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crypto: sha256 - Add sha224 support to sha256 library code

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Add sha224 support to the lib/crypto/sha256 library code. This will allow
us to replace both the sha256 and sha224 parts of crypto/sha256_generic.c
when we remove the code duplication in further patches in this series.

Suggested-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Hans de Goede
2019-08-17 16:24:34 +02:00
committed by Herbert Xu
parent 01d3aee866
commit 7d2f5b0c43
2 changed files with 40 additions and 2 deletions
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5
include/crypto/sha256.h
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@@ -26,4 +26,9 @@ extern int sha256_update(struct sha256_state *sctx, const u8 *input,
unsigned int length);
extern int sha256_final(struct sha256_state *sctx, u8 *hash);
extern int sha224_init(struct sha256_state *sctx);
extern int sha224_update(struct sha256_state *sctx, const u8 *input,
unsigned int length);
extern int sha224_final(struct sha256_state *sctx, u8 *hash);
#endif /* SHA256_H */