey(struct crypto_aead *tfm, const u8 *key,
goto bad_key;
}
- if ((ctx->a_ctx.mac_len & SEC_SQE_LEN_RATE_MASK) ||
- (ctx->a_ctx.a_key_len & SEC_SQE_LEN_RATE_MASK)) {
+ if (ctx->a_ctx.a_key_len & SEC_SQE_LEN_RATE_MASK) {
ret = -EINVAL;
- dev_err(dev, "MAC or AUTH key length error!\n");
+ dev_err(dev, "AUTH key length error!\n");
+ goto bad_key;
+ }
+
+ ret = sec_aead_fallback_setkey(a_ctx, tfm, key, keylen);
+ if (ret) {
+ dev_err(dev, "set sec fallback key err!\n");
goto bad_key;
}
@@ -1200,27 +1195,19 @@ bad_key:
}
-#define GEN_SEC_AEAD_SETKEY_FUNC(name, aalg, calg, maclen, cmode) \
-static int sec_setkey_##name(struct crypto_aead *tfm, const u8 *key, \
- u32 keylen) \
-{ \
- return sec_aead_setkey(tfm, key, keylen, aalg, calg, maclen, cmode);\
-}
-
-GEN_SEC_AEAD_SETKEY_FUNC(aes_cbc_sha1, SEC_A_HMAC_SHA1,
- SEC_CALG_AES, SEC_HMAC_SHA1_MAC, SEC_CMODE_CBC)
-GEN_SEC_AEAD_SETKEY_FUNC(aes_cbc_sha256, SEC_A_HMAC_SHA256,
- SEC_CALG_AES, SEC_HMAC_SHA256_MAC, SEC_CMODE_CBC)
-GEN_SEC_AEAD_SETKEY_FUNC(aes_cbc_sha512, SEC_A_HMAC_SHA512,
- SEC_CALG_AES, SEC_HMAC_SHA512_MAC, SEC_CMODE_CBC)
-GEN_SEC_AEAD_SETKEY_FUNC(aes_ccm, 0, SEC_CALG_AES,
- SEC_HMAC_CCM_MAC, SEC_CMODE_CCM)
-GEN_SEC_AEAD_SETKEY_FUNC(aes_gcm, 0, SEC_CALG_AES,
- SEC_HMAC_GCM_MAC, SEC_CMODE_GCM)
-GEN_SEC_AEAD_SETKEY_FUNC(sm4_ccm, 0, SEC_CALG_SM4,
- SEC_HMAC_CCM_MAC, SEC_CMODE_CCM)
-GEN_SEC_AEAD_SETKEY_FUNC(sm4_gcm, 0, SEC_CALG_SM4,
- SEC_HMAC_GCM_MAC, SEC_CMODE_GCM)
+#define GEN_SEC_AEAD_SETKEY_FUNC(name, aalg, calg, cmode) \
+static int sec_setkey_##name(struct crypto_aead *tfm, const u8 *key, u32 keylen) \
+{ \
+ return sec_aead_setkey(tfm, key, keylen, aalg, calg, cmode); \
+}
+
+GEN_SEC_AEAD_SETKEY_FUNC(aes_cbc_sha1, SEC_A_HMAC_SHA1, SEC_CALG_AES, SEC_CMODE_CBC)
+GEN_SEC_AEAD_SETKEY_FUNC(aes_cbc_sha256, SEC_A_HMAC_SHA256, SEC_CALG_AES, SEC_CMODE_CBC)
+GEN_SEC_AEAD_SETKEY_FUNC(aes_cbc_sha512, SEC_A_HMAC_SHA512, SEC_CALG_AES, SEC_CMODE_CBC)
+GEN_SEC_AEAD_SETKEY_FUNC(aes_ccm, 0, SEC_CALG_AES, SEC_CMODE_CCM)
+GEN_SEC_AEAD_SETKEY_FUNC(aes_gcm, 0, SEC_CALG_AES, SEC_CMODE_GCM)
+GEN_SEC_AEAD_SETKEY_FUNC(sm4_ccm, 0, SEC_CALG_SM4, SEC_CMODE_CCM)
+GEN_SEC_AEAD_SETKEY_FUNC(sm4_gcm, 0, SEC_CALG_SM4, SEC_CMODE_GCM)
static int sec_aead_sgl_map(struct sec_ctx *ctx, struct sec_req *req)
{
@@ -1468,9 +1455,10 @@ static void sec_skcipher_callback(struct sec_ctx *ctx, struct sec_req *req,
static void set_aead_auth_iv(struct sec_ctx *ctx, struct sec_req *req)
{
