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unit_test.c
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unit_test.c
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/*! @file unit_test.c
* @brief This program tests the LowMC implementation against known answers.
*
* This file is part of the reference implementation of the Picnic signature scheme.
* See the accompanying documentation for complete details.
*
* The code is provided under the MIT license, see LICENSE for
* more details.
* SPDX-License-Identifier: MIT
*/
#include "picnic_impl.h"
#include "picnic3_impl.h"
#include "picnic.h"
#include <stdio.h>
#include <memory.h>
#include <assert.h>
// The test vectors in test_sign* depend on this value
static const uint8_t MSG[500] = { 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,};
#define MSG_LEN sizeof(MSG)
// internal function from picnic.c:
int get_param_set(picnic_params_t picnicParams, paramset_t* paramset);
#if 0
int printNewKeypair(picnic_params_t parameters)
{
/* Generate, serialize and pring a keypair to stdout */
picnic_publickey_t pk;
picnic_privatekey_t sk;
int ret = 0;
printf("Creating new key pair for parameter set: %s\n", picnic_get_param_name(parameters) );
ret = picnic_keygen(parameters, &pk, &sk);
if (ret != 0) {
printf("picnic_keygen failed\n");
exit(-1);
}
printf(" success\n");
uint8_t pk_b[PICNIC_MAX_PUBLICKEY_SIZE];
ret = picnic_write_public_key(&pk, pk_b, sizeof(pk_b));
if (ret <= 0) {
printf("Failed to serialize public key\n");
exit(-1);
}
printHex("pk", pk_b, ret);
uint8_t sk_b[PICNIC_MAX_PRIVATEKEY_SIZE];
ret = picnic_write_private_key(&sk, sk_b, sizeof(sk_b));
if (ret <= 0) {
printf("Failed to write private key\n");
exit(-1);
}
printHex("sk", sk_b, ret);
return 0;
}
#endif
int run_lowmc_enc_test(picnic_params_t param_name, const char* testname, const uint8_t* key, const uint8_t* plaintext, const uint8_t* ciphertext_expected)
{
paramset_t paramset;
uint8_t ciphertext_actual[32] = { 0 }; /* For all parameter sets the LowMC ciphertext is not more than 32 bytes */
int ret = get_param_set(param_name, ¶mset);
if (ret != 0) {
printf("%s: Failed to get paramset\n", testname);
return 0;
}
LowMCEnc((uint32_t*)plaintext, (uint32_t*)ciphertext_actual, (uint32_t*)key, ¶mset);
if (memcmp(ciphertext_expected, ciphertext_actual, paramset.stateSizeBytes) != 0) {
printf("%s: failed, encryption produced wrong ciphertext\n", testname);
printf("Got: ");
for(size_t i = 0; i < paramset.stateSizeBytes; i++) {
printf("%02X, ", ciphertext_actual[i]);
}
printf("\nExpected: ");
for(size_t i = 0; i < paramset.stateSizeBytes; i++) {
printf("%02X, ", ciphertext_expected[i]);
}
printf("\n");
return 0;
}
return 1;
}
int LowMC_test_vectorL1_1()
{
uint8_t key[16] = { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t plaintext[16] = { 0xAB, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t ciphertext_expected[16] = { 0x0E, 0x30, 0x72, 0x0B, 0x9F, 0x64, 0xD5, 0xC2, 0xA7, 0x77, 0x1C, 0x8C, 0x23, 0x8D, 0x8F, 0x70 };
return run_lowmc_enc_test(Picnic_L1_FS, __func__, key, plaintext, ciphertext_expected);
}
int LowMC_test_vectorL1_2()
{
uint8_t key[16] = { 0xB5, 0xDF, 0x53, 0x7B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t plaintext[16] = { 0xF7, 0x7D, 0xB5, 0x7B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t ciphertext_expected[16] = { 0x0E, 0x59, 0x61, 0xE9, 0x99, 0x21, 0x53, 0xB1, 0x32, 0x45, 0xAF, 0x24, 0x3D, 0xD7, 0xDD, 0xC0 };
return run_lowmc_enc_test(Picnic_L1_FS, __func__, key, plaintext, ciphertext_expected);
}
int LowMC_test_vectorL1_3()
{
uint8_t key[16] = { 0x08, 0x4c, 0x2a, 0x6e, 0x19, 0x5d, 0x3b, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t plaintext[16] = { 0xf7, 0xb3, 0xd5, 0x91, 0xe6, 0xa2, 0xc4, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t ciphertext_expected[16] = { 0x91, 0x5c, 0x63, 0x21, 0xd7, 0x86, 0x46, 0xb6, 0xc7, 0x65, 0x43, 0xff, 0xb8, 0x52, 0x3b, 0x4d };
return run_lowmc_enc_test(Picnic_L1_FS, __func__, key, plaintext, ciphertext_expected);
}
int LowMC_test_vectorL3_1()
{
uint8_t key[24] = { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t plaintext[24] = { 0xAB, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t ciphertext_expected[24] = { 0xA8, 0x5B, 0x82, 0x44, 0x34, 0x4A, 0x2E, 0x1B, 0x10, 0xA1, 0x7B, 0xAB, 0x04, 0x30, 0x73, 0xF6, 0xBB, 0x64, 0x9A, 0xE6, 0xAF, 0x65, 0x9F, 0x6F };
return run_lowmc_enc_test(Picnic_L3_FS, __func__, key, plaintext, ciphertext_expected);
}
int LowMC_test_vectorL3_2()
{
