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-rw-r--r--net/mptcp/crypto.c15
1 files changed, 3 insertions, 12 deletions
diff --git a/net/mptcp/crypto.c b/net/mptcp/crypto.c
index 3d980713a9e2..82bd2b54d741 100644
--- a/net/mptcp/crypto.c
+++ b/net/mptcp/crypto.c
@@ -32,11 +32,8 @@ void mptcp_crypto_key_sha(u64 key, u32 *token, u64 *idsn)
{
__be32 mptcp_hashed_key[SHA256_DIGEST_WORDS];
__be64 input = cpu_to_be64(key);
- struct sha256_state state;
- sha256_init(&state);
- sha256_update(&state, (__force u8 *)&input, sizeof(input));
- sha256_final(&state, (u8 *)mptcp_hashed_key);
+ sha256((__force u8 *)&input, sizeof(input), (u8 *)mptcp_hashed_key);
if (token)
*token = be32_to_cpu(mptcp_hashed_key[0]);
@@ -47,7 +44,6 @@ void mptcp_crypto_key_sha(u64 key, u32 *token, u64 *idsn)
void mptcp_crypto_hmac_sha(u64 key1, u64 key2, u8 *msg, int len, void *hmac)
{
u8 input[SHA256_BLOCK_SIZE + SHA256_DIGEST_SIZE];
- struct sha256_state state;
u8 key1be[8];
u8 key2be[8];
int i;
@@ -67,13 +63,10 @@ void mptcp_crypto_hmac_sha(u64 key1, u64 key2, u8 *msg, int len, void *hmac)
memcpy(&input[SHA256_BLOCK_SIZE], msg, len);
- sha256_init(&state);
- sha256_update(&state, input, SHA256_BLOCK_SIZE + len);
-
/* emit sha256(K1 || msg) on the second input block, so we can
* reuse 'input' for the last hashing
*/
- sha256_final(&state, &input[SHA256_BLOCK_SIZE]);
+ sha256(input, SHA256_BLOCK_SIZE + len, &input[SHA256_BLOCK_SIZE]);
/* Prepare second part of hmac */
memset(input, 0x5C, SHA256_BLOCK_SIZE);
@@ -82,9 +75,7 @@ void mptcp_crypto_hmac_sha(u64 key1, u64 key2, u8 *msg, int len, void *hmac)
for (i = 0; i < 8; i++)
input[i + 8] ^= key2be[i];
- sha256_init(&state);
- sha256_update(&state, input, SHA256_BLOCK_SIZE + SHA256_DIGEST_SIZE);
- sha256_final(&state, (u8 *)hmac);
+ sha256(input, SHA256_BLOCK_SIZE + SHA256_DIGEST_SIZE, hmac);
}
#ifdef CONFIG_MPTCP_HMAC_TEST