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| author |   Antoine Tenart <antoine.tenart@bootlin.com> | 2018-05-29 14:13:45 +0200 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2018-06-22 23:03:02 +0800 |
| commit | 30c217ef6411d24b8c8b0478b89335dc2dabe6e8 (patch) | |
| tree | 7505b9dc1f4f7d4a05d221d61c640879b46d1614 /include/crypto/sha.h | |
| parent | crypto: inside-secure - improve the counter computation (diff) | |
| download | wireguard-linux-30c217ef6411d24b8c8b0478b89335dc2dabe6e8.tar.xz wireguard-linux-30c217ef6411d24b8c8b0478b89335dc2dabe6e8.zip | |
crypto: sha512_generic - add a sha512 0-length pre-computed hash
This patch adds the sha512 pre-computed 0-length hash so that device
drivers can use it when an hardware engine does not support computing a
hash from a 0 length input.
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto/sha.h')
| -rw-r--r-- | include/crypto/sha.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/crypto/sha.h b/include/crypto/sha.h index 0555b571dd34..799f071b93df 100644 --- a/include/crypto/sha.h +++ b/include/crypto/sha.h @@ -71,6 +71,8 @@ extern const u8 sha224_zero_message_hash[SHA224_DIGEST_SIZE]; extern const u8 sha256_zero_message_hash[SHA256_DIGEST_SIZE]; +extern const u8 sha512_zero_message_hash[SHA512_DIGEST_SIZE]; + struct sha1_state { u32 state[SHA1_DIGEST_SIZE / 4]; u64 count; |