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Fix DES_ecb_encrypt function in terms of reviewing point.

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Go Hosohara
2017-04-13 12:31:52 +09:00
parent 0cebc2172c
commit fe215c4a57
2 changed files with 33 additions and 23 deletions
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39
src/ssl.c
View File

@ -15794,28 +15794,37 @@ void wolfSSL_DES_set_odd_parity(WOLFSSL_DES_cblock* myDes)
#ifdef WOLFSSL_DES_ECB
/* Encrpyt or decrypt input message desa with key and get output in desb.
* if enc is DES_ENCRYPT,input message is encrypted or
* if enc is DES_DECRYPT,input message is decrypted.
* */
void wolfSSL_DES_ecb_encrypt(WOLFSSL_DES_cblock* desa,
WOLFSSL_DES_cblock* desb, WOLFSSL_DES_key_schedule* key, int enc)
{
WOLFSSL_ENTER("wolfSSL_DES_ecb_encrypt");
Des3 myDes;
if (desa == NULL || key == NULL || desb == NULL || (enc != DES_ENCRYPT && enc != DES_DECRYPT)){
Des myDes;
if (desa == NULL || key == NULL || desb == NULL ||
(enc != DES_ENCRYPT && enc != DES_DECRYPT)) {
WOLFSSL_MSG("Bad argument passed to wolfSSL_DES_ecb_encrypt");
} else {
if (wc_Des3_SetKey(&myDes, (const byte*) key, (const byte*) NULL, !enc) != 0){
WOLFSSL_MSG("wc_Des3_SetKey return error.");
}
if (enc){
if (wc_Des3_EcbEncrypt(&myDes, (byte*) desb, (const byte*) desa, sizeof(desa)) != 0){
WOLFSSL_MSG("wc_Des3_EcbEncrpyt return error.");
}
} else {
if (wc_Des3_EcbDecrypt(&myDes, (byte*) desb, (const byte*) desa, sizeof(desa)) != 0){
WOLFSSL_MSG("wc_Des3_EcbDecrpyt return error.");
}
}
}
if (wc_Des_SetKey(&myDes, (const byte*) key,
(const byte*) NULL, !enc) != 0) {
WOLFSSL_MSG("wc_Des_SetKey return error.");
return;
}
if (enc){
if (wc_Des_EcbEncrypt(&myDes, (byte*) desb,
(const byte*) desa, sizeof(desa)) != 0){
WOLFSSL_MSG("wc_Des_EcbEncrpyt return error.");
}
} else {
if (wc_Des_EcbDecrypt(&myDes, (byte*) desb,
(const byte*) desa, sizeof(desa)) != 0){
WOLFSSL_MSG("wc_Des_EcbDecrpyt return error.");
}
}
}
}
#endif

17
tests/api.c
View File

@ -3036,18 +3036,19 @@ static void test_wolfSSL_DES_ecb_encrypt(void)
printf(testingFmt, "wolfSSL_DES_ecb_encrypt()");
memcpy(key,"12345678",sizeof(WOLFSSL_DES_key_schedule));
memcpy(input1, "Iamhuman",sizeof(WOLFSSL_DES_cblock));
memcpy(input2, "Whoisit?",sizeof(WOLFSSL_DES_cblock));
memset(output1, 0, sizeof(WOLFSSL_DES_cblock));
memset(output2, 0, sizeof(WOLFSSL_DES_cblock));
memset(back1, 0, sizeof(WOLFSSL_DES_cblock));
memset(back2, 0, sizeof(WOLFSSL_DES_cblock));
XMEMCPY(key,"12345678",sizeof(WOLFSSL_DES_key_schedule));
XMEMCPY(input1, "Iamhuman",sizeof(WOLFSSL_DES_cblock));
XMEMCPY(input2, "Whoisit?",sizeof(WOLFSSL_DES_cblock));
XMEMSET(output1, 0, sizeof(WOLFSSL_DES_cblock));
XMEMSET(output2, 0, sizeof(WOLFSSL_DES_cblock));
XMEMSET(back1, 0, sizeof(WOLFSSL_DES_cblock));
XMEMSET(back2, 0, sizeof(WOLFSSL_DES_cblock));
/* Encrypt messages */
wolfSSL_DES_ecb_encrypt(&input1,&output1,&key,DES_ENCRYPT);
wolfSSL_DES_ecb_encrypt(&input2,&output2,&key,DES_ENCRYPT);
// Decrypt messages
/* Decrypt messages */
int ret1 = 0;
int ret2 = 0;
wolfSSL_DES_ecb_encrypt(&output1,&back1,&key,DES_DECRYPT);