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Fix a read off the end of the input buffer

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when building with OPENSSL_SMALL_FOOTPRINT defined.

Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3533)
This commit is contained in:
Rich Salz 2017-06-08 16:05:52 -04:00
parent 135976b3dd
commit 0b20ad127c
1 changed files with 2 additions and 2 deletions
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4
crypto/whrlpool/wp_dgst.c
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@ -174,7 +174,7 @@ void WHIRLPOOL_BitUpdate(WHIRLPOOL_CTX *c, const void *_inp, size_t bits)
goto reconsider;
} else
#endif
if (bits >= 8) {
if (bits > 8) {
b = ((inp[0] << inpgap) | (inp[1] >> (8 - inpgap)));
b &= 0xff;
if (bitrem)
@ -191,7 +191,7 @@ void WHIRLPOOL_BitUpdate(WHIRLPOOL_CTX *c, const void *_inp, size_t bits)
}
if (bitrem)
c->data[byteoff] = b << (8 - bitrem);
} else { /* remaining less than 8 bits */
} else { /* remaining less than or equal to 8 bits */
b = (inp[0] << inpgap) & 0xff;
if (bitrem)