The hardware implementation of SHA384 was not correct and it cannot
be used in any situation.
Signed-off-by: Lars Persson <larper@xxxxxxxx>
---
drivers/crypto/axis/artpec6_crypto.c | 107 +----------------------------------
1 file changed, 2 insertions(+), 105 deletions(-)
diff --git a/drivers/crypto/axis/artpec6_crypto.c b/drivers/crypto/axis/artpec6_crypto.c
index f3442c2bdbdc..e4cbb2d11514 100644
--- a/drivers/crypto/axis/artpec6_crypto.c
+++ b/drivers/crypto/axis/artpec6_crypto.c
@@ -135,7 +135,6 @@
#define regk_crypto_ext 0x00000001
#define regk_crypto_hmac_sha1 0x00000007
#define regk_crypto_hmac_sha256 0x00000009
-#define regk_crypto_hmac_sha384 0x0000000b
#define regk_crypto_hmac_sha512 0x0000000d
#define regk_crypto_init 0x00000000
#define regk_crypto_key_128 0x00000000
@@ -144,7 +143,6 @@
#define regk_crypto_null 0x00000000
#define regk_crypto_sha1 0x00000006
#define regk_crypto_sha256 0x00000008
-#define regk_crypto_sha384 0x0000000a
#define regk_crypto_sha512 0x0000000c
/* DMA descriptor structures */
@@ -190,7 +188,6 @@ struct pdma_stat_descr {
/* Hash modes (including HMAC variants) */
#define ARTPEC6_CRYPTO_HASH_SHA1 1
#define ARTPEC6_CRYPTO_HASH_SHA256 2
-#define ARTPEC6_CRYPTO_HASH_SHA384 3
#define ARTPEC6_CRYPTO_HASH_SHA512 4
/* Crypto modes */
@@ -1315,8 +1312,7 @@ static int artpec6_crypto_prepare_hash(struct ahash_request *areq)
struct artpec6_hashalg_context *ctx = crypto_tfm_ctx(areq->base.tfm);
struct artpec6_hash_request_context *req_ctx = ahash_request_ctx(areq);
size_t digestsize = crypto_ahash_digestsize(crypto_ahash_reqtfm(areq));
- size_t contextsize = digestsize == SHA384_DIGEST_SIZE ?
- SHA512_DIGEST_SIZE : digestsize;
+ size_t contextsize = digestsize;
size_t blocksize = crypto_tfm_alg_blocksize(
crypto_ahash_tfm(crypto_ahash_reqtfm(areq)));
struct artpec6_crypto_req_common *common = &req_ctx->common;
@@ -1456,7 +1452,6 @@ static int artpec6_crypto_prepare_hash(struct ahash_request *areq)
/* Finalize */
if (req_ctx->hash_flags & HASH_FLAG_FINALIZE) {
- bool needtrim = contextsize != digestsize;
size_t hash_pad_len;
u64 digest_bits;
u32 oper;
@@ -1502,19 +1497,10 @@ static int artpec6_crypto_prepare_hash(struct ahash_request *areq)
/* Descriptor for the final result */
error = artpec6_crypto_setup_in_descr(common, areq->result,
digestsize,
- !needtrim);
+ true);
if (error)
return error;
- if (needtrim) {
- /* Discard the extra context bytes for SHA-384 */
- error = artpec6_crypto_setup_in_descr(common,
- req_ctx->partial_buffer,
- digestsize - contextsize, true);
- if (error)
- return error;
- }
-
} else { /* This is not the final operation for this request */
if (!run_hw)
return ARTPEC6_CRYPTO_PREPARE_HASH_NO_START;
@@ -2266,9 +2252,6 @@ artpec6_crypto_init_hash(struct ahash_request *req, u8 type, int hmac)
case ARTPEC6_CRYPTO_HASH_SHA256:
oper = hmac ? regk_crypto_hmac_sha256 : regk_crypto_sha256;
break;
- case ARTPEC6_CRYPTO_HASH_SHA384:
- oper = hmac ? regk_crypto_hmac_sha384 : regk_crypto_sha384;
- break;
case ARTPEC6_CRYPTO_HASH_SHA512:
oper = hmac ? regk_crypto_hmac_sha512 : regk_crypto_sha512;
break;
@@ -2368,22 +2351,6 @@ static int artpec6_crypto_sha256_digest(struct ahash_request *req)
return artpec6_crypto_prepare_submit_hash(req);
}
-static int __maybe_unused artpec6_crypto_sha384_init(struct ahash_request *req)
-{
- return artpec6_crypto_init_hash(req, ARTPEC6_CRYPTO_HASH_SHA384, 0);
-}
-
-static int __maybe_unused
-artpec6_crypto_sha384_digest(struct ahash_request *req)
-{
- struct artpec6_hash_request_context *req_ctx = ahash_request_ctx(req);
-
