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| author | Eric Biggers <ebiggers@google.com> | 2020-05-01 18:42:29 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-05-08 07:32:12 +0200 |
| commit | 13855fd8ce641e567c1b972048b5fd1451984e88 (patch) | |
| tree | 4fb01cb99ef4e42ba075ebd197084d2c59fa10b0 /lib/crypto/sha256.c | |
| parent | crypto - Avoid free() namespace collision (diff) | |
| download | linux-13855fd8ce641e567c1b972048b5fd1451984e88.tar.xz linux-13855fd8ce641e567c1b972048b5fd1451984e88.zip | |
crypto: lib/sha256 - return void
The SHA-256 / SHA-224 library functions can't fail, so remove the
useless return value.
Also long as the declarations are being changed anyway, also fix some
parameter names in the declarations to match the definitions.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to '')
| -rw-r--r-- | lib/crypto/sha256.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/lib/crypto/sha256.c b/lib/crypto/sha256.c index 66cb04b0cf4e..2e621697c5c3 100644 --- a/lib/crypto/sha256.c +++ b/lib/crypto/sha256.c @@ -206,7 +206,7 @@ static void sha256_transform(u32 *state, const u8 *input) memzero_explicit(W, 64 * sizeof(u32)); } -int sha256_update(struct sha256_state *sctx, const u8 *data, unsigned int len) +void sha256_update(struct sha256_state *sctx, const u8 *data, unsigned int len) { unsigned int partial, done; const u8 *src; @@ -232,18 +232,16 @@ int sha256_update(struct sha256_state *sctx, const u8 *data, unsigned int len) partial = 0; } memcpy(sctx->buf + partial, src, len - done); - - return 0; } EXPORT_SYMBOL(sha256_update); -int sha224_update(struct sha256_state *sctx, const u8 *data, unsigned int len) +void sha224_update(struct sha256_state *sctx, const u8 *data, unsigned int len) { - return sha256_update(sctx, data, len); + sha256_update(sctx, data, len); } EXPORT_SYMBOL(sha224_update); -static int __sha256_final(struct sha256_state *sctx, u8 *out, int digest_words) +static void __sha256_final(struct sha256_state *sctx, u8 *out, int digest_words) { __be32 *dst = (__be32 *)out; __be64 bits; @@ -268,19 +266,17 @@ static int __sha256_final(struct sha256_state *sctx, u8 *out, int digest_words) /* Zeroize sensitive information. */ memset(sctx, 0, sizeof(*sctx)); - - return 0; } -int sha256_final(struct sha256_state *sctx, u8 *out) +void sha256_final(struct sha256_state *sctx, u8 *out) { - return __sha256_final(sctx, out, 8); + __sha256_final(sctx, out, 8); } EXPORT_SYMBOL(sha256_final); -int sha224_final(struct sha256_state *sctx, u8 *out) +void sha224_final(struct sha256_state *sctx, u8 *out) { - return __sha256_final(sctx, out, 7); + __sha256_final(sctx, out, 7); } EXPORT_SYMBOL(sha224_final); |