[RESEND PATCH v4 08/14] crypto: marvell/CESA: add MD5 support
From: Arnaud Ebalard
Add support for MD5 operations.
Signed-off-by: Arnaud Ebalard
Signed-off-by: Boris Brezillon
---
drivers/crypto/marvell/cesa.c | 2 +
drivers/crypto/marvell/cesa.h | 2 +
drivers/crypto/marvell/hash.c | 170 +-
3 files changed, 172 insertions(+), 2 deletions(-)
diff --git a/drivers/crypto/marvell/cesa.c b/drivers/crypto/marvell/cesa.c
index b9f4d26..b9da0df 100644
--- a/drivers/crypto/marvell/cesa.c
+++ b/drivers/crypto/marvell/cesa.c
@@ -174,7 +174,9 @@ static struct crypto_alg *armada_370_cipher_algs[] = {
};
static struct ahash_alg *armada_370_ahash_algs[] = {
+ &mv_md5_alg,
&mv_sha1_alg,
+ &mv_ahmac_md5_alg,
&mv_ahmac_sha1_alg,
};
diff --git a/drivers/crypto/marvell/cesa.h b/drivers/crypto/marvell/cesa.h
index d886280..23c4603 100644
--- a/drivers/crypto/marvell/cesa.h
+++ b/drivers/crypto/marvell/cesa.h
@@ -787,7 +787,9 @@ int mv_cesa_dma_add_op_transfers(struct mv_cesa_tdma_chain
*chain,
/* Algorithm definitions */
+extern struct ahash_alg mv_md5_alg;
extern struct ahash_alg mv_sha1_alg;
+extern struct ahash_alg mv_ahmac_md5_alg;
extern struct ahash_alg mv_ahmac_sha1_alg;
extern struct crypto_alg mv_cesa_ecb_des_alg;
diff --git a/drivers/crypto/marvell/hash.c b/drivers/crypto/marvell/hash.c
index f9c6d47..63fa493 100644
--- a/drivers/crypto/marvell/hash.c
+++ b/drivers/crypto/marvell/hash.c
@@ -12,6 +12,7 @@
* by the Free Software Foundation.
*/
+#include
#include
#include "cesa.h"
@@ -346,8 +347,16 @@ static int mv_cesa_ahash_process(struct
crypto_async_request *req, u32 status)
ahashreq->nbytes - creq->cache_ptr);
if (creq->last_req) {
- for (i = 0; i < digsize / 4; i++)
- creq->state[i] = cpu_to_be32(creq->state[i]);
+ for (i = 0; i < digsize / 4; i++) {
+ /*
+* Hardware provides MD5 digest in a different
+* endianness than SHA-1 and SHA-256 ones.
+*/
+ if (digsize == MD5_DIGEST_SIZE)
+ creq->state[i] = cpu_to_le32(creq->state[i]);
+ else
+ creq->state[i] = cpu_to_be32(creq->state[i]);
+ }
memcpy(ahashreq->result, creq->state, digsize);
}
@@ -786,6 +795,95 @@ static int mv_cesa_ahash_finup(struct ahash_request *req)
return ret;
}
+static int mv_cesa_md5_init(struct ahash_request *req)
+{
+ struct mv_cesa_op_ctx tmpl;
+
+ mv_cesa_set_op_cfg(&tmpl, CESA_SA_DESC_CFG_MACM_MD5);
+
+ mv_cesa_ahash_init(req, &tmpl);
+
+ return 0;
+}
+
+static int mv_cesa_md5_export(struct ahash_request *req, void *out)
+{
+ struct md5_state *out_state = out;
+ struct crypto_ahash *ahash = crypto_ahash_reqtfm(req);
+ struct mv_cesa_ahash_req *creq = ahash_request_ctx(req);
+ unsigned int digsize = crypto_ahash_digestsize(ahash);
+
+ out_state->byte_count = creq->len;
+ memcpy(out_state->hash, creq->state, digsize);
+ memset(out_state->block, 0, sizeof(out_state->block));
+ if (creq->cache)