struct aead_request *aead_req = req->aead_req.aead_req;
- struct sec_cipher_req *c_req = &req->c_req;
+ struct crypto_aead *tfm = crypto_aead_reqtfm(aead_req);
+ size_t authsize = crypto_aead_authsize(tfm);
struct sec_aead_req *a_req = &req->aead_req;
- size_t authsize = ctx->a_ctx.mac_len;
+ struct sec_cipher_req *c_req = &req->c_req;
u32 data_size = aead_req->cryptlen;
u8 flage = 0;
u8 cm, cl;
@@ -1511,10 +1499,8 @@ static void set_aead_auth_iv(struct sec_ctx *ctx, struct sec_req *req)
static void sec_aead_set_iv(struct sec_ctx *ctx, struct sec_req *req)
{
struct aead_request *aead_req = req->aead_req.aead_req;
- struct crypto_aead *tfm = crypto_aead_reqtfm(aead_req);
- size_t authsize = crypto_aead_authsize(tfm);
- struct sec_cipher_req *c_req = &req->c_req;
struct sec_aead_req *a_req = &req->aead_req;
+ struct sec_cipher_req *c_req = &req->c_req;
memcpy(c_req->c_ivin, aead_req->iv, ctx->c_ctx.ivsize);
@@ -1522,15 +1508,11 @@ static void sec_aead_set_iv(struct sec_ctx *ctx, struct sec_req *req)
/*
* CCM 16Byte Cipher_IV: {1B_Flage,13B_IV,2B_counter},
* the counter must set to 0x01
+ * CCM 16Byte Auth_IV: {1B_AFlage,13B_IV,2B_Ptext_length}
*/
- ctx->a_ctx.mac_len = authsize;
- /* CCM 16Byte Auth_IV: {1B_AFlage,13B_IV,2B_Ptext_length} */
set_aead_auth_iv(ctx, req);
- }
-
- /* GCM 12Byte Cipher_IV == Auth_IV */
- if (ctx->c_ctx.c_mode == SEC_CMODE_GCM) {
- ctx->a_ctx.mac_len = authsize;
+ } else if (ctx->c_ctx.c_mode == SEC_CMODE_GCM) {
+ /* GCM 12Byte Cipher_IV == Auth_IV */
memcpy(a_req->a_ivin, c_req->c_ivin, SEC_AIV_SIZE);
}
}
@@ -1540,9 +1522,11 @@ static void sec_auth_bd_fill_xcm(struct sec_auth_ctx *ctx, int dir,
{
struct sec_aead_req *a_req = &req->aead_req;
struct aead_request *aq = a_req->aead_req;
+ struct crypto_aead *tfm = crypto_aead_reqtfm(aq);
+ size_t authsize = crypto_aead_authsize(tfm);
/* C_ICV_Len is MAC size, 0x4 ~ 0x10 */
- sec_sqe->type2.icvw_kmode |= cpu_to_le16((u16)ctx->mac_len);
+ sec_sqe->type2.icvw_kmode |= cpu_to_le16((u16)authsize);
/* mode set to CCM/GCM, don't set {A_Alg, AKey_Len, MAC_Len} */
sec_sqe->type2.a_key_addr = sec_sqe->type2.c_key_addr;
@@ -1566,9 +1550,11 @@ static void sec_auth_bd_fill_xcm_v3(struct sec_auth_ctx *ctx, int dir,
{
struct sec_aead_req *a_req = &req->aead_req;
struct aead_request *aq = a_req->aead_req;
+ struct crypto_aead *tfm = crypto_aead_reqtfm(aq);
+ size_t authsize = crypto_aead_authsize(tfm);
/* C_ICV_Len is MAC size, 0x4 ~ 0x10 */
