Commit 44c5edcd63e2ddb3bec006923f777a8dd537b5cd - libcryptx-perl

GCM: counter incrementation isn't stopped at 2^32 blocks Karel Miko 7 years ago

2 changed file(s) with 6 addition(s) and 0 deletion(s). Raw diff Collapse all Expand all

-0

Changes less more

13	13	0.041 2016/XX/XX
14	14	- ECC: ltc_ecc_is_point memory leak
15	15	- DSA: properly handle FIPS 186-4 (4.6 + 4.7)
	16	- GCM: counter incrementation isn't stopped at 2^32 blocks, which breaks GCM
16	17	- fix issue #24 Crypt::PK::ECC needs $VERSION (all *.pm have $VERSION)
17	18
18	19	0.040 2016/09/12

-0

src/ltc/encauth/gcm/gcm_process.c less more

46	46
47	47	if ((err = cipher_is_valid(gcm->cipher)) != CRYPT_OK) {
48	48	return err;
	49	}
	50
	51	/* 0xFFFFFFFE0 = ((2^39)-256)/8 */
	52	if (gcm->pttotlen / 8 + (ulong64)gcm->buflen + (ulong64)ptlen >= CONST64(0xFFFFFFFE0)) {
	53	return CRYPT_INVALID_ARG;
49	54	}
50	55
51	56	/* in AAD mode? */