uint8_t key[24] = { 0xB5, 0xDF, 0x53, 0x7B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t plaintext[24] = { 0xF7, 0x7D, 0xB5, 0x7B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t ciphertext_expected[24] = { 0x21, 0x0B, 0xBC, 0x4A, 0x43, 0x4B, 0x32, 0xDB, 0x1E, 0x85, 0xAE, 0x7A, 0x27, 0xFE, 0xE9, 0xE4, 0x15, 0x82, 0xFA, 0xC2, 0x1D, 0x03, 0x5A, 0xA1 };
return run_lowmc_enc_test(Picnic_L3_FS, __func__, key, plaintext, ciphertext_expected);
}
int LowMC_test_vectorL3_3()
{
uint8_t key[24] = { 0xF7, 0x7D, 0xB5, 0x7B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t plaintext[24] = { 0xB5, 0xDF, 0x53, 0x7B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t ciphertext_expected[24] = { 0xE4, 0x82, 0xBC, 0xF9, 0xAD, 0x2C, 0x04, 0x48, 0x31, 0x48, 0xD4, 0x6F, 0xBE, 0x1F, 0x8B, 0x51, 0x46, 0x0D, 0xCC, 0x3E, 0x8E, 0xFB, 0x31, 0x01 };
return run_lowmc_enc_test(Picnic_L3_FS, __func__, key, plaintext, ciphertext_expected);
}
int LowMC_test_vectorL5_1()
{
uint8_t key[32] = { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t plaintext[32] = { 0xAB, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t ciphertext_expected[32] = { 0xB8, 0xF2, 0x0A, 0x88, 0x8A, 0x0A, 0x9E, 0xC4, 0xE4, 0x95, 0xF1, 0xFB, 0x43, 0x9A, 0xBD, 0xDE, 0x18, 0xC1, 0xD3, 0xD2, 0x9C, 0xF2, 0x0D, 0xF4, 0xB1, 0x0A, 0x56, 0x7A, 0xA0, 0x2C, 0x72, 0x67 };
return run_lowmc_enc_test(Picnic_L5_FS, __func__, key, plaintext, ciphertext_expected);
}
int LowMC_test_vectorL5_2()
{
uint8_t key[32] = { 0xF7, 0x7D, 0xB5, 0x7B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t plaintext[32] = { 0xB5, 0xDF, 0x53, 0x7B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t ciphertext_expected[32] = { 0xEE, 0xEC, 0xCE, 0x6A, 0x58, 0x4A, 0x93, 0x30, 0x6D, 0xAE, 0xA0, 0x75, 0x19, 0xB4, 0x7A, 0xD6, 0x40, 0x2C, 0x11, 0xDD, 0x94, 0x2A, 0xA3, 0x16, 0x65, 0x41, 0x44, 0x49, 0x77, 0xA2, 0x14, 0xC5 };
return run_lowmc_enc_test(Picnic_L5_FS, __func__, key, plaintext, ciphertext_expected);
}
int LowMC_test_vectorL5_3()
{
uint8_t key[32] = { 0xB5, 0xDF, 0x53, 0x7B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t plaintext[32] = { 0xF7, 0x7D, 0xB5, 0x7B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
uint8_t ciphertext_expected[32] = { 0x03, 0x37, 0x33, 0x26, 0xC0, 0xF5, 0x0E, 0x3B, 0x6B, 0x2E, 0x1C, 0xE8, 0xF9, 0x43, 0x0F, 0xF5, 0xEB, 0x0E, 0xC3, 0x45, 0xC7, 0x27, 0xA4, 0x74, 0x8F, 0xCF, 0x73, 0x17, 0x9D, 0x48, 0xE7, 0x9B };
return run_lowmc_enc_test(Picnic_L5_FS, __func__, key, plaintext, ciphertext_expected);
}
int LowMC_test_vectorL1_129_1()
{
const uint8_t key[17] = {0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0};
const uint8_t plaintext[17] = {0xab, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0};
const uint8_t ciphertext_expected[17] = {0x2f, 0xd7, 0xd5, 0x42, 0x5e, 0xe3, 0x5e, 0x66, 0x7c, 0x97, 0x2f, 0x12, 0xfb, 0x15, 0x3e, 0x9d, 0x80};
return run_lowmc_enc_test(Picnic3_L1, __func__, key, plaintext, ciphertext_expected);
}
static int LowMC_test_vectorL1_129_2(void) {
const uint8_t key[17] = { 0xab, 0x22, 0x42, 0x51, 0x49, 0xaa, 0x61, 0x2d, 0x7f, 0xff, 0x13, 0x72, 0x20, 0x27, 0x5b, 0x16, 0x80 };
const uint8_t plaintext[17] = { 0x4b, 0x99, 0x23, 0x53, 0xa6, 0x6, 0x65, 0xbf, 0x99, 0x2d, 0x3, 0x54, 0x82, 0xc1, 0xd2, 0x79, 0x00 };
const uint8_t ciphertext_expected[17] = { 0x2a, 0x40, 0x62, 0xd8, 0x35, 0xc5, 0x93, 0xea, 0x19, 0xf8, 0x22, 0xad, 0x24, 0x24, 0x77, 0xd2, 0x80 };
return run_lowmc_enc_test(Picnic3_L1, __func__, key, plaintext, ciphertext_expected);
}
static int LowMC_test_vectorL1_129_3(void) {
const uint8_t key[17] = { 0xe7, 0x3a, 0xf2, 0x9c, 0xfc, 0x7a, 0xe5, 0x3e, 0x52, 0x20, 0xd3, 0x1e, 0x2e, 0x59, 0x17, 0xda, 0x80 };
const uint8_t plaintext[17] = { 0x30, 0x4b, 0xa7, 0xa8, 0xde, 0x2b, 0x5c, 0xf8, 0x87, 0xf9, 0xa4, 0x8a, 0xb7, 0x56, 0x1b, 0xf6, 0x80 };
const uint8_t ciphertext_expected[17] = { 0x5c, 0xd2, 0xc3, 0x55, 0x32, 0x8e, 0xfd, 0xe9, 0xf3, 0x78, 0xc1, 0x61, 0x23, 0xd3, 0x3f, 0xb3, 0x00 };
return run_lowmc_enc_test(Picnic3_L1, __func__, key, plaintext, ciphertext_expected);
}
static int LowMC_test_vectorL1_129_4(void) {
const uint8_t key[17] = { 0x30, 0xf3, 0x34, 0x88, 0x53, 0x2d, 0x7e, 0xb8, 0xa5, 0xf8, 0xfb, 0x4f, 0x2e, 0x63, 0xba, 0x56, 0x00 };
const uint8_t plaintext[17] = { 0xc2, 0x6a, 0x5d, 0xf9, 0x6, 0x15, 0x8d, 0xcb, 0x6a, 0xc7, 0x89, 0x1d, 0xa9, 0xf4, 0x9f, 0x78, 0x00 };
const uint8_t ciphertext_expected[17] = { 0xb, 0x43, 0xb6, 0x5f, 0x7c, 0x53, 0x50, 0x6, 0xcf, 0x27, 0xe8, 0x6f, 0x55, 0x1b, 0xd0, 0x15, 0x80 };
return run_lowmc_enc_test(Picnic3_L1, __func__, key, plaintext, ciphertext_expected);
}
static int LowMC_test_vectorL3_192_1(void) {
const uint8_t key[24] = { 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 };
const uint8_t plaintext[24] = { 0xab, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 };
