diff options
| author | Antoine Tenart <antoine.tenart@bootlin.com> | 2018-05-29 14:13:49 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-06-22 23:03:05 +0800 |
| commit | a248ecca7a6077f18322d81ce63a96754634d46d (patch) | |
| tree | aeefbae490a234f7c5d27d71e4a559bab9c9c566 /crypto | |
| parent | a0e60416032b3fb379b869add8c3d42628a32fbc (diff) | |
| download | linux-crypto-a248ecca7a6077f18322d81ce63a96754634d46d.tar.gz linux-crypto-a248ecca7a6077f18322d81ce63a96754634d46d.zip | |
crypto: sha512_generic - add a sha384 0-length pre-computed hash
This patch adds the sha384 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 'crypto')
| -rw-r--r-- | crypto/sha512_generic.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/crypto/sha512_generic.c b/crypto/sha512_generic.c index 439723d9..0b805d03 100644 --- a/crypto/sha512_generic.c +++ b/crypto/sha512_generic.c @@ -23,6 +23,16 @@ #include <asm/byteorder.h> #include <asm/unaligned.h> +const u8 sha384_zero_message_hash[SHA384_DIGEST_SIZE] = { + 0x38, 0xb0, 0x60, 0xa7, 0x51, 0xac, 0x96, 0x38, + 0x4c, 0xd9, 0x32, 0x7e, 0xb1, 0xb1, 0xe3, 0x6a, + 0x21, 0xfd, 0xb7, 0x11, 0x14, 0xbe, 0x07, 0x43, + 0x4c, 0x0c, 0xc7, 0xbf, 0x63, 0xf6, 0xe1, 0xda, + 0x27, 0x4e, 0xde, 0xbf, 0xe7, 0x6f, 0x65, 0xfb, + 0xd5, 0x1a, 0xd2, 0xf1, 0x48, 0x98, 0xb9, 0x5b +}; +EXPORT_SYMBOL_GPL(sha384_zero_message_hash); + const u8 sha512_zero_message_hash[SHA512_DIGEST_SIZE] = { 0xcf, 0x83, 0xe1, 0x35, 0x7e, 0xef, 0xb8, 0xbd, 0xf1, 0x54, 0x28, 0x50, 0xd6, 0x6d, 0x80, 0x07, |