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Add wolfSSL_DES_ecb_encrypt() encrypt/decrypt parameter check.

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Go Hosohara
2017-04-10 16:19:44 +09:00
parent 97c22c88d8
commit dccff615d5
1 changed files with 8 additions and 2 deletions
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10
src/ssl.c
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@@ -15800,10 +15800,16 @@ void wolfSSL_DES_ecb_encrypt(WOLFSSL_DES_cblock* desa,
WOLFSSL_ENTER("wolfSSL_DES_ecb_encrypt");
Des3 enc;
if (desa == NULL || key == NULL){
if (desa == NULL || key == NULL || desb == NULL || (dir != DES_ENCRYPT && dir != DES_DECRYPT)){
WOLFSSL_MSG("Bad argument passed to wolfSSL_DES_ecb_encrypt");
} else {
if (wc_Des3_SetKey(&enc, (const byte*) key, (const byte*) NULL, dir) != 0){
int cdir;
if (dir == DES_ENCRYPT){
cdir = DES_ENCRYPTION;
}else if (dir == DES_DECRYPT){
cdir = DES_DECRYPTION;
}
if (wc_Des3_SetKey(&enc, (const byte*) key, (const byte*) NULL, cdir) != 0){
WOLFSSL_MSG("wc_Des3_SetKey return error.");
}
if (wc_Des3_EcbEncrypt(&enc, (byte*) desb, (const byte*) desa, sizeof(desb)) != 0){