const uint8_t ciphertext_expected[24] = { 0xf8, 0xf7, 0xa2, 0x25, 0xde, 0x77, 0x12, 0x31, 0x29, 0x10, 0x7a, 0x20, 0xf5, 0x54, 0x3a, 0xfa, 0x78, 0x33, 0x7, 0x66, 0x53, 0xba, 0x2b, 0x29 };
return run_lowmc_enc_test(Picnic3_L3, __func__, key, plaintext, ciphertext_expected);
}
static int LowMC_test_vectorL3_192_2(void) {
const uint8_t key[24] = { 0x81, 0xb8, 0x5d, 0xfe, 0x40, 0xf6, 0x12, 0x27, 0x5a, 0xa3, 0xf9, 0x19, 0x91, 0x39, 0xeb, 0xaa, 0xe8, 0xdf, 0xf8, 0x36, 0x6f, 0x2d, 0xd3, 0x4e };
const uint8_t plaintext[24] = { 0xb8, 0x65, 0xcc, 0xf3, 0xfc, 0xda, 0x8d, 0xdb, 0xed, 0x52, 0x7d, 0xc3, 0x4d, 0xd4, 0x15, 0xd, 0x4a, 0x48, 0x2d, 0xcb, 0xf7, 0xe9, 0x64, 0x3c };
const uint8_t ciphertext_expected[24] = { 0x95, 0xef, 0x9e, 0xd7, 0xc3, 0x78, 0x72, 0xa7, 0xb4, 0x60, 0x2a, 0x3f, 0xa9, 0xc4, 0x6e, 0xbc, 0xb8, 0x42, 0x54, 0xed, 0xe, 0x44, 0xee, 0x9f };
return run_lowmc_enc_test(Picnic3_L3, __func__, key, plaintext, ciphertext_expected);
}
static int LowMC_test_vectorL3_192_3(void) {
const uint8_t key[24] = { 0x24, 0x5, 0x97, 0x8f, 0xda, 0xad, 0x9b, 0x6d, 0x8d, 0xcd, 0xd1, 0x8a, 0xc, 0x2c, 0xe, 0xc6, 0x8b, 0x69, 0xdd, 0xa, 0x37, 0x54, 0xfe, 0x38, };
const uint8_t plaintext[24] = { 0x33, 0xe8, 0xb4, 0x55, 0x2e, 0x95, 0xef, 0x52, 0x79, 0x49, 0x77, 0x6, 0xbc, 0xe0, 0x1e, 0xcb, 0x4a, 0xcb, 0x86, 0x1, 0x41, 0xb7, 0xfc, 0x43, };
const uint8_t ciphertext_expected[24] = { 0xdd, 0xaf, 0xf, 0x9d, 0x9e, 0xdd, 0x57, 0x20, 0x69, 0xa8, 0x94, 0x9f, 0xae, 0xa0, 0xd1, 0xfd, 0x2d, 0x91, 0xef, 0x26, 0x2b, 0x41, 0x1c, 0xaf, };
return run_lowmc_enc_test(Picnic3_L3, __func__, key, plaintext, ciphertext_expected);
}
static int LowMC_test_vectorL3_192_4(void) {
const uint8_t key[24] = { 0x56, 0x9d, 0x7d, 0x82, 0x23, 0x0, 0x94, 0x3d, 0x94, 0x83, 0x47, 0x74, 0x27, 0xe8, 0x8e, 0xa2, 0x27, 0xa2, 0xe3, 0x17, 0x2c, 0x4, 0xbc, 0xd3};
const uint8_t plaintext[24] = { 0xae, 0xeb, 0x9d, 0x5b, 0x61, 0xa2, 0xa5, 0x6d, 0xd5, 0x98, 0xf7, 0xda, 0x26, 0xdf, 0xd7, 0x8c, 0xc9, 0x92, 0xe0, 0xae, 0xa3, 0xfc, 0x2e, 0x39 };
const uint8_t ciphertext_expected[24] = { 0x86, 0x98, 0x70, 0xae, 0x65, 0x47, 0xad, 0xa, 0xfe, 0xf2, 0x77, 0x93, 0x17, 0xd, 0x96, 0xbc, 0x78, 0xe0, 0x40, 0x9, 0x69, 0x44, 0x80, 0x8f };
return run_lowmc_enc_test(Picnic3_L3, __func__, key, plaintext, ciphertext_expected);
}
static int LowMC_test_vectorL5_255_1(void) {
const uint8_t key[32] = { 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 };
const uint8_t plaintext[32] = { 0xab, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 };
const uint8_t ciphertext_expected[32] = { 0xd4, 0x72, 0x1d, 0x84, 0x6d, 0xd1, 0x4d, 0xba, 0x3a, 0x2c, 0x41, 0x50, 0x1c, 0x2, 0xda, 0x28, 0x2e, 0xca, 0xfd, 0x72, 0xdf, 0x77, 0x99, 0x2f, 0x39, 0x67, 0xef, 0xd6, 0xe8, 0xf3, 0xf3, 0x56 };
return run_lowmc_enc_test(Picnic3_L5, __func__, key, plaintext, ciphertext_expected);
}
static int LowMC_test_vectorL5_255_2(void) {
const uint8_t key[32] = { 0x7c, 0x20, 0xbe, 0x53, 0xb6, 0xd6, 0x0, 0x81, 0x49, 0xe1, 0x9a, 0x34, 0xb9, 0x7d, 0x96, 0x84, 0xa0, 0x91, 0x4c, 0xaf,0x9f, 0x7f, 0x38, 0xb2, 0x49, 0x98, 0x11, 0x36, 0x9c, 0x3f, 0x53, 0xda};
const uint8_t plaintext[32] = { 0x88, 0x63, 0xf1, 0x29, 0xc0, 0x38, 0x7a,0xe5, 0xa4, 0x2, 0xa4, 0x9b, 0xd6, 0x49, 0x27, 0xc4, 0xc6, 0x59, 0x64,0xfb, 0x85, 0x31, 0xb0, 0xd7, 0x61, 0xb1, 0x61, 0xb4, 0xc9, 0x7b, 0x75,0x5e, };
const uint8_t ciphertext_expected[32] = { 0x3, 0xb6, 0xe4, 0xb6, 0x3c, 0xc8,0xb0, 0x82, 0x68, 0xb6, 0x78, 0x1d, 0x5a, 0x62, 0x9d, 0x6e, 0x3, 0x2,0xc, 0x1c, 0x4, 0x8d, 0x46, 0x84, 0x16, 0x1b, 0x90, 0xad, 0x73, 0x33,0x91, 0x26, };
return run_lowmc_enc_test(Picnic3_L5, __func__, key, plaintext, ciphertext_expected);
}
static int LowMC_test_vectorL5_255_3(void) {
const uint8_t key[32] = {0x6d, 0xf9, 0xe7, 0x8d, 0xf, 0xc1, 0xb8, 0x70, 0xda, 0xbe, 0x52,0x5, 0x14, 0xb9, 0x59, 0x63, 0x6a, 0x42, 0x30, 0x4b, 0xf4, 0x3a,0x24, 0x8, 0x52, 0x45, 0x6, 0xc8, 0x1e, 0xa3, 0xb, 0x14};
const uint8_t plaintext[32] = {0x9e, 0x51, 0x78, 0x42, 0x5, 0x20, 0xb8, 0xcc, 0xa5, 0x29, 0x59,0x5b, 0x80, 0xc4, 0x70, 0x3b, 0x2d, 0xcf, 0x2a, 0x7, 0x30, 0x64,0x3a, 0x6f, 0x41, 0x27, 0x98, 0x60, 0x5f, 0x5, 0x2b, 0x68};
const uint8_t ciphertext_expected[32] = {0xf, 0x19, 0xfc, 0xc8, 0xbc, 0x18, 0x86, 0x9a, 0xab, 0x8e, 0x4f,0xe8, 0x1e, 0x97, 0x67, 0xd1, 0x8c, 0xfe, 0x71, 0x50, 0x81, 0x92,0x9f, 0x92, 0x96, 0x3b, 0x40, 0x0, 0x0, 0x6, 0x26, 0xf8};
return run_lowmc_enc_test(Picnic3_L5, __func__, key, plaintext, ciphertext_expected);
}
static int LowMC_test_vectorL5_255_4(void) {
const uint8_t key[32] = {0xb0, 0x71, 0xc6, 0xd4, 0xa3, 0x77, 0xe5, 0x51, 0x25, 0x4c, 0x5d,0xc4, 0x1, 0xa3, 0xd0, 0x8a, 0xcb, 0x99, 0x60, 0x9f, 0x41, 0x8a,0x8c, 0x22, 0x7, 0xf5, 0x12, 0x2b, 0x5a, 0x17, 0xfe, 0x9a,};
