int ccmode_gcm_test_one_vector_chained(const struct ccmode_gcm *gcm, const struct ccmode_gcm_vector *v, int dec)
{
if (v->ptlen!=v->ctlen)
return -1;
#ifdef USE_COMMONCRYPTO_GCM
unsigned char temp[v->ptlen];
unsigned char temptag[v->taglen];
CCCryptorStatus st;
size_t taglen = v->taglen;
CCCryptorRef cryptor = NULL;
st = CCCryptorCreateWithMode(dec ? kCCDecrypt : kCCEncrypt, 11 /* kCCModeGCM */, kCCAlgorithmAES128, 0, NULL, v->key, v->keylen, NULL, 0, 0, 0, &cryptor);
st = CCCryptorGCMAddIV(cryptor, v->iv, v->ivlen);
unsigned long i;
#if 0
for (i = 0; i < v->adalen; ++i) {
st = CCCryptorGCMAddADD(cryptor, &v->ada[i], 1);
}
#else
st = CCCryptorGCMAddADD(cryptor, v->ada, v->adalen);
#endif
#if 0
for (i = 0; i < v->ptlen; ++i) {
st = (dec ? CCCryptorGCMDecrypt(cryptor, &v->ct[i], 1, &temp[i])
: CCCryptorGCMEncrypt(cryptor, &v->pt[i], 1, &temp[i]));
}
#else
st = (dec ? CCCryptorGCMDecrypt(cryptor, v->ct, v->ptlen, temp)
: CCCryptorGCMEncrypt(cryptor, v->pt, v->ptlen, temp));
#endif
st = CCCryptorGCMFinal(cryptor, temptag, &taglen);
CCCryptorRelease(cryptor);
#ifdef _INTERNAL_DEBUG_
int r1, r2;
r1 = memcmp(dec ? v->pt : v->ct, temp, v->ptlen);
r2 = memcmp(v->tag, temptag, v->taglen);
if (r1 || r2)
cc_printf("ivlen: %lu adalen: %lu nbytes: %lu taglen: %lu crypt: %d tag: %d\n",
v->ivlen, v->adalen, v->ptlen, v->taglen, r1, r2);
return r1 != 0 ? r1 : r2;
#else
return memcmp(dec ? v->pt : v->ct, temp, v->ptlen) || memcmp(v->tag, temptag, v->taglen);
#endif
#else
if (dec)
return ccmode_gcm_test_one_chained(gcm, v->keylen, v->key, v->ivlen, v->iv, v->adalen, v->ada, v->ptlen, v->ct, v->pt, v->taglen, v->tag);
else
return ccmode_gcm_test_one_chained(gcm, v->keylen, v->key, v->ivlen, v->iv, v->adalen, v->ada, v->ptlen, v->pt, v->ct, v->taglen, v->tag);
#endif
}
OSStatus AES_GCM_Encrypt( AES_GCM_Context *inContext, const void *inSrc, size_t inLen, void *inDst )
{
OSStatus err;
err = CCCryptorGCMEncrypt( inContext->cryptor, inSrc, inLen, inDst );
require_noerr( err, exit );
exit:
return( err );
}
