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-rw-r--r--drivers/crypto/inside-secure/safexcel.c4
-rw-r--r--drivers/crypto/inside-secure/safexcel.h4
-rw-r--r--drivers/crypto/inside-secure/safexcel_cipher.c280
3 files changed, 274 insertions, 14 deletions
diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c
index 3c140d8c3ae4..8f7fdd023262 100644
--- a/drivers/crypto/inside-secure/safexcel.c
+++ b/drivers/crypto/inside-secure/safexcel.c
@@ -1183,6 +1183,10 @@ static struct safexcel_alg_template *safexcel_algs[] = {
&safexcel_alg_ofb_sm4,
&safexcel_alg_cfb_sm4,
&safexcel_alg_ctr_sm4,
+ &safexcel_alg_authenc_hmac_sha1_cbc_sm4,
+ &safexcel_alg_authenc_hmac_sm3_cbc_sm4,
+ &safexcel_alg_authenc_hmac_sha1_ctr_sm4,
+ &safexcel_alg_authenc_hmac_sm3_ctr_sm4,
};
static int safexcel_register_algorithms(struct safexcel_crypto_priv *priv)
diff --git a/drivers/crypto/inside-secure/safexcel.h b/drivers/crypto/inside-secure/safexcel.h
index 62965fb63dc5..1d75044c3e97 100644
--- a/drivers/crypto/inside-secure/safexcel.h
+++ b/drivers/crypto/inside-secure/safexcel.h
@@ -884,5 +884,9 @@ extern struct safexcel_alg_template safexcel_alg_cbc_sm4;
extern struct safexcel_alg_template safexcel_alg_ofb_sm4;
extern struct safexcel_alg_template safexcel_alg_cfb_sm4;
extern struct safexcel_alg_template safexcel_alg_ctr_sm4;
+extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_cbc_sm4;
+extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sm3_cbc_sm4;
+extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_ctr_sm4;
+extern struct safexcel_alg_template safexcel_alg_authenc_hmac_sm3_ctr_sm4;
#endif
diff --git a/drivers/crypto/inside-secure/safexcel_cipher.c b/drivers/crypto/inside-secure/safexcel_cipher.c
index ed1b186a5535..226b76180b90 100644
--- a/drivers/crypto/inside-secure/safexcel_cipher.c
+++ b/drivers/crypto/inside-secure/safexcel_cipher.c
@@ -19,6 +19,7 @@
#include <crypto/ghash.h>
#include <crypto/poly1305.h>
#include <crypto/sha.h>
+#include <crypto/sm3.h>
#include <crypto/sm4.h>
#include <crypto/xts.h>
#include <crypto/skcipher.h>
@@ -349,19 +350,18 @@ static int safexcel_aead_setkey(struct crypto_aead *ctfm, const u8 *key,
struct crypto_aes_ctx aes;
int err = -EINVAL;
- if (crypto_authenc_extractkeys(&keys, key, len) != 0)
+ if (unlikely(crypto_authenc_extractkeys(&keys, key, len)))
goto badkey;
if (ctx->mode == CONTEXT_CONTROL_CRYPTO_MODE_CTR_LOAD) {
- /* Minimum keysize is minimum AES key size + nonce size */
- if (keys.enckeylen < (AES_MIN_KEY_SIZE +
- CTR_RFC3686_NONCE_SIZE))
+ /* Must have at least space for the nonce here */
+ if (unlikely(keys.enckeylen < CTR_RFC3686_NONCE_SIZE))
goto badkey;
/* last 4 bytes of key are the nonce! */
ctx->nonce = *(u32 *)(keys.enckey + keys.enckeylen -
CTR_RFC3686_NONCE_SIZE);
/* exclude the nonce here */
- keys.enckeylen -= CONTEXT_CONTROL_CRYPTO_MODE_CTR_LOAD;
+ keys.enckeylen -= CTR_RFC3686_NONCE_SIZE;
}
/* Encryption key */
@@ -376,6 +376,10 @@ static int safexcel_aead_setkey(struct crypto_aead *ctfm, const u8 *key,
if (unlikely(err))
goto badkey;
break;
+ case SAFEXCEL_SM4:
+ if (unlikely(keys.enckeylen != SM4_KEY_SIZE))
+ goto badkey;
+ break;
default:
dev_err(priv->dev, "aead: unsupported cipher algorithm\n");
goto badkey;
@@ -412,6 +416,11 @@ static int safexcel_aead_setkey(struct crypto_aead *ctfm, const u8 *key,
keys.authkeylen, &istate, &ostate))
goto badkey;
break;
+ case CONTEXT_CONTROL_CRYPTO_ALG_SM3:
