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crypto: hisilicon - Add aead support on SEC2

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authenc(hmac(sha1),cbc(aes)), authenc(hmac(sha256),cbc(aes)), and
authenc(hmac(sha512),cbc(aes)) support are added for SEC v2.

Signed-off-by: Zaibo Xu <xuzaibo@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Zaibo Xu
2020-01-11 10:41:56 +08:00
committed by Herbert Xu
parent 473a0f9662
commit 2f072d75d1
4 changed files with 620 additions and 24 deletions
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29
drivers/crypto/hisilicon/sec2/sec.h
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@@ -13,6 +13,8 @@
struct sec_alg_res {
u8 *c_ivin;
dma_addr_t c_ivin_dma;
u8 *out_mac;
dma_addr_t out_mac_dma;
};
/* Cipher request of SEC private */
@@ -26,14 +28,21 @@ struct sec_cipher_req {
bool encrypt;
};
struct sec_aead_req {
u8 *out_mac;
dma_addr_t out_mac_dma;
struct aead_request *aead_req;
};
/* SEC request of Crypto */
struct sec_req {
struct sec_sqe sec_sqe;
struct sec_ctx *ctx;
struct sec_qp_ctx *qp_ctx;
/* Cipher supported only at present */
struct sec_cipher_req c_req;
struct sec_aead_req aead_req;
int err_type;
int req_id;
@@ -60,6 +69,16 @@ struct sec_req_op {
int (*process)(struct sec_ctx *ctx, struct sec_req *req);
};
/* SEC auth context */
struct sec_auth_ctx {
dma_addr_t a_key_dma;
u8 *a_key;
u8 a_key_len;
u8 mac_len;
u8 a_alg;
struct crypto_shash *hash_tfm;
};
/* SEC cipher context which cipher's relatives */
struct sec_cipher_ctx {
u8 *c_key;
@@ -85,6 +104,11 @@ struct sec_qp_ctx {
atomic_t pending_reqs;
};
enum sec_alg_type {
SEC_SKCIPHER,
SEC_AEAD
};
/* SEC Crypto TFM context which defines queue and cipher .etc relatives */
struct sec_ctx {
struct sec_qp_ctx *qp_ctx;
@@ -102,7 +126,10 @@ struct sec_ctx {
/* Currrent cyclic index to select a queue for decipher */
atomic_t dec_qcyclic;
enum sec_alg_type alg_type;
struct sec_cipher_ctx c_ctx;
struct sec_auth_ctx a_ctx;
};
enum sec_endian {