-/**
-A test function to validate that the polarssl-function works the same
-was as the openssl-implementation.
-Commented out, since it requires openssl
-
-int CmdTestDES(const char * cmd)
-{
- uint8_t key[16] = {0x00};
-
- memcpy(key,key3_3des_data,16);
- DES_cblock RndA, RndB;
-
- PrintAndLog("----------OpenSSL DES implementation----------");
- {
- uint8_t e_RndB[8] = {0x00};
- unsigned char RndARndB[16] = {0x00};
-
- DES_cblock iv = { 0 };
- DES_key_schedule ks1,ks2;
- DES_cblock key1,key2;
-
- memcpy(key,key3_3des_data,16);
- memcpy(key1,key,8);
- memcpy(key2,key+8,8);
-
-
- DES_set_key((DES_cblock *)key1,&ks1);
- DES_set_key((DES_cblock *)key2,&ks2);
-
- DES_random_key(&RndA);
- PrintAndLog(" RndA:%s",sprint_hex(RndA, 8));
- PrintAndLog(" e_RndB:%s",sprint_hex(e_RndB, 8));
- //void DES_ede2_cbc_encrypt(const unsigned char *input,
- // unsigned char *output, long length, DES_key_schedule *ks1,
- // DES_key_schedule *ks2, DES_cblock *ivec, int enc);
- DES_ede2_cbc_encrypt(e_RndB,RndB,sizeof(e_RndB),&ks1,&ks2,&iv,0);
-
- PrintAndLog(" RndB:%s",sprint_hex(RndB, 8));
- rol(RndB,8);
- memcpy(RndARndB,RndA,8);
- memcpy(RndARndB+8,RndB,8);
- PrintAndLog(" RA+B:%s",sprint_hex(RndARndB, 16));
- DES_ede2_cbc_encrypt(RndARndB,RndARndB,sizeof(RndARndB),&ks1,&ks2,&e_RndB,1);
- PrintAndLog("enc(RA+B):%s",sprint_hex(RndARndB, 16));
-
- }
- PrintAndLog("----------PolarSSL implementation----------");
- {
- uint8_t random_a[8] = { 0 };
- uint8_t enc_random_a[8] = { 0 };
- uint8_t random_b[8] = { 0 };
- uint8_t enc_random_b[8] = { 0 };
- uint8_t random_a_and_b[16] = { 0 };
- des3_context ctx = { 0 };
-
- memcpy(random_a, RndA,8);
-
- uint8_t output[8] = { 0 };
- uint8_t iv[8] = { 0 };
-
- PrintAndLog(" RndA :%s",sprint_hex(random_a, 8));
- PrintAndLog(" e_RndB:%s",sprint_hex(enc_random_b, 8));
-
- des3_set2key_dec(&ctx, key);
-
- des3_crypt_cbc(&ctx // des3_context *ctx
- , DES_DECRYPT // int mode
- , sizeof(random_b) // size_t length
- , iv // unsigned char iv[8]
- , enc_random_b // const unsigned char *input
- , random_b // unsigned char *output
- );
-
- PrintAndLog(" RndB:%s",sprint_hex(random_b, 8));
-
- rol(random_b,8);
- memcpy(random_a_and_b ,random_a,8);
- memcpy(random_a_and_b+8,random_b,8);
-
- PrintAndLog(" RA+B:%s",sprint_hex(random_a_and_b, 16));
-
- des3_set2key_enc(&ctx, key);
-
- des3_crypt_cbc(&ctx // des3_context *ctx
- , DES_ENCRYPT // int mode
- , sizeof(random_a_and_b) // size_t length
- , enc_random_b // unsigned char iv[8]
- , random_a_and_b // const unsigned char *input
- , random_a_and_b // unsigned char *output
- );
-
- PrintAndLog("enc(RA+B):%s",sprint_hex(random_a_and_b, 16));
- }
- return 0;
-}
-**/