const uint8_t plaintext[32] = {0xf7, 0x61, 0x6d, 0xc5, 0x14, 0xfd, 0xe, 0x10, 0x28, 0x56, 0x1d,0x9, 0x8a, 0xaf, 0xa5, 0x4c, 0x34, 0xbe, 0x72, 0x8c, 0xf2, 0x4a,0x50, 0x24, 0xdf, 0x17, 0xb9, 0xcc, 0x2e, 0x33, 0xfb, 0xfa,};
const uint8_t ciphertext_expected[32] = {0x44, 0x48, 0xc7, 0xa, 0xc3, 0x86, 0x30, 0x21, 0xbe, 0x23, 0x2c, 0x63, 0x38, 0x16, 0x87, 0xcd,0x5d, 0xef, 0xb5, 0xb, 0xa2, 0x8d, 0x7b, 0x26, 0x8e, 0x19, 0x72, 0x7b, 0xae, 0xbc, 0x67, 0x9a,};
return run_lowmc_enc_test(Picnic3_L5, __func__, key, plaintext, ciphertext_expected);
}
int test_serialization_L1()
{
picnic_publickey_t pk;
picnic_privatekey_t sk;
picnic_publickey_t pk2;
picnic_privatekey_t sk2;
uint8_t pk_buf[PICNIC_MAX_PUBLICKEY_SIZE];
uint8_t sk_buf[PICNIC_MAX_PRIVATEKEY_SIZE];
int ret = picnic_keygen(Picnic_L1_FS, &pk, &sk);
if(ret != 0) {
printf("Keygen failed, %d\n", ret);
return 0;
}
ret = picnic_write_public_key(&pk, pk_buf, sizeof(pk_buf));
if(ret <= 1) {
printf("Failed to serialize public key\n");
return 0;
}
ret = picnic_write_private_key(&sk, sk_buf, sizeof(sk_buf));
if(ret <= 1) {
printf("Failed to serialize private key\n");
return 0;
}
ret = picnic_read_public_key(&pk2, pk_buf, sizeof(pk_buf));
if(ret != 0) {
printf("Failed to read public key\n");
return 0;
}
ret = picnic_read_private_key(&sk2, sk_buf, sizeof(sk_buf));
if(ret != 0) {
printf("Failed to read private key\n");
return 0;
}
ret = picnic_validate_keypair(&sk2, &pk2);
if(ret != 0) {
printf("Failed to validate key pair 2\n");
return 0;
}
ret = picnic_validate_keypair(&sk2, &pk);
if(ret != 0) {
printf("Failed to validate key pair 3\n");
return 0;
}
ret = picnic_validate_keypair(&sk, &pk2);
if(ret != 0) {
printf("Failed to validate key pair 4\n");
return 0;
}
return 1;
}
int test_serialize_roundtrip_picnic3(picnic_params_t parameters)
{
picnic_publickey_t pk;
picnic_privatekey_t sk;
paramset_t paramset;
signature2_t sig, sig2;
int ret = get_param_set(parameters, ¶mset);
if (ret != 0) {
printf("invalid parameter set\n");
return 0;
}
ret = picnic_keygen(parameters, &pk, &sk);
if (ret != 0) {
printf("picnic_keygen failed\n");
return 0;
}
uint8_t message[MSG_LEN];
memset(message, 0x07, sizeof(message));
uint8_t* signature = NULL;
size_t signature_len = picnic_signature_size(parameters);
signature = (uint8_t*)malloc(signature_len);
if (signature == NULL) {
printf("failed to allocate signature\n");
return 0;
}
allocateSignature2(&sig, ¶mset);
/* Compute a signature, then check that serialize(deserialize(sig)) == serialize(sig) */
ret = sign_picnic3((uint32_t*)sk.data, (uint32_t*)sk.pk.ciphertext, (uint32_t*)sk.pk.plaintext, message, MSG_LEN, &sig, ¶mset);
if (ret != EXIT_SUCCESS) {
printf("%s: sign failed\n", __func__);
return 0;
}
ret = serializeSignature2(&sig, signature, signature_len, ¶mset);
if (ret == -1) {
printf("%s: serialize failed\n", __func__);
return 0;
}
signature_len = ret;
allocateSignature2(&sig2, ¶mset);
ret = deserializeSignature2(&sig2, signature, signature_len, ¶mset);
if (ret != EXIT_SUCCESS) {
printf("%s: deserialize failed\n", __func__);
return 0;
}
uint8_t* signature2 = (uint8_t*)malloc(signature_len);
if (signature2 == NULL) {
printf("%s: failed to allocate signature\n", __func__);
return 0;
}
ret = serializeSignature2(&sig2, signature2, signature_len, ¶mset);
if (ret == -1) {
printf("%s: serialize failed (2)\n", __func__);
return 0;
}
if(memcmp(signature, signature2, signature_len) != 0) {
printf("Round-trip serialization test failed (params %u)\n", (unsigned int)parameters);
// printHex("Sig one", signature, signature_len);
// printHex("Sig two", signature2, signature_len);
return 0;
}
free(signature);
free(signature2);
freeSignature2(&sig, ¶mset);
freeSignature2(&sig2, ¶mset);
return 1;
}
static int contains(uint16_t* list, size_t len, size_t value)
{
for (size_t i = 0; i < len; i++) {
if (list[i] == value) {
return 1;
}
}
return 0;
}
static int indexOf(uint16_t* list, size_t len, size_t value)
{
for (size_t i = 0; i < len; i++) {
if (list[i] == value) {
return i;
}
}
assert(!"indexOf called on list where value is not found. (caller bug)");
return -1;
}
static int compare_proofs(proof2_t* proof1, proof2_t* proof2, paramset_t* params, int compare_aux)
{
if(proof1->seedInfoLen != proof2->seedInfoLen ||
memcmp(proof1->seedInfo, proof2->seedInfo, proof1->seedInfoLen) != 0) {
printf("%s: seedInfo differs\n", __func__);
return 1;
}
if(compare_aux) {
if(!(proof1->aux == NULL && proof2->aux == NULL)) {
if((proof1->aux == NULL && proof2->aux != NULL) ||
(proof2->aux == NULL && proof1->aux != NULL) ||
memcmp(proof1->aux, proof2->aux, params->andSizeBytes) != 0 ) {
