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set tag for zero len case

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This commit is contained in:
Takashi Kojo
2020-10-20 19:11:35 +09:00
parent ebde736ee7
commit 6767646e54
1 changed files with 4 additions and 4 deletions
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8
wolfcrypt/src/evp.c
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@ -624,9 +624,6 @@ WOLFSSL_API int wolfSSL_EVP_CipherUpdate(WOLFSSL_EVP_CIPHER_CTX *ctx,
}
*outl = 0;
if (inl == 0) {
return WOLFSSL_SUCCESS;
}
#if !defined(NO_AES) && defined(HAVE_AESGCM)
switch (ctx->cipherType) {
@ -645,7 +642,10 @@ WOLFSSL_API int wolfSSL_EVP_CipherUpdate(WOLFSSL_EVP_CIPHER_CTX *ctx,
return WOLFSSL_FAILURE;
}
/* if(inl == 0)wolfSSL_EVP_CipherUpdate_GCM to get tag */
if (inl == 0) {
return WOLFSSL_SUCCESS;
}
if (ctx->bufUsed > 0) { /* concatenate them if there is anything */
fill = fillBuff(ctx, in, inl);
inl -= fill;