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add sanity check on des cbc decrypt, CID 512990

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JacobBarthelmeh
2025-04-23 17:11:05 -06:00
parent f96e493790
commit 6f1fe2e4b9
1 changed files with 4 additions and 0 deletions
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4
wolfcrypt/src/des3.c
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@@ -1742,6 +1742,10 @@
{ {
word32 blocks = sz / DES_BLOCK_SIZE; word32 blocks = sz / DES_BLOCK_SIZE;
if (des == NULL || out == NULL || in == NULL) {
return BAD_FUNC_ARG;
}
while (blocks--) { while (blocks--) {
XMEMCPY(des->tmp, in, DES_BLOCK_SIZE); XMEMCPY(des->tmp, in, DES_BLOCK_SIZE);
DesProcessBlock(des, (byte*)des->tmp, out); DesProcessBlock(des, (byte*)des->tmp, out);