printf("%s: aux differs\n", __func__);
printHex("aux1", proof1->aux, params->andSizeBytes);
printHex("aux2", proof2->aux, params->andSizeBytes);
return 1;
}
}
}
if(memcmp(proof1->C, proof2->C, params->digestSizeBytes) != 0) {
printf("%s: C differs\n", __func__);
return 1;
}
if(memcmp(proof1->input, proof2->input, params->stateSizeBytes) != 0) {
printf("%s: input differs\n", __func__);
printHex("input1", proof1->input, params->stateSizeBytes);
printHex("input2", proof2->input, params->stateSizeBytes);
return 1;
}
if(memcmp(proof1->msgs, proof2->msgs, params->andSizeBytes) != 0) {
printf("%s: msgs differs\n", __func__);
return 1;
}
return 0;
}
static int compare_signatures(signature2_t* sig1, signature2_t* sig2, paramset_t* params)
{
if(memcmp(sig1->salt, sig2->salt, params->saltSizeBytes) != 0) {
printf("%s: salt differs\n", __func__);
return 1;
}
if(sig1->iSeedInfoLen != sig2->iSeedInfoLen ||
memcmp(sig1->iSeedInfo, sig2->iSeedInfo, sig1->iSeedInfoLen) != 0 ) {
printf("%s: iSeedInfo differs\n", __func__);
return 1;
}
if(sig1->cvInfoLen != sig2->cvInfoLen ||
memcmp(sig1->cvInfo, sig2->cvInfo, sig1->cvInfoLen) != 0) {
printf("%s: iSeedInfo differs\n", __func__);
return 1;
}
if(memcmp(sig1->challengeC, sig2->challengeC, params->numOpenedRounds*sizeof(uint16_t)) != 0) {
printf("%s: challengeC differs\n", __func__);
return 1;
}
if(memcmp(sig1->challengeP, sig2->challengeP, params->numOpenedRounds*sizeof(uint16_t)) != 0) {
printf("%s: challengeP differs\n", __func__);
return 1;
}
for (size_t t = 0; t < params->numMPCRounds; t++) {
if (contains(sig1->challengeC, params->numOpenedRounds, t)) {
size_t P_t = sig1->challengeP[indexOf(sig1->challengeC, params->numOpenedRounds, t)];
int compare_aux = (P_t != (params->numMPCParties - 1));
if(compare_proofs(&sig1->proofs[t], &sig2->proofs[t], params, compare_aux) != 0) {
printf("%s: proofs %u differ\n", __func__, (unsigned int) t);
return 1;
}
}
}
return 0;
}
int test_sig_serialize_picnic3(picnic_params_t parameters)
{
picnic_publickey_t pk;
picnic_privatekey_t sk;
paramset_t paramset;
signature2_t sig, sig2;
int ret = get_param_set(parameters, ¶mset);
if (ret != 0) {
printf("invalid parameter set\n");
return 0;
}
ret = picnic_keygen(parameters, &pk, &sk);
if (ret != 0) {
printf("picnic_keygen failed\n");
return 0;
}
uint8_t message[MSG_LEN];
memset(message, 0x07, sizeof(message));
uint8_t* signature = NULL;
size_t signature_len = picnic_signature_size(parameters);
signature = (uint8_t*)malloc(signature_len);
if (signature == NULL) {
printf("failed to allocate signature\n");
return 0;
}
allocateSignature2(&sig, ¶mset);
/* Compute a signature object sig, then sig2 = deserialize(serialize(sig)), ensure sig == sig2 */
ret = sign_picnic3((uint32_t*)sk.data, (uint32_t*)sk.pk.ciphertext, (uint32_t*)sk.pk.plaintext, message, MSG_LEN, &sig, ¶mset);
if (ret != EXIT_SUCCESS) {
printf("%s: signing failed\n", __func__);
return 0;
}
ret = serializeSignature2(&sig, signature, signature_len, ¶mset);
if (ret == -1) {
printf("%s: serialization failed\n", __func__);
return 0;
}
signature_len = ret;
allocateSignature2(&sig2, ¶mset);
ret = deserializeSignature2(&sig2, signature, signature_len, ¶mset);
if (ret != EXIT_SUCCESS) {
printf("%s: deserialization failed\n", __func__);
return 0;
}
if( compare_signatures(&sig, &sig2, ¶mset) != 0) {
printf("%s: signatures differ\n", __func__);
return 0;
}
freeSignature2(&sig, ¶mset);
freeSignature2(&sig2, ¶mset);
free(signature);
return 1;
}
/* tests for deterministic picnic3 */
int do_test_sign(
uint8_t* pk_buf, size_t pk_buf_len,
uint8_t* sk_buf, size_t sk_buf_len,
uint8_t* expected_challenge, size_t expected_challenge_len,
uint8_t* expected_salt, size_t expected_salt_len,
size_t expected_sig_len)
{
picnic_publickey_t pk;
picnic_privatekey_t sk;
int ret = 0;
ret = picnic_read_public_key(&pk, pk_buf, pk_buf_len);
if (ret != 0) {
printf("%s: Failed to read public key\n", __func__);
return 0;
}
ret = picnic_read_private_key(&sk, sk_buf, sk_buf_len);
if (ret != 0) {
printf("%s: Failed to read private key\n", __func__);
return 0;
}
ret = picnic_validate_keypair(&sk, &pk);
if (ret != 0) {
printf("%s: Keypair invalid\n", __func__);
return 0;
}
uint8_t* signature = NULL;
size_t signature_len = picnic_signature_size(pk.params);
signature = (uint8_t*)malloc(signature_len);
if (signature == NULL) {
printf("%s: failed to allocate signature\n", __func__);
return 0;
}
ret = picnic_sign(&sk, MSG, MSG_LEN, signature, &signature_len);
if (ret != 0) {
printf("%s: picnic_sign failed (params = %d)\n", __func__, pk.params);
return 0;
}
if(signature_len != expected_sig_len) {
