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modification to suppress compiler warning when LTC_FAST is not defined

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This commit is contained in:
Steffen Jaeckel 2009-10-01 11:58:04 +02:00
parent fcd5faf947
commit 6816ac3f3f
1 changed files with 18 additions and 14 deletions
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32
src/mac/omac/omac_process.c
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@ -27,7 +27,7 @@
*/ */
int omac_process(omac_state *omac, const unsigned char *in, unsigned long inlen) int omac_process(omac_state *omac, const unsigned char *in, unsigned long inlen)
{ {
unsigned long n, x, blklen; unsigned long n, x;
int err; int err;
LTC_ARGCHK(omac != NULL); LTC_ARGCHK(omac != NULL);
@ -42,20 +42,24 @@ int omac_process(omac_state *omac, const unsigned char *in, unsigned long inlen)
} }
#ifdef LTC_FAST #ifdef LTC_FAST
blklen = cipher_descriptor[omac->cipher_idx].block_length; {
if (omac->buflen == 0 && inlen > blklen) { unsigned long blklen;
unsigned long y;
for (x = 0; x < (inlen - blklen); x += blklen) { blklen = cipher_descriptor[omac->cipher_idx].block_length;
for (y = 0; y < blklen; y += sizeof(LTC_FAST_TYPE)) { if (omac->buflen == 0 && inlen > blklen) {
*((LTC_FAST_TYPE*)(&omac->prev[y])) ^= *((LTC_FAST_TYPE*)(&in[y])); unsigned long y;
for (x = 0; x < (inlen - blklen); x += blklen) {
for (y = 0; y < blklen; y += sizeof(LTC_FAST_TYPE)) {
*((LTC_FAST_TYPE*)(&omac->prev[y])) ^= *((LTC_FAST_TYPE*)(&in[y]));
}
in += blklen;
if ((err = cipher_descriptor[omac->cipher_idx].ecb_encrypt(omac->prev, omac->prev, &omac->key)) != CRYPT_OK) {
return err;
}
} }
in += blklen; inlen -= x;
if ((err = cipher_descriptor[omac->cipher_idx].ecb_encrypt(omac->prev, omac->prev, &omac->key)) != CRYPT_OK) { }
return err; }
}
}
inlen -= x;
}
#endif #endif
while (inlen != 0) { while (inlen != 0) {