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Fixes for warnings with possible use of uninitialized variable in async with DES3 and AES.

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David Garske
2018-11-08 15:39:52 -08:00
parent da76fb6861
commit fcb40570e2
3 changed files with 88 additions and 39 deletions
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src/ssl.c
+8
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@@ -13179,6 +13179,9 @@ int wolfSSL_EVP_MD_type(const WOLFSSL_EVP_MD *md)
ctx->lastUsed = 0;
ctx->flags = 0;
}
XMEMSET(&ctx->cipher, 0, sizeof(ctx->cipher));
#ifndef NO_AES
#ifdef HAVE_AES_CBC
#ifdef WOLFSSL_AES_128
@@ -14251,6 +14254,10 @@ int wolfSSL_EVP_MD_type(const WOLFSSL_EVP_MD *md)
XMEMCPY(&key[DES_BLOCK_SIZE * 2], *ks3, DES_BLOCK_SIZE);
lb_sz = sz%DES_BLOCK_SIZE;
blk = sz/DES_BLOCK_SIZE;
/* OpenSSL compat, no ret */
wc_Des3Init(&des, NULL, INVALID_DEVID);
if (enc) {
wc_Des3_SetKey(&des, key, (const byte*)ivec, DES_ENCRYPTION);
wc_Des3_CbcEncrypt(&des, output, input, (word32)blk*DES_BLOCK_SIZE);
@@ -14269,6 +14276,7 @@ int wolfSSL_EVP_MD_type(const WOLFSSL_EVP_MD *md)
XMEMCPY(output+sz-lb_sz, lastblock, lb_sz);
}
}
wc_Des3Free(&des);
}