void BSafe::BSafeContext::setRandom() { if (bsRandom == NULL) { check(B_CreateAlgorithmObject(&bsRandom)); check(B_SetAlgorithmInfo(bsRandom, AI_X962Random_V0, NULL_PTR)); check(B_RandomInit(bsRandom, chooser(), bsSurrender)); uint8 seed[BSAFE_RANDSIZE]; session().getRandomBytes(BSAFE_RANDSIZE, seed); check(B_RandomUpdate(bsRandom, seed, sizeof(seed), bsSurrender)); } }
int main(int argc, char *argv[]) { int status; int keySize = argv[1] ? atoi(argv[1]) : 512; printf("Key size = %d bits\n", keySize); B_ALGORITHM_OBJ pGen = NULL; check(B_CreateAlgorithmObject(&pGen)); B_DSA_PARAM_GEN_PARAMS gParams; gParams.primeBits = keySize; check(B_SetAlgorithmInfo(pGen, AI_DSAParamGen, POINTER(&gParams))); B_ALGORITHM_OBJ random = NULL; check(B_CreateAlgorithmObject(&random)); check(B_SetAlgorithmInfo(random, AI_X962Random_V0, NULL)); check(B_RandomInit(random, chooser, NULL)); check(B_RandomUpdate(random, seed, sizeof(seed), NULL)); check(B_GenerateInit(pGen, chooser, NULL)); B_ALGORITHM_OBJ result = NULL; check(B_CreateAlgorithmObject(&result)); printf("Generating DSA parameters\n"); check(B_GenerateParameters(pGen, result, random, NULL)); printf("DSA generate complete, writing...\n"); A_DSA_PARAMS *dParams; memset(&dParams, 0, sizeof(dParams)); check(B_GetAlgorithmInfo((POINTER *)&dParams, result, AI_DSAKeyGen)); dumpItem(dParams->prime, "prime"); dumpItem(dParams->subPrime, "subprime"); dumpItem(dParams->base, "base"); #if 0 B_KEY_OBJ pubKey = NULL; check(B_CreateKeyObject(&pubKey)); B_KEY_OBJ privKey = NULL; check(B_CreateKeyObject(&privKey)); B_ALGORITHM_OBJ gen = NULL; check(B_CreateAlgorithmObject(&gen)); A_RSA_KEY_GEN_PARAMS args; args.modulusBits = keySize; args.publicExponent.data = exponent; args.publicExponent.len = sizeof(exponent); check(B_SetAlgorithmInfo(gen, AI_RSAStrongKeyGen, POINTER(&args))); check(B_GenerateInit(gen, chooser, NULL)); check(B_GenerateKeypair(gen, pubKey, privKey, random, NULL)); B_ALGORITHM_OBJ enc = NULL; check(B_CreateAlgorithmObject(&enc)); check(B_SetAlgorithmInfo(enc, AI_PKCS_RSAPublic, NULL)); check(B_EncryptInit(enc, pubKey, chooser, NULL)); unsigned int inLen; check(B_EncryptUpdate(enc, crypt, &inLen, sizeof(crypt), POINTER(in), sizeof(in), random, NULL)); printf("EncryptUpdate output = %u\n", inLen); check(B_EncryptFinal(enc, crypt, &inLen, sizeof(crypt), random, NULL)); printf("EncryptFinal output=%u\n", inLen); B_ALGORITHM_OBJ dec = NULL; check(B_CreateAlgorithmObject(&dec)); check(B_SetAlgorithmInfo(dec, AI_PKCS_RSAPrivate, NULL)); check(B_DecryptInit(dec, privKey, chooser, NULL)); unsigned int outLen, outLen2; check(B_DecryptUpdate(dec, out, &outLen, sizeof(out), crypt, inLen, random, NULL)); printf("DecryptUpdate output = %u\n", outLen); check(B_DecryptFinal(dec, out2, &outLen2, sizeof(out2), random, NULL)); printf("DecryptFinal output=%u %s\n", outLen2, (char*)out2); B_DestroyKeyObject(&pubKey); B_DestroyKeyObject(&privKey); #endif exit(0); }