- sqe3->c_icv_key |= cpu_to_le16((u16)ctx->mac_len << SEC_MAC_OFFSET_V3);
+ sqe3->c_icv_key |= cpu_to_le16((u16)authsize << SEC_MAC_OFFSET_V3);
/* mode set to CCM/GCM, don't set {A_Alg, AKey_Len, MAC_Len} */
sqe3->a_key_addr = sqe3->c_key_addr;
@@ -1592,11 +1578,12 @@ static void sec_auth_bd_fill_ex(struct sec_auth_ctx *ctx, int dir,
struct sec_aead_req *a_req = &req->aead_req;
struct sec_cipher_req *c_req = &req->c_req;
struct aead_request *aq = a_req->aead_req;
+ struct crypto_aead *tfm = crypto_aead_reqtfm(aq);
+ size_t authsize = crypto_aead_authsize(tfm);
sec_sqe->type2.a_key_addr = cpu_to_le64(ctx->a_key_dma);
- sec_sqe->type2.mac_key_alg =
- cpu_to_le32(ctx->mac_len / SEC_SQE_LEN_RATE);
+ sec_sqe->type2.mac_key_alg = cpu_to_le32(authsize / SEC_SQE_LEN_RATE);
sec_sqe->type2.mac_key_alg |=
cpu_to_le32((u32)((ctx->a_key_len) /
@@ -1646,11 +1633,13 @@ static void sec_auth_bd_fill_ex_v3(struct sec_auth_ctx *ctx, int dir,
struct sec_aead_req *a_req = &req->aead_req;
struct sec_cipher_req *c_req = &req->c_req;
struct aead_request *aq = a_req->aead_req;
+ struct crypto_aead *tfm = crypto_aead_reqtfm(aq);
+ size_t authsize = crypto_aead_authsize(tfm);
sqe3->a_key_addr = cpu_to_le64(ctx->a_key_dma);
sqe3->auth_mac_key |=
- cpu_to_le32((u32)(ctx->mac_len /
+ cpu_to_le32((u32)(authsize /
SEC_SQE_LEN_RATE) << SEC_MAC_OFFSET_V3);
sqe3->auth_mac_key |=
@@ -1701,9 +1690,9 @@ static void sec_aead_callback(struct sec_ctx *c, struct sec_req *req, int err)
{
struct aead_request *a_req = req->aead_req.aead_req;
struct crypto_aead *tfm = crypto_aead_reqtfm(a_req);
+ size_t authsize = crypto_aead_authsize(tfm);
struct sec_aead_req *aead_req = &req->aead_req;
struct sec_cipher_req *c_req = &req->c_req;
- size_t authsize = crypto_aead_authsize(tfm);
struct sec_qp_ctx *qp_ctx = req->qp_ctx;
struct aead_request *backlog_aead_req;
struct sec_req *backlog_req;
@@ -1716,10 +1705,8 @@ static void sec_aead_callback(struct sec_ctx *c, struct sec_req *req, int err)
if (!err && c_req->encrypt) {
struct scatterlist *sgl = a_req->dst;
- sz = sg_pcopy_from_buffer(sgl, sg_nents(sgl),
- aead_req->out_mac,
- authsize, a_req->cryptlen +
- a_req->assoclen);
+ sz = sg_pcopy_from_buffer(sgl, sg_nents(sgl), aead_req->out_mac,
+ authsize, a_req->cryptlen + a_req->assoclen);
if (unlikely(sz != authsize)) {
dev_err(c->dev, "copy out mac err!\n");
err = -EINVAL;
@@ -1927,8 +1914,10 @@ static void sec_aead_exit(struct crypto_aead *tfm)