+ if (safexcel_hmac_setkey("safexcel-sm3", keys.authkey,
+ keys.authkeylen, &istate, &ostate))
+ goto badkey;
+ break;
default:
dev_err(priv->dev, "aead: unsupported hash algorithmn");
goto badkey;
@@ -2522,18 +2531,13 @@ static int safexcel_aead_chachapoly_decrypt(struct aead_request *req)
return safexcel_aead_chachapoly_crypt(req, SAFEXCEL_DECRYPT);
}
-static int safexcel_aead_chachapoly_cra_init(struct crypto_tfm *tfm)
+static int safexcel_aead_fallback_cra_init(struct crypto_tfm *tfm)
{
struct crypto_aead *aead = __crypto_aead_cast(tfm);
struct aead_alg *alg = crypto_aead_alg(aead);
struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
safexcel_aead_cra_init(tfm);
- ctx->alg = SAFEXCEL_CHACHA20;
- ctx->mode = CONTEXT_CONTROL_CHACHA20_MODE_256_32 |
- CONTEXT_CONTROL_CHACHA20_MODE_CALC_OTK;
- ctx->hash_alg = CONTEXT_CONTROL_CRYPTO_ALG_POLY1305;
- ctx->state_sz = 0; /* Precomputed by HW */
/* Allocate fallback implementation */
ctx->fback = crypto_alloc_aead(alg->base.cra_name, 0,
@@ -2549,7 +2553,20 @@ static int safexcel_aead_chachapoly_cra_init(struct crypto_tfm *tfm)
return 0;
}
-static void safexcel_aead_chachapoly_cra_exit(struct crypto_tfm *tfm)
+static int safexcel_aead_chachapoly_cra_init(struct crypto_tfm *tfm)
+{
+ struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ safexcel_aead_fallback_cra_init(tfm);
+ ctx->alg = SAFEXCEL_CHACHA20;
+ ctx->mode = CONTEXT_CONTROL_CHACHA20_MODE_256_32 |
+ CONTEXT_CONTROL_CHACHA20_MODE_CALC_OTK;
+ ctx->hash_alg = CONTEXT_CONTROL_CRYPTO_ALG_POLY1305;
+ ctx->state_sz = 0; /* Precomputed by HW */
+ return 0;
+}
+
+static void safexcel_aead_fallback_cra_exit(struct crypto_tfm *tfm)
{
struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
@@ -2579,7 +2596,7 @@ struct safexcel_alg_template safexcel_alg_chachapoly = {
.cra_ctxsize = sizeof(struct safexcel_cipher_ctx),
.cra_alignmask = 0,
.cra_init = safexcel_aead_chachapoly_cra_init,
- .cra_exit = safexcel_aead_chachapoly_cra_exit,
+ .cra_exit = safexcel_aead_fallback_cra_exit,
.cra_module = THIS_MODULE,
},
},
@@ -2617,7 +2634,7 @@ struct safexcel_alg_template safexcel_alg_chachapoly_esp = {
.cra_ctxsize = sizeof(struct safexcel_cipher_ctx),
.cra_alignmask = 0,
.cra_init = safexcel_aead_chachapolyesp_cra_init,
- .cra_exit = safexcel_aead_chachapoly_cra_exit,
+ .cra_exit = safexcel_aead_fallback_cra_exit,
.cra_module = THIS_MODULE,
},
},
@@ -2866,3 +2883,238 @@ struct safexcel_alg_template safexcel_alg_ctr_sm4 = {
},
},
};
+
+static int safexcel_aead_sm4_blk_encrypt(struct aead_request *req)
+{
+ /* Workaround for HW bug: EIP96 4.3 does not report blocksize error */
+ if (req->cryptlen & (SM4_BLOCK_SIZE - 1))
+ return -EINVAL;
+
+ return safexcel_queue_req(&req->base, aead_request_ctx(req),
+ SAFEXCEL_ENCRYPT);
+}
+
+static int safexcel_aead_sm4_blk_decrypt(struct aead_request *req)
+{
+ struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+
+ /* Workaround for HW bug: EIP96 4.3 does not report blocksize error */
+ if ((req->cryptlen - crypto_aead_authsize(tfm)) & (SM4_BLOCK_SIZE - 1))
+ return -EINVAL;
+
+ return safexcel_queue_req(&req->base, aead_request_ctx(req),
+ SAFEXCEL_DECRYPT);
+}
+
+static int safexcel_aead_sm4cbc_sha1_cra_init(struct crypto_tfm *tfm)
+{
+ struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ safexcel_aead_cra_init(tfm);
+ ctx->alg = SAFEXCEL_SM4;
+ ctx->hash_alg = CONTEXT_CONTROL_CRYPTO_ALG_SHA1;