- artpec6_crypto_init_hash(req, ARTPEC6_CRYPTO_HASH_SHA384, 0);
- req_ctx->hash_flags |= HASH_FLAG_UPDATE | HASH_FLAG_FINALIZE;
-
- return artpec6_crypto_prepare_submit_hash(req);
-}
-
static int artpec6_crypto_sha512_init(struct ahash_request *req)
{
return artpec6_crypto_init_hash(req, ARTPEC6_CRYPTO_HASH_SHA512, 0);
@@ -2404,12 +2371,6 @@ static int artpec6_crypto_hmac_sha256_init(struct ahash_request *req)
return artpec6_crypto_init_hash(req, ARTPEC6_CRYPTO_HASH_SHA256, 1);
}
-static int __maybe_unused
-artpec6_crypto_hmac_sha384_init(struct ahash_request *req)
-{
- return artpec6_crypto_init_hash(req, ARTPEC6_CRYPTO_HASH_SHA384, 1);
-}
-
static int artpec6_crypto_hmac_sha512_init(struct ahash_request *req)
{
return artpec6_crypto_init_hash(req, ARTPEC6_CRYPTO_HASH_SHA512, 1);
@@ -2425,17 +2386,6 @@ static int artpec6_crypto_hmac_sha256_digest(struct ahash_request *req)
return artpec6_crypto_prepare_submit_hash(req);
}
-static int __maybe_unused
-artpec6_crypto_hmac_sha384_digest(struct ahash_request *req)
-{
- struct artpec6_hash_request_context *req_ctx = ahash_request_ctx(req);
-
- artpec6_crypto_init_hash(req, ARTPEC6_CRYPTO_HASH_SHA384, 1);
- req_ctx->hash_flags |= HASH_FLAG_UPDATE | HASH_FLAG_FINALIZE;
-
- return artpec6_crypto_prepare_submit_hash(req);
-}
-
static int artpec6_crypto_hmac_sha512_digest(struct ahash_request *req)
{
struct artpec6_hash_request_context *req_ctx = ahash_request_ctx(req);
@@ -2480,12 +2430,6 @@ static int artpec6_crypto_ahash_init_hmac_sha256(struct crypto_tfm *tfm)
return artpec6_crypto_ahash_init_common(tfm, "sha256");
}
-static int __maybe_unused
-artpec6_crypto_ahash_init_hmac_sha384(struct crypto_tfm *tfm)
-{
- return artpec6_crypto_ahash_init_common(tfm, "sha384");
-}
-
static int artpec6_crypto_ahash_init_hmac_sha512(struct crypto_tfm *tfm)
{
return artpec6_crypto_ahash_init_common(tfm, "sha512");
@@ -2762,53 +2706,6 @@ static struct ahash_alg hash_algos[] = {
};
static struct ahash_alg artpec7_hash_algos[] = {
- /* SHA-384 */
- {
- .init = artpec6_crypto_sha384_init,
- .update = artpec6_crypto_hash_update,
- .final = artpec6_crypto_hash_final,
- .digest = artpec6_crypto_sha384_digest,
- .import = artpec6_crypto_hash_import,
- .export = artpec6_crypto_hash_export,
- .halg.digestsize = SHA384_DIGEST_SIZE,
- .halg.statesize = sizeof(struct artpec6_hash_export_state),
- .halg.base = {
- .cra_name = "sha384",
- .cra_driver_name = "artpec-sha384",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_ASYNC,
- .cra_blocksize = SHA384_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct artpec6_hashalg_context),
- .cra_alignmask = 3,
- .cra_module = THIS_MODULE,
- .cra_init = artpec6_crypto_ahash_init,
- .cra_exit = artpec6_crypto_ahash_exit,
- }
- },
- /* HMAC SHA-384 */
- {
- .init = artpec6_crypto_hmac_sha384_init,
- .update = artpec6_crypto_hash_update,
- .final = artpec6_crypto_hash_final,
- .digest = artpec6_crypto_hmac_sha384_digest,
- .import = artpec6_crypto_hash_import,
- .export = artpec6_crypto_hash_export,
- .setkey = artpec6_crypto_hash_set_key,
- .halg.digestsize = SHA384_DIGEST_SIZE,
- .halg.statesize = sizeof(struct artpec6_hash_export_state),
- .halg.base = {
- .cra_name = "hmac(sha384)",
- .cra_driver_name = "artpec-hmac-sha384",
- .cra_priority = 300,
- .cra_flags = CRYPTO_ALG_ASYNC,
- .cra_blocksize = SHA384_BLOCK_SIZE,
- .cra_ctxsize = sizeof(struct artpec6_hashalg_context),
- .cra_alignmask = 3,
- .cra_module = THIS_MODULE,
- .cra_init = artpec6_crypto_ahash_init_hmac_sha384,
- .cra_exit = artpec6_crypto_ahash_exit,
- }
- },
/* SHA-512 */
{
.init = artpec6_crypto_sha512_init,
--
2.11.0