static int sec_aead_ctx_init(struct crypto_aead *tfm, const char *hash_name)
{
+ struct aead_alg *alg = crypto_aead_alg(tfm);
struct sec_ctx *ctx = crypto_aead_ctx(tfm);
- struct sec_auth_ctx *auth_ctx = &ctx->a_ctx;
+ struct sec_auth_ctx *a_ctx = &ctx->a_ctx;
+ const char *aead_name = alg->base.cra_name;
int ret;
ret = sec_aead_init(tfm);
@@ -1937,11 +1926,20 @@ static int sec_aead_ctx_init(struct crypto_aead *tfm, const char *hash_name)
return ret;
}
- auth_ctx->hash_tfm = crypto_alloc_shash(hash_name, 0, 0);
- if (IS_ERR(auth_ctx->hash_tfm)) {
+ a_ctx->hash_tfm = crypto_alloc_shash(hash_name, 0, 0);
+ if (IS_ERR(a_ctx->hash_tfm)) {
dev_err(ctx->dev, "aead alloc shash error!\n");
sec_aead_exit(tfm);
- return PTR_ERR(auth_ctx->hash_tfm);
+ return PTR_ERR(a_ctx->hash_tfm);
+ }
+
+ a_ctx->fallback_aead_tfm = crypto_alloc_aead(aead_name, 0,
+ CRYPTO_ALG_NEED_FALLBACK | CRYPTO_ALG_ASYNC);
+ if (IS_ERR(a_ctx->fallback_aead_tfm)) {
+ dev_err(ctx->dev, "aead driver alloc fallback tfm error!\n");
+ crypto_free_shash(ctx->a_ctx.hash_tfm);
+ sec_aead_exit(tfm);
+ return PTR_ERR(a_ctx->fallback_aead_tfm);
}
return 0;
@@ -1951,6 +1949,7 @@ static void sec_aead_ctx_exit(struct crypto_aead *tfm)
{
struct sec_ctx *ctx = crypto_aead_ctx(tfm);
+ crypto_free_aead(ctx->a_ctx.fallback_aead_tfm);
crypto_free_shash(ctx->a_ctx.hash_tfm);
sec_aead_exit(tfm);
}
@@ -1977,7 +1976,6 @@ static int sec_aead_xcm_ctx_init(struct crypto_aead *tfm)
sec_aead_exit(tfm);
return PTR_ERR(a_ctx->fallback_aead_tfm);
}
- a_ctx->fallback = false;
return 0;
}
@@ -2231,21 +2229,20 @@ static int sec_aead_spec_check(struct sec_ctx *ctx, struct sec_req *sreq)
{
struct aead_request *req = sreq->aead_req.aead_req;
struct crypto_aead *tfm = crypto_aead_reqtfm(req);
- size_t authsize = crypto_aead_authsize(tfm);
+ size_t sz = crypto_aead_authsize(tfm);
u8 c_mode = ctx->c_ctx.c_mode;
struct device *dev = ctx->dev;
int ret;
- if (unlikely(req->cryptlen + req->assoclen > MAX_INPUT_DATA_LEN ||
- req->assoclen > SEC_MAX_AAD_LEN)) {
- dev_err(dev, "aead input spec error!\n");
+ /* Hardware does not handle cases where authsize is less than 4 bytes */
+ if (unlikely(sz < MIN_MAC_LEN)) {
+ sreq->aead_req.fallback = true;
return -EINVAL;
}
- if (unlikely((c_mode == SEC_CMODE_GCM && authsize < DES_BLOCK_SIZE) ||
- (c_mode == SEC_CMODE_CCM && (authsize < MIN_MAC_LEN ||
- authsize & MAC_LEN_MASK)))) {
- dev_err(dev, "aead input mac length error!\n");