+ memcpy(out_state->block, creq->cache, creq->cache_ptr);
+
+ return 0;
+}
+
+static int mv_cesa_md5_import(struct ahash_request *req, const void *in)
+{
+ const struct md5_state *in_state = in;
+ struct crypto_ahash *ahash = crypto_ahash_reqtfm(req);
+ struct mv_cesa_ahash_req *creq = ahash_request_ctx(req);
+ unsigned int digsize = crypto_ahash_digestsize(ahash);
+ unsigned int cache_ptr;
+ int ret;
+
+ creq->len = in_state->byte_count;
+ memcpy(creq->state, in_state->hash, digsize);
+ creq->cache_ptr = 0;
+
+ cache_ptr = creq->len % sizeof(in_state->block);
+ if (!cache_ptr)
+ return 0;
+
+ ret = mv_cesa_ahash_alloc_cache(req);
+ if (ret)
+ return ret;
+
+ memcpy(creq->cache, in_state->block, cache_ptr);
+ creq->cache_ptr = cache_ptr;
+
+ return 0;
+}
+
+static int mv_cesa_md5_digest(struct ahash_request *req)
+{
+ int ret;
+
+ ret = mv_cesa_md5_init(req);
+ if (ret)
+ return ret;
+
+ return mv_cesa_ahash_finup(req);
+}
+
+struct ahash_alg mv_md5_alg = {
+ .init = mv_cesa_md5_init,
+ .update = mv_cesa_ahash_update,
+ .final = mv_cesa_ahash_final,
+ .finup = mv_cesa_ahash_finup,
+ .digest = mv_cesa_md5_digest,
+ .export = mv_cesa_md5_export,
+ .import = mv_cesa_md5_import,
+ .halg = {
+ .digestsize = MD5_DIGEST_SIZE,
+ .base = {
+ .cra_name = "md5",
+ .cra_driver_name = "mv-md5",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+
[PATCH v4 08/14] crypto: marvell/CESA: add MD5 support
From: Arnaud Ebalard
Add support for MD5 operations.
Signed-off-by: Arnaud Ebalard
Signed-off-by: Boris Brezillon
---
drivers/crypto/marvell/cesa.c | 2 +
drivers/crypto/marvell/cesa.h | 2 +
drivers/crypto/marvell/hash.c | 170 +-
3 files changed, 172 insertions(+), 2 deletions(-)
diff --git a/drivers/crypto/marvell/cesa.c b/drivers/crypto/marvell/cesa.c
index b9f4d26..b9da0df 100644
--- a/drivers/crypto/marvell/cesa.c
+++ b/drivers/crypto/marvell/cesa.c
@@ -174,7 +174,9 @@ static struct crypto_alg *armada_370_cipher_algs[] = {
};
static struct ahash_alg *armada_370_ahash_algs[] = {
+ &mv_md5_alg,
&mv_sha1_alg,
+ &mv_ahmac_md5_alg,
&mv_ahmac_sha1_alg,
};
diff --git a/drivers/crypto/marvell/cesa.h b/drivers/crypto/marvell/cesa.h
index d886280..23c4603 100644
--- a/drivers/crypto/marvell/cesa.h
+++ b/drivers/crypto/marvell/cesa.h
@@ -787,7 +787,9 @@ int mv_cesa_dma_add_op_transfers(struct mv_cesa_tdma_chain
*chain,
/* Algorithm definitions */
+extern struct ahash_alg mv_md5_alg;
extern struct ahash_alg mv_sha1_alg;
+extern struct ahash_alg mv_ahmac_md5_alg;
extern struct ahash_alg mv_ahmac_sha1_alg;
extern struct crypto_alg mv_cesa_ecb_des_alg;
diff --git a/drivers/crypto/marvell/hash.c b/drivers/crypto/marvell/hash.c
index f9c6d47..63fa493 100644
--- a/drivers/crypto/marvell/hash.c
+++ b/drivers/crypto/marvell/hash.c
@@ -12,6 +12,7 @@
* by the Free Software Foundation.