printf("%s: signature has length %lu bytes, but expected %lu (params = %d)\n", __func__, signature_len, expected_sig_len, pk.params);
return 0;
}
if(memcmp(signature, expected_challenge, expected_challenge_len) != 0) {
printf("%s: signature does not have the expected challenge value\n", __func__);
return 0;
}
if(memcmp(signature + expected_challenge_len, expected_salt, expected_salt_len) != 0) {
printf("%s: signature does not have the expected salt\n", __func__);
return 0;
}
ret = picnic_verify(&pk, MSG, MSG_LEN, signature, signature_len);
if (ret != 0) {
printf("%s: picnic_verify failed\n", __func__);
return 0;
}
free(signature);
return 1;
}
int test_sign_Picnic3_L1()
{
uint8_t pk[35] = {0x07, 0x8D, 0xCB, 0x2E, 0x06, 0x2E, 0xE1, 0x48, 0xF8, 0x81, 0xBD, 0xA2, 0xAD, 0x95, 0x39, 0x00, 0x31, 0x00, 0x05, 0xBB, 0x82, 0x75, 0xF0, 0x00, 0x5F, 0xAE, 0x73, 0x1C, 0xFE, 0x1A, 0xE6, 0xCA, 0xC6, 0x15, 0x00};
uint8_t sk[52] = {0x07, 0xA3, 0x4F, 0xEB, 0x0A, 0x24, 0x6F, 0xD7, 0xFC, 0x5B, 0xC6, 0x1E, 0x07, 0xFD, 0x73, 0x7A, 0xCF, 0x00, 0x8D, 0xCB, 0x2E, 0x06, 0x2E, 0xE1, 0x48, 0xF8, 0x81, 0xBD, 0xA2, 0xAD, 0x95, 0x39, 0x00, 0x31, 0x00, 0x05, 0xBB, 0x82, 0x75, 0xF0, 0x00, 0x5F, 0xAE, 0x73, 0x1C, 0xFE, 0x1A, 0xE6, 0xCA, 0xC6, 0x15, 0x00};
uint8_t expected_challenge[32] = {0x81, 0xE6, 0x74, 0x22, 0x2D, 0xC9, 0x77, 0xFF, 0xAB, 0xAC, 0x14, 0x71, 0xA5, 0xAB, 0xCB, 0xA5, 0x9D, 0x6E, 0x6B, 0x7A, 0x70, 0x5E, 0xE5, 0x16, 0xEF, 0x09, 0xD6, 0x30, 0x6C, 0x86, 0x41, 0x26};
uint8_t expected_salt[32] = {0xCE, 0x7F, 0x9E, 0x58, 0xE0, 0xCD, 0x54, 0x5D, 0xF9, 0x49, 0xDE, 0x41, 0xD0, 0x28, 0x56, 0x8A, 0xA6, 0xCB, 0x88, 0xEF, 0xC5, 0x06, 0x1D, 0xC7, 0xC7, 0x7A, 0xF8, 0x5A, 0xE0, 0x08, 0x7A, 0x1A};
size_t expected_sig_len = 12395;
return do_test_sign(pk, sizeof(pk), sk, sizeof(sk), expected_challenge, sizeof(expected_challenge), expected_salt, sizeof(expected_salt), expected_sig_len);
}
int test_sign_Picnic3_L3()
{
uint8_t pk[49] = {0x08, 0xAC, 0x52, 0x30, 0x73, 0x96, 0x70, 0x34, 0x7A, 0x12, 0x84, 0x0E, 0x58, 0x17, 0x6A, 0x5C, 0x88, 0x84, 0x71, 0xBC, 0x7E, 0xAF, 0x68, 0x7E, 0x5B, 0xCD, 0x5C, 0x79, 0xBE, 0x19, 0x5A, 0xEC, 0xF6, 0x55, 0x31, 0x96, 0xE0, 0x86, 0xA1, 0x7C, 0xD6, 0xE5, 0xB6, 0x0B, 0x37, 0x79, 0x16, 0x15, 0x24};
uint8_t sk[73] = {0x08, 0x98, 0xE1, 0x7B, 0xA4, 0x50, 0xA9, 0xF2, 0x5D, 0xC7, 0x48, 0x24, 0x4B, 0xF5, 0x3E, 0xE1, 0xB2, 0x8D, 0xA9, 0x6F, 0x17, 0xBC, 0xC3, 0x2F, 0xA0, 0xAC, 0x52, 0x30, 0x73, 0x96, 0x70, 0x34, 0x7A, 0x12, 0x84, 0x0E, 0x58, 0x17, 0x6A, 0x5C, 0x88, 0x84, 0x71, 0xBC, 0x7E, 0xAF, 0x68, 0x7E, 0x5B, 0xCD, 0x5C, 0x79, 0xBE, 0x19, 0x5A, 0xEC, 0xF6, 0x55, 0x31, 0x96, 0xE0, 0x86, 0xA1, 0x7C, 0xD6, 0xE5, 0xB6, 0x0B, 0x37, 0x79, 0x16, 0x15, 0x24};
uint8_t expected_challenge[48] = {0x2B, 0xAC, 0xC4, 0x1D, 0x18, 0x11, 0x97, 0x42, 0xA0, 0x92, 0xB9, 0xC6, 0x5F, 0x51, 0xE7, 0x85, 0x57, 0x59, 0x0F, 0x01, 0x30, 0x48, 0x30, 0xA5, 0x03, 0x35, 0x13, 0x72, 0x84, 0xDB, 0x47, 0x2B, 0x9F, 0x93, 0xB3, 0xF2, 0x3A, 0x91, 0x09, 0x5A, 0x38, 0x11, 0xC0, 0x82, 0xE2, 0xB8, 0xA8, 0x6E};
uint8_t expected_salt[32] = {0xA0, 0x8F, 0x16, 0xAF, 0x30, 0x3E, 0xD7, 0x79, 0xE6, 0x53, 0x6C, 0x9A, 0xE6, 0xE7, 0xC4, 0xC0, 0xB8, 0x64, 0xC1, 0xD6, 0xA4, 0x05, 0x70, 0x9A, 0x95, 0x76, 0xAF, 0x00, 0xAE, 0x00, 0x9C, 0xD9};
size_t expected_sig_len = 25712;
return do_test_sign(pk, sizeof(pk), sk, sizeof(sk), expected_challenge, sizeof(expected_challenge), expected_salt, sizeof(expected_salt), expected_sig_len);
}
int test_sign_Picnic3_L5()
{
uint8_t pk[65] = {0x09, 0x19, 0x75, 0x3E, 0x8D, 0x8F, 0xB6, 0x00, 0x5F, 0x6E, 0x2E, 0xA2, 0xB5, 0x4D, 0xA4, 0x3E, 0xD0, 0xAD, 0xAE, 0x0A, 0x2E, 0x53, 0x97, 0xA4, 0x7E, 0xEB, 0x8F, 0xB4, 0x33, 0x18, 0x30, 0x83, 0x52, 0xF9, 0x90, 0x33, 0x6B, 0x82, 0xC5, 0x03, 0xB9, 0x86, 0x36, 0x83, 0x34, 0xE7, 0x81, 0xD5, 0x04, 0x76, 0x40, 0x26, 0x21, 0x25, 0x48, 0x39, 0x97, 0x36, 0x15, 0xC0, 0x6A, 0x8C, 0x35, 0x53, 0x08};
uint8_t sk[97] = {0x09, 0xCE, 0x58, 0xA7, 0x51, 0x82, 0xC7, 0x51, 0x1C, 0x62, 0x78, 0x26, 0x6C, 0xAC, 0x38, 0x1E, 0xEF, 0x6F, 0x4F, 0xE2, 0x5A, 0x7F, 0x95, 0x7D, 0xE4, 0x13, 0xD8, 0x43, 0x48, 0xCB, 0x19, 0x83, 0x64, 0x19, 0x75, 0x3E, 0x8D, 0x8F, 0xB6, 0x00, 0x5F, 0x6E, 0x2E, 0xA2, 0xB5, 0x4D, 0xA4, 0x3E, 0xD0, 0xAD, 0xAE, 0x0A, 0x2E, 0x53, 0x97, 0xA4, 0x7E, 0xEB, 0x8F, 0xB4, 0x33, 0x18, 0x30, 0x83, 0x52, 0xF9, 0x90, 0x33, 0x6B, 0x82, 0xC5, 0x03, 0xB9, 0x86, 0x36, 0x83, 0x34, 0xE7, 0x81, 0xD5, 0x04, 0x76, 0x40, 0x26, 0x21, 0x25, 0x48, 0x39, 0x97, 0x36, 0x15, 0xC0, 0x6A, 0x8C, 0x35, 0x53, 0x08};
