james/yubikey.rs
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yubikey.rs/lib/tests/api.c
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/*
* Copyright (c) 2014-2016 Yubico AB
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "ykpiv.h"
#include "internal.h"
#include "../../tool/openssl-compat.h"
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <check.h>
#ifdef __MINGW32__
#define dprintf(fd, ...) fprintf(stdout, __VA_ARGS__)
#endif
int destruction_confirmed(void);
// only defined in libcheck 0.11+ (linux distros still shipping 0.10)
#ifndef ck_assert_ptr_nonnull
#define ck_assert_ptr_nonnull(a) ck_assert((a) != NULL)
#endif
#ifndef ck_assert_mem_eq
#define ck_assert_mem_eq(a,b,n) ck_assert(memcmp((a), (b), (n)) == 0)
#endif
ykpiv_state *g_state;
const uint8_t g_cert[] = {
"0123456789ABCDEFGHIK0123456789ABCDEFGHIK0123456789ABCDEFGHIK0123456789ABCDEFGHIK"
"0123456789ABCDEFGHIK0123456789ABCDEFGHIK0123456789ABCDEFGHIK0123456789ABCDEFGHIK"
"0123456789ABCDEFGHIK0123456789ABCDEFGHIK0123456789ABCDEFGHIK0123456789ABCDEFGHIK"
"0123456789ABCDEFGHIK0123456789ABCDEFGHIK0123456789ABCDEFGHIK0123456789ABCDEFGHIK"
"0123456789ABCDEFGHIK0123456789ABCDEFGHIK0123456789ABCDEFGHIK0123456789ABCDEFGHIK"
};
void setup(void) {
ykpiv_rc res;
// Require user confirmation to continue, since this test suite will clear
// any data stored on connected keys.
if (!destruction_confirmed())
exit(77); // exit code 77 == skipped tests
res = ykpiv_init(&g_state, true);
ck_assert_int_eq(res, YKPIV_OK);
ck_assert_ptr_nonnull(g_state);
res = ykpiv_connect(g_state, NULL);
ck_assert_int_eq(res, YKPIV_OK);
}
void teardown(void) {
ykpiv_rc res;
// This is the expected case, if the allocator test ran, since it de-inits.
if (NULL == g_state)
return;
res = ykpiv_disconnect(g_state);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_done(g_state);
ck_assert_int_eq(res, YKPIV_OK);
}
#ifdef HW_TESTS
START_TEST(test_devicemodel) {
ykpiv_rc res;
ykpiv_devmodel model;
char version[256];
char reader_buf[2048];
size_t num_readers = sizeof(reader_buf);
res = ykpiv_get_version(g_state, version, sizeof(version));
ck_assert_int_eq(res, YKPIV_OK);
fprintf(stderr, "Version: %s\n", version);
model = ykpiv_util_devicemodel(g_state);
fprintf(stdout, "Model: %u\n", model);
ck_assert(model == DEVTYPE_YK4 || model == DEVTYPE_NEOr3);
res = ykpiv_list_readers(g_state, reader_buf, &num_readers);
ck_assert_int_eq(res, YKPIV_OK);
ck_assert_int_gt(num_readers, 0);
if (model == DEVTYPE_YK4) {
ck_assert_ptr_nonnull(strstr(reader_buf, "Yubikey 4"));
ck_assert(version[0] == '4'); // Verify app version 4.x
ck_assert(version[1] == '.');
