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blake2b-ref: memcpy() -> memmove() for overlapping regions

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This commit is contained in:
Frank Denis 2014-09-15 17:45:07 -07:00
parent d7edf5c34b
commit 136af03cc3
1 changed files with 1 additions and 1 deletions
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src/libsodium/crypto_generichash/blake2/ref/blake2b-ref.c
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@ -395,7 +395,7 @@ int blake2b_final( blake2b_state *S, uint8_t *out, uint8_t outlen )
blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES );
blake2b_compress( S, S->buf );
S->buflen -= BLAKE2B_BLOCKBYTES;
memcpy( S->buf, S->buf + BLAKE2B_BLOCKBYTES, S->buflen );
memmove( S->buf, S->buf + BLAKE2B_BLOCKBYTES, S->buflen );
}
blake2b_increment_counter( S, S->buflen );