wolfSSL/wolfssl
1
0
Fork 1
mirror of https://github.com/wolfSSL/wolfssl.git synced 2025-07-31 19:24:42 +02:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #6996 from SparkiDev/armv8_aes_gcm_init_stream_iv

Browse Source 
ARMv8 AES-GCM streaming: check size of IV before storing
This commit is contained in:
JacobBarthelmeh
2023-11-27 09:39:46 -07:00
committed by GitHub
parent 36015e9131 b242b44b2c
commit 602bd3b506
1 changed files with 7 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
wolfcrypt/src/port/arm/armv8-aes.c
View File

@@ -14512,8 +14512,7 @@ int wc_AesGcmInit(Aes* aes, const byte* key, word32 len, const byte* iv,
/* Check validity of parameters. */
if ((aes == NULL) || ((len > 0) && (key == NULL)) ||
((ivSz == 0) && (iv != NULL)) ||
((ivSz > 0) && (iv == NULL))) {
((ivSz == 0) && (iv != NULL)) || ((ivSz > 0) && (iv == NULL))) {
ret = BAD_FUNC_ARG;
}
@@ -14534,14 +14533,14 @@ int wc_AesGcmInit(Aes* aes, const byte* key, word32 len, const byte* iv,
}
if (ret == 0) {
/* Setup with IV if needed. */
if (iv != NULL) {
/* Cache the IV in AES GCM object. */
XMEMCPY((byte*)aes->reg, iv, ivSz);
/* Set the IV passed in if it is smaller than a block. */
if ((iv != NULL) && (ivSz <= AES_BLOCK_SIZE)) {
XMEMMOVE((byte*)aes->reg, iv, ivSz);
aes->nonceSz = ivSz;
}
else if (aes->nonceSz != 0) {
/* Copy out the cached copy. */
/* No IV passed in, check for cached IV. */
if ((iv == NULL) && (aes->nonceSz != 0)) {
/* Use the cached copy. */
iv = (byte*)aes->reg;
ivSz = aes->nonceSz;
}