}
else {
ck_assert_ptr_nonnull(strstr(reader_buf, "Yubikey NEO"));
ck_assert(version[0] == '1'); // Verify app version 1.x
ck_assert(version[1] == '.');
}
}
END_TEST
START_TEST(test_get_set_cardid) {
ykpiv_rc res;
ykpiv_cardid set_id;
ykpiv_cardid get_id;
memset(&set_id.data, 'i', sizeof(set_id.data));
memset(&get_id.data, 0, sizeof(get_id.data));
res = ykpiv_util_set_cardid(g_state, &set_id);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_util_get_cardid(g_state, &get_id);
ck_assert_int_eq(res, YKPIV_OK);
ck_assert_mem_eq(&set_id.data, &get_id.data, sizeof(set_id.data));
}
END_TEST
START_TEST(test_list_readers) {
ykpiv_rc res;
char reader_buf[2048];
size_t num_readers = sizeof(reader_buf);
char *reader_ptr;
res = ykpiv_list_readers(g_state, reader_buf, &num_readers);
ck_assert_int_eq(res, YKPIV_OK);
ck_assert_int_gt(num_readers, 0);
for(reader_ptr = reader_buf; *reader_ptr != '\0'; reader_ptr += strlen(reader_ptr) + 1) {
fprintf(stdout, "Found device: %s\n", reader_ptr);
}
}
END_TEST
START_TEST(test_read_write_list_delete_cert) {
ykpiv_rc res;
uint8_t *read_cert = NULL;
size_t read_cert_len = 0;
{
res = ykpiv_util_write_cert(g_state, YKPIV_KEY_AUTHENTICATION, (uint8_t*)g_cert, sizeof(g_cert), YKPIV_CERTINFO_UNCOMPRESSED);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_util_read_cert(g_state, YKPIV_KEY_AUTHENTICATION, &read_cert, &read_cert_len);
ck_assert_int_eq(res, YKPIV_OK);
ck_assert_ptr_nonnull(read_cert);
ck_assert_int_eq(read_cert_len, sizeof(g_cert));
ck_assert_mem_eq(g_cert, read_cert, sizeof(g_cert));
res = ykpiv_util_free(g_state, read_cert);
ck_assert_int_eq(res, YKPIV_OK);
}
{
ykpiv_key *keys = NULL;
size_t data_len;
uint8_t key_count;
res = ykpiv_util_list_keys(g_state, &key_count, &keys, &data_len);
ck_assert_int_eq(res, YKPIV_OK);
ck_assert_ptr_nonnull(keys);
ck_assert_int_gt(key_count, 0);
res = ykpiv_util_free(g_state, keys);
ck_assert_int_eq(res, YKPIV_OK);
}
{
res = ykpiv_util_delete_cert(g_state, YKPIV_KEY_AUTHENTICATION);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_util_read_cert(g_state, YKPIV_KEY_AUTHENTICATION, &read_cert, &read_cert_len);
ck_assert_int_eq(res, YKPIV_GENERIC_ERROR);
res = ykpiv_util_free(g_state, read_cert);
ck_assert_int_eq(res, YKPIV_OK);
}
}
END_TEST
#include <openssl/des.h>
#include <openssl/pem.h>
#include <openssl/pkcs12.h>
#include <openssl/rand.h>
// RSA2048 private key, generated with: `openssl genrsa 2048 -out private.pem`
static const char *private_key_pem =
"-----BEGIN RSA PRIVATE KEY-----\n"
"MIIEpAIBAAKCAQEAwVUwmVbc+ffOy2+RivxBpgleTVN6bUa0q7jNYB+AseFQYaYq\n"