+ ctx->state_sz = SHA1_DIGEST_SIZE;
+ return 0;
+}
+
+struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_cbc_sm4 = {
+ .type = SAFEXCEL_ALG_TYPE_AEAD,
+ .algo_mask = SAFEXCEL_ALG_SM4 | SAFEXCEL_ALG_SHA1,
+ .alg.aead = {
+ .setkey = safexcel_aead_setkey,
+ .encrypt = safexcel_aead_sm4_blk_encrypt,
+ .decrypt = safexcel_aead_sm4_blk_decrypt,
+ .ivsize = SM4_BLOCK_SIZE,
+ .maxauthsize = SHA1_DIGEST_SIZE,
+ .base = {
+ .cra_name = "authenc(hmac(sha1),cbc(sm4))",
+ .cra_driver_name = "safexcel-authenc-hmac-sha1-cbc-sm4",
+ .cra_priority = SAFEXCEL_CRA_PRIORITY,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = SM4_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct safexcel_cipher_ctx),
+ .cra_alignmask = 0,
+ .cra_init = safexcel_aead_sm4cbc_sha1_cra_init,
+ .cra_exit = safexcel_aead_cra_exit,
+ .cra_module = THIS_MODULE,
+ },
+ },
+};
+
+static int safexcel_aead_fallback_setkey(struct crypto_aead *ctfm,
+ const u8 *key, unsigned int len)
+{
+ struct crypto_tfm *tfm = crypto_aead_tfm(ctfm);
+ struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ /* Keep fallback cipher synchronized */
+ return crypto_aead_setkey(ctx->fback, (u8 *)key, len) ?:
+ safexcel_aead_setkey(ctfm, key, len);
+}
+
+static int safexcel_aead_fallback_setauthsize(struct crypto_aead *ctfm,
+ unsigned int authsize)
+{
+ struct crypto_tfm *tfm = crypto_aead_tfm(ctfm);
+ struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ /* Keep fallback cipher synchronized */
+ return crypto_aead_setauthsize(ctx->fback, authsize);
+}
+
+static int safexcel_aead_fallback_crypt(struct aead_request *req,
+ enum safexcel_cipher_direction dir)
+{
+ struct crypto_aead *aead = crypto_aead_reqtfm(req);
+ struct crypto_tfm *tfm = crypto_aead_tfm(aead);
+ struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
+ struct aead_request *subreq = aead_request_ctx(req);
+
+ aead_request_set_tfm(subreq, ctx->fback);
+ aead_request_set_callback(subreq, req->base.flags, req->base.complete,
+ req->base.data);
+ aead_request_set_crypt(subreq, req->src, req->dst, req->cryptlen,
+ req->iv);
+ aead_request_set_ad(subreq, req->assoclen);
+
+ return (dir == SAFEXCEL_ENCRYPT) ?
+ crypto_aead_encrypt(subreq) :
+ crypto_aead_decrypt(subreq);
+}
+
+static int safexcel_aead_sm4cbc_sm3_encrypt(struct aead_request *req)
+{
+ struct safexcel_cipher_req *creq = aead_request_ctx(req);
+
+ /* Workaround for HW bug: EIP96 4.3 does not report blocksize error */
+ if (req->cryptlen & (SM4_BLOCK_SIZE - 1))
+ return -EINVAL;
+ else if (req->cryptlen || req->assoclen) /* If input length > 0 only */
+ return safexcel_queue_req(&req->base, creq, SAFEXCEL_ENCRYPT);
+
+ /* HW cannot do full (AAD+payload) zero length, use fallback */
+ return safexcel_aead_fallback_crypt(req, SAFEXCEL_ENCRYPT);
+}
+
+static int safexcel_aead_sm4cbc_sm3_decrypt(struct aead_request *req)
+{
+ struct safexcel_cipher_req *creq = aead_request_ctx(req);
+ struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+
+ /* Workaround for HW bug: EIP96 4.3 does not report blocksize error */
+ if ((req->cryptlen - crypto_aead_authsize(tfm)) & (SM4_BLOCK_SIZE - 1))
+ return -EINVAL;
+ else if (req->cryptlen > crypto_aead_authsize(tfm) || req->assoclen)
+ /* If input length > 0 only */
+ return safexcel_queue_req(&req->base, creq, SAFEXCEL_DECRYPT);
+
+ /* HW cannot do full (AAD+payload) zero length, use fallback */
+ return safexcel_aead_fallback_crypt(req, SAFEXCEL_DECRYPT);
