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modes: fix coverity 1449860: overlapping memory copy

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Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14584)
This commit is contained in:
Pauli 2021-03-17 11:41:48 +10:00
parent b875e0e820
commit 145f12d12d
1 changed files with 2 additions and 1 deletions
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crypto/modes/cbc128.c
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@ -69,7 +69,8 @@ void CRYPTO_cbc128_encrypt(const unsigned char *in, unsigned char *out,
in += 16; in += 16;
out += 16; out += 16;
} }
memcpy(ivec, iv, 16); if (ivec != iv)
memcpy(ivec, iv, 16);
} }
void CRYPTO_cbc128_decrypt(const unsigned char *in, unsigned char *out, void CRYPTO_cbc128_decrypt(const unsigned char *in, unsigned char *out,