"EGfa+VGdxSGo+8DV1KT9+fNEd5243gXn/tcjtMItKeB+oAQc64s9lIFlYuR8bpq1\n"
"ibr33iW2elnnv9mpecqohdCVwM2McWveoPyb7MwlwVuhqexOzJO29bqJcazLbtkf\n"
"ZETK0oBx53/ylA4Y6nE9Pa46jW2qhj+KShf1iBg+gAyt3eI+wI2Wmub1WxLLH8D2\n"
"w+kow8QhQOa8dHCkRRw771JxVO5+d+Y/Y+x9B1HgF4q0q9xUlhWLK2TR4ChBFzXe\n"
"47sAHsSqi/pl5JbwYrHPOE/VEBLukmjL8NFCSQIDAQABAoIBADmEyOK2DyRnb6Ti\n"
"2qBJEJb/boj+7wuX36S/ZIrWlIlXiXyj3RvoaiOG/rNpokbURknvlIhKsfIMgLW9\n"
"eBo/k6Xxp1IwMjwVPS1uzbFjFfDoHYUijiQd9iSnf7TDDsnrThqoCp9VQViNTt1n\n"
"xGKNBS7cRddTFbPiVEdVIzfUeZPR2oRrc4maBCRCrQgg8WNknawmc8zhkf2NiPj3\n"
"tWLQHMy1/MgW2W1LM9sgzllEtS5CZUnyGy2HbbhS2tbZ6j9kPzOp0pPxxTTzJmmV\n"
"fi1vkJcVW4+MdXjWmhALcPA4dO7Y2Ljiu6VxIxQORRO1DyiCjAs1AVMQxgPAAY41\n"
"YR4Q2EkCgYEA4zE0oytg97aVaBY9CKi7/PqR+NI/uEvfoQCnT+ddaJgp/qsspuXo\n"
"tJt94p13ANd8O7suqQTVNvbZq1rX10xQjJZ9nvlqQa6iHkN6Epq31XBK3Z+acjIV\n"
"A2rAgKBByjz9/CpKHqnOsrTWU1Y7x416IG4BZt42hHdrxRH98/wiDH8CgYEA2djj\n"
"AjwgK+MwDnshwT1NNgCSP/2ZHatBAykZ5BCs9BJ6MNYqqXVGYoqs5Z5kSkow+Db3\n"
"pipkEieo5w2Rd5zkolTThaVCvRkSe5wRiBpZhaeY+b0UFwavGCb6zU/MmJIMDPiI\n"
"2iRGeCXgQDvIS/icIqzbTtp6dZaoMgG7LdSR7TcCgYBtxGhaLas8A8tL7vKuLFgn\n"
"cij0vyBqOr5hW596y54l2t7vXGTGfm5gVIAN7WaB0ZsEgPuaTet2Eu44DDwcmZKR\n"
"WmR3Wqor8eQCGzfvpTEMvqRtT5+fbPMaI4m+m68ttyo/m28UQZbMYPLscM2RLJnE\n"
"8WFcAiD0/33iST8ZksggoQKBgQDE/7Yhsj+hkHxHzB+1QPtOp2uaBHnvc4uCESwB\n"
"qvbMbN0kxrejsJLqz98UcozdBYSNIiAHmvQN2uGJuCJhGXdEORNjGxRkLoUhVPwh\n"
"qTplfC8BQHQncnrqi21oNw6ctg3BuQsAwaccRZwqWiWCVhrT3J8iCr6NEaWeOySK\n"
"iF1CNwKBgQCRpkkZArlccwS0kMvkK+tQ1rG2xWm7c05G34gP/g6dHFRy0gPNMyvi\n"
"SkiLTJmQIEZSAEiq0FFgcVwM6o556ftvQZuwDp5rHUbwqnHCpMJKpD9aJpStvfPi\n"
"4p9JbYdaGqnq4eoNKemmGnbUof0dR9Zr0lGmcMTwwzBib+4E1d7soA==\n"
"-----END RSA PRIVATE KEY-----\n";
// Certificate signed with key above:
// `openssl req -x509 -key private.pem -out cert.pem -subj "/CN=bar/OU=test/O=example.com/" -new`
static const char *certificate_pem =
"-----BEGIN CERTIFICATE-----\n"
"MIIC5zCCAc+gAwIBAgIJAOq8A/cmpxF5MA0GCSqGSIb3DQEBCwUAMDMxDDAKBgNV\n"
"BAMMA2JhcjENMAsGA1UECwwEdGVzdDEUMBIGA1UECgwLZXhhbXBsZS5jb20wHhcN\n"
"MTcwODAzMTE1MDI2WhcNMTgwODAzMTE1MDI2WjAzMQwwCgYDVQQDDANiYXIxDTAL\n"
"BgNVBAsMBHRlc3QxFDASBgNVBAoMC2V4YW1wbGUuY29tMIIBIjANBgkqhkiG9w0B\n"
"AQEFAAOCAQ8AMIIBCgKCAQEAwVUwmVbc+ffOy2+RivxBpgleTVN6bUa0q7jNYB+A\n"
"seFQYaYqEGfa+VGdxSGo+8DV1KT9+fNEd5243gXn/tcjtMItKeB+oAQc64s9lIFl\n"
"YuR8bpq1ibr33iW2elnnv9mpecqohdCVwM2McWveoPyb7MwlwVuhqexOzJO29bqJ\n"
"cazLbtkfZETK0oBx53/ylA4Y6nE9Pa46jW2qhj+KShf1iBg+gAyt3eI+wI2Wmub1\n"
"WxLLH8D2w+kow8QhQOa8dHCkRRw771JxVO5+d+Y/Y+x9B1HgF4q0q9xUlhWLK2TR\n"
"4ChBFzXe47sAHsSqi/pl5JbwYrHPOE/VEBLukmjL8NFCSQIDAQABMA0GCSqGSIb3\n"
"DQEBCwUAA4IBAQCamrwdEhNmY2GCQWq6U90Q3XQT6w0HHW/JmtuGeF+BTpVr12gN\n"