*/
+#include
#include
#include "cesa.h"
@@ -346,8 +347,16 @@ static int mv_cesa_ahash_process(struct
crypto_async_request *req, u32 status)
ahashreq->nbytes - creq->cache_ptr);
if (creq->last_req) {
- for (i = 0; i < digsize / 4; i++)
- creq->state[i] = cpu_to_be32(creq->state[i]);
+ for (i = 0; i < digsize / 4; i++) {
+ /*
+* Hardware provides MD5 digest in a different
+* endianness than SHA-1 and SHA-256 ones.
+*/
+ if (digsize == MD5_DIGEST_SIZE)
+ creq->state[i] = cpu_to_le32(creq->state[i]);
+ else
+ creq->state[i] = cpu_to_be32(creq->state[i]);
+ }
memcpy(ahashreq->result, creq->state, digsize);
}
@@ -786,6 +795,95 @@ static int mv_cesa_ahash_finup(struct ahash_request *req)
return ret;
}
+static int mv_cesa_md5_init(struct ahash_request *req)
+{
+ struct mv_cesa_op_ctx tmpl;
+
+ mv_cesa_set_op_cfg(&tmpl, CESA_SA_DESC_CFG_MACM_MD5);
+
+ mv_cesa_ahash_init(req, &tmpl);
+
+ return 0;
+}
+
+static int mv_cesa_md5_export(struct ahash_request *req, void *out)
+{
+ struct md5_state *out_state = out;
+ struct crypto_ahash *ahash = crypto_ahash_reqtfm(req);
+ struct mv_cesa_ahash_req *creq = ahash_request_ctx(req);
+ unsigned int digsize = crypto_ahash_digestsize(ahash);
+
+ out_state->byte_count = creq->len;
+ memcpy(out_state->hash, creq->state, digsize);
+ memset(out_state->block, 0, sizeof(out_state->block));
+ if (creq->cache)
+ memcpy(out_state->block, creq->cache, creq->cache_ptr);
+
+ return 0;
+}
+
+static int mv_cesa_md5_import(struct ahash_request *req, const void *in)
+{
+ const struct md5_state *in_state = in;
+ struct crypto_ahash *ahash = crypto_ahash_reqtfm(req);
+ struct mv_cesa_ahash_req *creq = ahash_request_ctx(req);
+ unsigned int digsize = crypto_ahash_digestsize(ahash);
+ unsigned int cache_ptr;
+ int ret;
+
+ creq->len = in_state->byte_count;
+ memcpy(creq->state, in_state->hash, digsize);
+ creq->cache_ptr = 0;
+
+ cache_ptr = creq->len % sizeof(in_state->block);
+ if (!cache_ptr)
+ return 0;
+
+ ret = mv_cesa_ahash_alloc_cache(req);
+ if (ret)
+ return ret;
+
+ memcpy(creq->cache, in_state->block, cache_ptr);
+ creq->cache_ptr = cache_ptr;
+
+ return 0;
+}
+
+static int mv_cesa_md5_digest(struct ahash_request *req)
+{
+ int ret;
+
+ ret = mv_cesa_md5_init(req);
+ if (ret)
+ return ret;
+
+ return mv_cesa_ahash_finup(req);
+}
+
+struct ahash_alg mv_md5_alg = {
+ .init = mv_cesa_md5_init,
+ .update = mv_cesa_ahash_update,
+ .final = mv_cesa_ahash_final,
+ .finup = mv_cesa_ahash_finup,
+ .digest = mv_cesa_md5_digest,
+ .export = mv_cesa_md5_export,
+ .import = mv_cesa_md5_import,
+ .halg = {
+ .digestsize = MD5_DIGEST_SIZE,
+ .base = {
+ .cra_name = "md5",
+ .cra_driver_name = "mv-md5",
+ .cra_priority = 300,
+ .cra_flags = CRYPTO_ALG_ASYNC |
+