+ if (unlikely(req->cryptlen + req->assoclen > MAX_INPUT_DATA_LEN ||
+ req->assoclen > SEC_MAX_AAD_LEN)) {
+ dev_err(dev, "aead input spec error!\n");
return -EINVAL;
}
@@ -2264,7 +2261,7 @@ static int sec_aead_spec_check(struct sec_ctx *ctx, struct sec_req *sreq)
if (sreq->c_req.encrypt)
sreq->c_req.c_len = req->cryptlen;
else
- sreq->c_req.c_len = req->cryptlen - authsize;
+ sreq->c_req.c_len = req->cryptlen - sz;
if (c_mode == SEC_CMODE_CBC) {
if (unlikely(sreq->c_req.c_len & (AES_BLOCK_SIZE - 1))) {
dev_err(dev, "aead crypto length error!\n");
@@ -2290,8 +2287,8 @@ static int sec_aead_param_check(struct sec_ctx *ctx, struct sec_req *sreq)
if (ctx->sec->qm.ver == QM_HW_V2) {
if (unlikely(!req->cryptlen || (!sreq->c_req.encrypt &&
- req->cryptlen <= authsize))) {
- ctx->a_ctx.fallback = true;
+ req->cryptlen <= authsize))) {
+ sreq->aead_req.fallback = true;
return -EINVAL;
}
}
@@ -2319,16 +2316,9 @@ static int sec_aead_soft_crypto(struct sec_ctx *ctx,
bool encrypt)
{
struct sec_auth_ctx *a_ctx = &ctx->a_ctx;
- struct device *dev = ctx->dev;
struct aead_request *subreq;
int ret;
- /* Kunpeng920 aead mode not support input 0 size */
- if (!a_ctx->fallback_aead_tfm) {
- dev_err(dev, "aead fallback tfm is NULL!\n");
- return -EINVAL;
- }
-
subreq = aead_request_alloc(a_ctx->fallback_aead_tfm, GFP_KERNEL);
if (!subreq)
return -ENOMEM;
@@ -2360,10 +2350,11 @@ static int sec_aead_crypto(struct aead_request *a_req, bool encrypt)
req->aead_req.aead_req = a_req;
req->c_req.encrypt = encrypt;
req->ctx = ctx;
+ req->aead_req.fallback = false;
ret = sec_aead_param_check(ctx, req);
if (unlikely(ret)) {
- if (ctx->a_ctx.fallback)
+ if (req->aead_req.fallback)
return sec_aead_soft_crypto(ctx, a_req, encrypt);
return -EINVAL;
}
@@ -2518,8 +2509,8 @@ int sec_register_to_crypto(struct hisi_qm *qm)
u64 alg_mask;
int ret = 0;
- alg_mask = sec_get_alg_bitmap(qm, SEC_DRV_ALG_BITMAP_HIGH_IDX,
- SEC_DRV_ALG_BITMAP_LOW_IDX);
+ alg_mask = sec_get_alg_bitmap(qm, SEC_DRV_ALG_BITMAP_HIGH_TB,
+ SEC_DRV_ALG_BITMAP_LOW_TB);
mutex_lock(&sec_algs_lock);
if (sec_available_devs) {
@@ -2551,8 +2542,8 @@ void sec_unregister_from_crypto(struct hisi_qm *qm)
{
u64 alg_mask;
- alg_mask = sec_get_alg_bitmap(qm, SEC_DRV_ALG_BITMAP_HIGH_IDX,
- SEC_DRV_ALG_BITMAP_LOW_IDX);
+ alg_mask = sec_get_alg_bitmap(qm, SEC_DRV_ALG_BITMAP_HIGH_TB,
+ SEC_DRV_ALG_BITMAP_LOW_TB);
mutex_lock(&sec_algs_lock);
if (--sec_available_devs)
generated by cgit (git 2.34.1) at 2025-03-22 11:52:31 +0000