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fix check on non aad use

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This commit is contained in:
JacobBarthelmeh
2024-01-02 08:48:45 -08:00
parent f8dbc7f15c
commit 3901fa6a96
1 changed files with 7 additions and 1 deletions
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8
wolfcrypt/src/port/xilinx/xil-aesgcm.c
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@ -627,7 +627,7 @@ int wc_AesGcmDecrypt(Aes* aes, byte* out,
/* calls to hardened crypto */ /* calls to hardened crypto */
XSecure_AesInitialize(&(aes->xilAes), &(aes->dma), aes->kup, XSecure_AesInitialize(&(aes->xilAes), &(aes->dma), aes->kup,
(word32*)iv, aes->keyInit); (word32*)iv, aes->keyInit);
XSecure_AesDecryptData(&(aes->xilAes), out, in, sz, tag); ret = XSecure_AesDecryptData(&(aes->xilAes), out, in, sz, tag);
/* account for additional data */ /* account for additional data */
if (authIn != NULL && authInSz > 0) { if (authIn != NULL && authInSz > 0) {
@ -640,6 +640,12 @@ int wc_AesGcmDecrypt(Aes* aes, byte* out,
return AES_GCM_AUTH_E; return AES_GCM_AUTH_E;
} }
} }
else {
/* if no aad then check the result of the initial tag passed in */
if (ret != XST_SUCCESS) {
return AES_GCM_AUTH_E;
}
}
return 0; return 0;