+}
+
+static int safexcel_aead_sm4cbc_sm3_cra_init(struct crypto_tfm *tfm)
+{
+ struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ safexcel_aead_fallback_cra_init(tfm);
+ ctx->alg = SAFEXCEL_SM4;
+ ctx->hash_alg = CONTEXT_CONTROL_CRYPTO_ALG_SM3;
+ ctx->state_sz = SM3_DIGEST_SIZE;
+ return 0;
+}
+
+struct safexcel_alg_template safexcel_alg_authenc_hmac_sm3_cbc_sm4 = {
+ .type = SAFEXCEL_ALG_TYPE_AEAD,
+ .algo_mask = SAFEXCEL_ALG_SM4 | SAFEXCEL_ALG_SM3,
+ .alg.aead = {
+ .setkey = safexcel_aead_fallback_setkey,
+ .setauthsize = safexcel_aead_fallback_setauthsize,
+ .encrypt = safexcel_aead_sm4cbc_sm3_encrypt,
+ .decrypt = safexcel_aead_sm4cbc_sm3_decrypt,
+ .ivsize = SM4_BLOCK_SIZE,
+ .maxauthsize = SM3_DIGEST_SIZE,
+ .base = {
+ .cra_name = "authenc(hmac(sm3),cbc(sm4))",
+ .cra_driver_name = "safexcel-authenc-hmac-sm3-cbc-sm4",
+ .cra_priority = SAFEXCEL_CRA_PRIORITY,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY |
+ CRYPTO_ALG_NEED_FALLBACK,
+ .cra_blocksize = SM4_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct safexcel_cipher_ctx),
+ .cra_alignmask = 0,
+ .cra_init = safexcel_aead_sm4cbc_sm3_cra_init,
+ .cra_exit = safexcel_aead_fallback_cra_exit,
+ .cra_module = THIS_MODULE,
+ },
+ },
+};
+
+static int safexcel_aead_sm4ctr_sha1_cra_init(struct crypto_tfm *tfm)
+{
+ struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ safexcel_aead_sm4cbc_sha1_cra_init(tfm);
+ ctx->mode = CONTEXT_CONTROL_CRYPTO_MODE_CTR_LOAD;
+ return 0;
+}
+
+struct safexcel_alg_template safexcel_alg_authenc_hmac_sha1_ctr_sm4 = {
+ .type = SAFEXCEL_ALG_TYPE_AEAD,
+ .algo_mask = SAFEXCEL_ALG_SM4 | SAFEXCEL_ALG_SHA1,
+ .alg.aead = {
+ .setkey = safexcel_aead_setkey,
+ .encrypt = safexcel_aead_encrypt,
+ .decrypt = safexcel_aead_decrypt,
+ .ivsize = CTR_RFC3686_IV_SIZE,
+ .maxauthsize = SHA1_DIGEST_SIZE,
+ .base = {
+ .cra_name = "authenc(hmac(sha1),rfc3686(ctr(sm4)))",
+ .cra_driver_name = "safexcel-authenc-hmac-sha1-ctr-sm4",
+ .cra_priority = SAFEXCEL_CRA_PRIORITY,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = 1,
+ .cra_ctxsize = sizeof(struct safexcel_cipher_ctx),
+ .cra_alignmask = 0,
+ .cra_init = safexcel_aead_sm4ctr_sha1_cra_init,
+ .cra_exit = safexcel_aead_cra_exit,
+ .cra_module = THIS_MODULE,
+ },
+ },
+};
+
+static int safexcel_aead_sm4ctr_sm3_cra_init(struct crypto_tfm *tfm)
+{
+ struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
+
+ safexcel_aead_sm4cbc_sm3_cra_init(tfm);
+ ctx->mode = CONTEXT_CONTROL_CRYPTO_MODE_CTR_LOAD;
+ return 0;
+}
+
+struct safexcel_alg_template safexcel_alg_authenc_hmac_sm3_ctr_sm4 = {
+ .type = SAFEXCEL_ALG_TYPE_AEAD,
+ .algo_mask = SAFEXCEL_ALG_SM4 | SAFEXCEL_ALG_SM3,
+ .alg.aead = {
+ .setkey = safexcel_aead_setkey,
+ .encrypt = safexcel_aead_encrypt,
+ .decrypt = safexcel_aead_decrypt,
+ .ivsize = CTR_RFC3686_IV_SIZE,
+ .maxauthsize = SM3_DIGEST_SIZE,
+ .base = {
+ .cra_name = "authenc(hmac(sm3),rfc3686(ctr(sm4)))",
+ .cra_driver_name = "safexcel-authenc-hmac-sm3-ctr-sm4",
+ .cra_priority = SAFEXCEL_CRA_PRIORITY,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_KERN_DRIVER_ONLY,
+ .cra_blocksize = 1,
+ .cra_ctxsize = sizeof(struct safexcel_cipher_ctx),
+ .cra_alignmask = 0,
+ .cra_init = safexcel_aead_sm4ctr_sm3_cra_init,
+ .cra_exit = safexcel_aead_cra_exit,
+ .cra_module = THIS_MODULE,
+ },
+ },
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-01 01:46:13 +0000