uint8_t expected_challenge[64] = {0x5B, 0xD1, 0x10, 0xA5, 0x25, 0x00, 0x1E, 0x15, 0xDE, 0xE0, 0xD7, 0xA0, 0x54, 0xF5, 0xDE, 0xF2, 0xB9, 0x0F, 0x03, 0x61, 0xC5, 0x6E, 0x34, 0x99, 0xE0, 0x6A, 0xAA, 0x12, 0x14, 0xBE, 0x1E, 0xD7, 0xDD, 0x92, 0x6F, 0xE5, 0x8E, 0x92, 0xDD, 0x97, 0x33, 0x70, 0x3F, 0x24, 0xE7, 0x28, 0x91, 0xBC, 0xB4, 0x7B, 0xB8, 0xE9, 0x68, 0x77, 0xCF, 0x6C, 0xDC, 0xDA, 0x51, 0x00, 0x01, 0xDB, 0x23, 0x11};
uint8_t expected_salt[32] = {0x0C, 0x8B, 0x86, 0x35, 0x9D, 0x1B, 0xE6, 0x1D, 0x35, 0x35, 0xAC, 0x68, 0xCC, 0xF3, 0x36, 0x39, 0x73, 0x70, 0xB7, 0xF9, 0x16, 0x20, 0x80, 0xA7, 0xBF, 0xBB, 0x59, 0xFD, 0xF6, 0x03, 0x41, 0xE2};
size_t expected_sig_len = 48576;
return do_test_sign(pk, sizeof(pk), sk, sizeof(sk), expected_challenge, sizeof(expected_challenge), expected_salt, sizeof(expected_salt), expected_sig_len);
}
int test_sign_Picnic_L1_full()
{
uint8_t pk[35] = {0x0A, 0xF0, 0xE4, 0x68, 0xF4, 0x66, 0xB3, 0xC1, 0x63, 0x7B, 0xED, 0xAE, 0xBE, 0x4E, 0xC9, 0xEA, 0xF3, 0x80, 0x88, 0xD7, 0x6C, 0xBC, 0xC3, 0xEC, 0x71, 0xE0, 0x0E, 0x0D, 0x42, 0x7C, 0x9A, 0xB0, 0x91, 0x0A, 0x00};
uint8_t sk[52] = {0x0A, 0x2B, 0x08, 0x4A, 0xAB, 0x0E, 0x55, 0xFB, 0xAA, 0x63, 0x3C, 0x13, 0x72, 0x72, 0xD0, 0xA5, 0x8A, 0x80, 0xF0, 0xE4, 0x68, 0xF4, 0x66, 0xB3, 0xC1, 0x63, 0x7B, 0xED, 0xAE, 0xBE, 0x4E, 0xC9, 0xEA, 0xF3, 0x80, 0x88, 0xD7, 0x6C, 0xBC, 0xC3, 0xEC, 0x71, 0xE0, 0x0E, 0x0D, 0x42, 0x7C, 0x9A, 0xB0, 0x91, 0x0A, 0x00};
uint8_t expected_challenge[55] = {0x88, 0x62, 0x95, 0x02, 0x80, 0xA4, 0x94, 0x06, 0x52, 0x81, 0x94, 0x65, 0x10, 0x04, 0x5A, 0x5A, 0x26, 0x06, 0x48, 0x25, 0x92, 0xA4, 0x60, 0x45, 0x28, 0xA8, 0x04, 0x50, 0x58, 0x66, 0x84, 0x06, 0x44, 0x22, 0x4A, 0x66, 0x46, 0xA9, 0x41, 0x44, 0x19, 0x11, 0x56, 0x15, 0x04, 0x29, 0x15, 0x11, 0x68, 0x1A, 0x2A, 0x1A, 0x86, 0xA1, 0x88};
uint8_t expected_salt[32] = {0x15, 0x4A, 0x74, 0xAD, 0x05, 0xD1, 0x1D, 0xDD, 0xEE, 0xC8, 0x7C, 0x93, 0x38, 0xC1, 0x49, 0x6E, 0xF1, 0xA8, 0xAB, 0xB7, 0xF5, 0x55, 0x30, 0x15, 0xBE, 0xE2, 0x0B, 0x58, 0x9B, 0x97, 0xC4, 0x9A};
size_t expected_sig_len = 30786;
return do_test_sign(pk, sizeof(pk), sk, sizeof(sk), expected_challenge, sizeof(expected_challenge), expected_salt, sizeof(expected_salt), expected_sig_len);
}
int test_sign_Picnic_L3_full()
{
uint8_t pk[49] = {0x0B, 0x31, 0x32, 0x8A, 0x63, 0xE2, 0x7B, 0x39, 0x33, 0x1A, 0x29, 0x22, 0xAA, 0xEB, 0x05, 0xBC, 0xAB, 0xCB, 0x94, 0x89, 0x03, 0xAC, 0x30, 0x9A, 0xD0, 0x6C, 0x00, 0x63, 0x40, 0x0D, 0xA0, 0xDA, 0x99, 0x19, 0x9F, 0xE6, 0xCA, 0x3E, 0x6D, 0xBC, 0x73, 0x30, 0xEF, 0xF9, 0x64, 0x3E, 0x85, 0x7D, 0x97};
uint8_t sk[73] = {0x0B, 0x79, 0x68, 0x54, 0xF1, 0x54, 0x2C, 0x4F, 0xB8, 0xD2, 0x26, 0xBE, 0x04, 0x33, 0xDD, 0x18, 0xF1, 0x04, 0x86, 0x90, 0xDA, 0x92, 0xE3, 0x5A, 0xCE, 0x31, 0x32, 0x8A, 0x63, 0xE2, 0x7B, 0x39, 0x33, 0x1A, 0x29, 0x22, 0xAA, 0xEB, 0x05, 0xBC, 0xAB, 0xCB, 0x94, 0x89, 0x03, 0xAC, 0x30, 0x9A, 0xD0, 0x6C, 0x00, 0x63, 0x40, 0x0D, 0xA0, 0xDA, 0x99, 0x19, 0x9F, 0xE6, 0xCA, 0x3E, 0x6D, 0xBC, 0x73, 0x30, 0xEF, 0xF9, 0x64, 0x3E, 0x85, 0x7D, 0x97};
uint8_t expected_challenge[83] = {0x44, 0xA2, 0x25, 0x45, 0x51, 0x60, 0x1A, 0x91, 0x5A, 0x64, 0x49, 0x04, 0x4A, 0x0A, 0x98, 0x81, 0x90, 0x82, 0x85, 0x0A, 0x09, 0x6A, 0x89, 0x8A, 0x85, 0x10, 0x96, 0x85, 0x04, 0x19, 0xA5, 0x69, 0xA8, 0x92, 0xA1, 0x45, 0x40, 0x45, 0xA6, 0x1A, 0x29, 0x84, 0x28, 0x68, 0x14, 0x81, 0x40, 0x00, 0xA9, 0x60, 0x51, 0x61, 0x29, 0x68, 0x16, 0x11, 0x22, 0x15, 0x85, 0x46, 0x60, 0x66, 0x22, 0xA1, 0x88, 0xA4, 0x98, 0x4A, 0x41, 0x95, 0x6A, 0xAA, 0x81, 0x80, 0x64, 0x28, 0x2A, 0x95, 0x42, 0x16, 0x19, 0x9A, 0x00};
uint8_t expected_salt[32] = {0xA4, 0xB4, 0x3E, 0x72, 0xD2, 0xE7, 0x70, 0x9E, 0xAD, 0x11, 0xB2, 0x64, 0xC4, 0x97, 0x29, 0x9F, 0x5D, 0x49, 0x43, 0x1A, 0xFF, 0x22, 0x5D, 0xAD, 0xCD, 0x99, 0xD1, 0x6D, 0xBD, 0x9E, 0x58, 0xE1};
size_t expected_sig_len = 68611;
return do_test_sign(pk, sizeof(pk), sk, sizeof(sk), expected_challenge, sizeof(expected_challenge), expected_salt, sizeof(expected_salt), expected_sig_len);
}
int test_sign_Picnic_L5_full()
{
uint8_t pk[65] = {0x0C, 0x2A, 0xF8, 0xCE, 0xBD, 0x72, 0x34, 0x30, 0x9D, 0x94, 0xB3, 0x08, 0xF7, 0xAD, 0xE1, 0x54, 0x13, 0xB6, 0xBB, 0x60, 0xBA, 0xCE, 0xF6, 0x31, 0x2B, 0xB5, 0xAA, 0x09, 0x25, 0x37, 0x0E, 0x2D, 0x00, 0x30, 0xAF, 0x6F, 0x08, 0x32, 0x92, 0xEB, 0x93, 0x6C, 0x1E, 0x89, 0xE1, 0x90, 0xCB, 0x08, 0x89, 0x6F, 0x70, 0xFB, 0xBD, 0x1D, 0xDC, 0x52, 0xEB, 0x26, 0xC4, 0xD2, 0xFE, 0xF7, 0xDC, 0xE4, 0x64};
uint8_t sk[97] = {0x0C, 0xF4, 0x76, 0x0B, 0x37, 0xBA, 0x6F, 0xEB, 0x62, 0xD1, 0x5E, 0xAC, 0x5F, 0x96, 0xDE, 0x8C, 0x22, 0x2B, 0x99, 0x80, 0xB5, 0x9B, 0x0F, 0x05, 0xF7, 0xFB, 0x6F, 0x18, 0xCD, 0x31, 0x6A, 0xB0, 0x6A, 0x2A, 0xF8, 0xCE, 0xBD, 0x72, 0x34, 0x30, 0x9D, 0x94, 0xB3, 0x08, 0xF7, 0xAD, 0xE1, 0x54, 0x13, 0xB6, 0xBB, 0x60, 0xBA, 0xCE, 0xF6, 0x31, 0x2B, 0xB5, 0xAA, 0x09, 0x25, 0x37, 0x0E, 0x2D, 0x00, 0x30, 0xAF, 0x6F, 0x08, 0x32, 0x92, 0xEB, 0x93, 0x6C, 0x1E, 0x89, 0xE1, 0x90, 0xCB, 0x08, 0x89, 0x6F, 0x70, 0xFB, 0xBD, 0x1D, 0xDC, 0x52, 0xEB, 0x26, 0xC4, 0xD2, 0xFE, 0xF7, 0xDC, 0xE4, 0x64};
uint8_t expected_challenge[110] = {0x24, 0xA2, 0x94, 0x5A, 0x50, 0x54, 0x92, 0x58, 0x42, 0x61, 0x56, 0x09, 0x29, 0x84, 0x48, 0x89, 0x26, 0x04, 0x46, 0x60, 0x10, 0x44, 0x16, 0x48, 0x45, 0x18, 0x20, 0x81, 0x0A, 0x68, 0x60, 0x02, 0xA1, 0x19, 0x56, 0x89, 0x15, 0x22, 0x60, 0x54, 0x84, 0x41, 0xA5, 0x42, 0x29, 0x65, 0x60, 0xAA, 0x66, 0x8A, 0x41, 0x84, 0x12, 0x00, 0x98, 0x00, 0x0A, 0x54, 0x25, 0x19, 0x52, 0x15, 0x60, 0x52, 0x41, 0x81, 0x58, 0xA1, 0x80, 0xA2, 0x25, 0x44, 0x89, 0x51, 0x06, 0x64, 0x48, 0x41, 0x81, 0x52, 0x29, 0xA1, 0x80, 0x18, 0x42, 0xA6, 0x44, 0x98, 0x02, 0x9A, 0x95, 0x4A, 0x54, 0x14, 0x52, 0x42, 0x19, 0x95, 0x01, 0x62, 0x06, 0x4A, 0x95, 0x55, 0x52, 0xA4, 0x52, 0x60, 0x11, 0x60};
uint8_t expected_salt[32] = {0x26, 0x66, 0xE8, 0x95, 0xAB, 0x6F, 0x25, 0x46, 0x9C, 0x01, 0x34, 0xC3, 0xA6, 0x71, 0x09, 0x2B, 0xD3, 0x63, 0xB9, 0x03, 0xFC, 0x80, 0xDD, 0x69, 0x8E, 0x05, 0xC4, 0x82, 0x89, 0xCC, 0x16, 0xCE};
size_t expected_sig_len = 121262;
return do_test_sign(pk, sizeof(pk), sk, sizeof(sk), expected_challenge, sizeof(expected_challenge), expected_salt, sizeof(expected_salt), expected_sig_len);
}
static int picnic_test_modified_signatures(picnic_params_t parameters) {
const size_t max_signature_size = picnic_signature_size(parameters);
if (!max_signature_size) {
/* not supported */
return 0;
}
picnic_publickey_t pk;
picnic_privatekey_t sk;
int ret = picnic_keygen(parameters, &pk, &sk);
if (ret != 0) {
return 0;
}
uint8_t* signature = malloc(max_signature_size);
uint8_t* message = malloc(MSG_LEN);
if (!signature || !message) {
return 0;
}
/* fill message with some data */
memset(message, rand() & 0xFF, MSG_LEN);
size_t signature_len = max_signature_size;
ret = picnic_sign(&sk, message, MSG_LEN, signature, &signature_len);
if (ret != 0) {
return 0;
}
/* must verify */
ret = picnic_verify(&pk, message, MSG_LEN, signature, signature_len);
if (ret != 0) {
return 0;
}
// printf("Signature is %lu bytes long\n", signature_len);
for (size_t l = 0; l < signature_len; l += signature_len/50) {
signature[l] += 1;
/* must fail */
ret = picnic_verify(&pk, message, MSG_LEN, signature, signature_len);
if (!ret) {
printf("Failed when mauling byte number %lu, byte value = %u\n", l, signature[l]);
printHex("signature", signature, signature_len);
return 0;
}
signature[l] -= 1;
}
free(message);
free(signature);
return 1;
}
int main(int argc, char** argv)
{
int passed = 0;
int tests_run = 0;
// printNewKeypair(Picnic_L1_full);
passed += LowMC_test_vectorL1_1(); tests_run++;
passed += LowMC_test_vectorL1_2(); tests_run++;
passed += LowMC_test_vectorL1_3(); tests_run++;
passed += LowMC_test_vectorL3_1(); tests_run++;
passed += LowMC_test_vectorL3_2(); tests_run++;
passed += LowMC_test_vectorL3_3(); tests_run++;
passed += LowMC_test_vectorL5_1(); tests_run++;
passed += LowMC_test_vectorL5_2(); tests_run++;
passed += LowMC_test_vectorL5_3(); tests_run++;
passed += test_serialization_L1(); tests_run++;
passed += LowMC_test_vectorL1_129_1(); tests_run++;
passed += LowMC_test_vectorL1_129_2(); tests_run++;
passed += LowMC_test_vectorL1_129_3(); tests_run++;
passed += LowMC_test_vectorL1_129_4(); tests_run++;
passed += LowMC_test_vectorL3_192_1(); tests_run++;
passed += LowMC_test_vectorL3_192_2(); tests_run++;
passed += LowMC_test_vectorL3_192_3(); tests_run++;
passed += LowMC_test_vectorL3_192_4(); tests_run++;
passed += LowMC_test_vectorL5_255_1(); tests_run++;
passed += LowMC_test_vectorL5_255_2(); tests_run++;
passed += LowMC_test_vectorL5_255_3(); tests_run++;
passed += LowMC_test_vectorL5_255_4(); tests_run++;
passed += test_sign_Picnic3_L1(); tests_run++;
passed += test_sign_Picnic3_L3(); tests_run++;
passed += test_sign_Picnic3_L5(); tests_run++;
passed += test_sign_Picnic_L1_full(); tests_run++;
passed += test_sign_Picnic_L3_full(); tests_run++;
passed += test_sign_Picnic_L5_full(); tests_run++;
for(int i = Picnic3_L1; i <= Picnic3_L5; i++) {
passed += test_serialize_roundtrip_picnic3(i); tests_run++;
passed += test_sig_serialize_picnic3(i); tests_run++;
}
(void) argv; // unused
if(argc > 1) { /* If any command line args are given, run the extended, slow tests */
for(int i = Picnic_L1_FS; i < PARAMETER_SET_MAX_INDEX; i++) {
printf("Running extended sig tests for params %s\n", picnic_get_param_name(i));
int ret = picnic_test_modified_signatures(i);
if(ret != 1) {
printf("Failed\n");
}
passed += ret;
tests_run++;
}
}
printf("Ran %d tests, %d passed\n", tests_run, passed);
return tests_run - passed;
}