"/UvEXTo9geWbGcCTjaMMURTa7mUjVUIttIWEVHZMKqBuvsUM1RcuOEX/vitaJJ8K\n"
"Sw4upjCNa3ZxUXmSA1FBixZgDzFqjEeSiaJjMU0yX5W2p1T4iNYtF3YqzMF5AWSI\n"
"qCO7gP5ezPyg5kDnrO3V7DBgnDiqawq7Pyn9DynKNULX/hc1yls/R+ebb2u8Z+h5\n"
"W4YXbzGZb8qdT27qIZaHD638tL6liLkI6UE4KCXH8X8e3fqdbmqvwrq403nOGmsP\n"
"cbJb2PEXibNEQG234riKxm7x7vNDLL79Jwtc\n"
"-----END CERTIFICATE-----\n";
static bool set_component(unsigned char *in_ptr, const BIGNUM *bn, int element_len) {
int real_len = BN_num_bytes(bn);
if(real_len > element_len) {
return false;
}
memset(in_ptr, 0, (size_t)(element_len - real_len));
in_ptr += element_len - real_len;
BN_bn2bin(bn, in_ptr);
return true;
}
static bool prepare_rsa_signature(const unsigned char *in, unsigned int in_len, unsigned char *out, unsigned int *out_len, int nid) {
X509_SIG *digestInfo;
X509_ALGOR *algor;
ASN1_TYPE parameter;
ASN1_OCTET_STRING *digest;
unsigned char data[1024];
memcpy(data, in, in_len);
digestInfo = X509_SIG_new();
X509_SIG_getm(digestInfo, &algor, &digest);
algor->algorithm = OBJ_nid2obj(nid);
X509_ALGOR_set0(algor, OBJ_nid2obj(nid), V_ASN1_NULL, NULL);
ASN1_STRING_set(digest, data, in_len);
*out_len = (unsigned int)i2d_X509_SIG(digestInfo, &out);
X509_SIG_free(digestInfo);
return true;
}
static void import_key(unsigned char slot, unsigned char pin_policy) {
ykpiv_rc res;
{
unsigned char pp = pin_policy;
unsigned char tp = YKPIV_TOUCHPOLICY_DEFAULT;
EVP_PKEY *private_key = NULL;
BIO *bio = NULL;
RSA *rsa_private_key = NULL;
unsigned char e[4];
unsigned char p[128];
unsigned char q[128];
unsigned char dmp1[128];
unsigned char dmq1[128];
unsigned char iqmp[128];
int element_len = 128;
const BIGNUM *bn_e, *bn_p, *bn_q, *bn_dmp1, *bn_dmq1, *bn_iqmp;
bio = BIO_new_mem_buf(private_key_pem, strlen(private_key_pem));
private_key = PEM_read_bio_PrivateKey(bio, NULL, NULL, NULL);
ck_assert_ptr_nonnull(private_key);
BIO_free(bio);
rsa_private_key = EVP_PKEY_get1_RSA(private_key);
ck_assert_ptr_nonnull(rsa_private_key);
RSA_get0_key(rsa_private_key, NULL, &bn_e, NULL);
RSA_get0_factors(rsa_private_key, &bn_p, &bn_q);
RSA_get0_crt_params(rsa_private_key, &bn_dmp1, &bn_dmq1, &bn_iqmp);
ck_assert(set_component(e, bn_e, 3));
ck_assert(set_component(p, bn_p, element_len));
ck_assert(set_component(q, bn_q, element_len));
ck_assert(set_component(dmp1, bn_dmp1, element_len));
ck_assert(set_component(dmq1, bn_dmq1, element_len));
ck_assert(set_component(iqmp, bn_iqmp, element_len));
// Try wrong algorithm, fail.
res = ykpiv_import_private_key(g_state,
slot,
YKPIV_ALGO_RSA1024,
p, element_len,
q, element_len,
dmp1, element_len,
dmq1, element_len,
iqmp, element_len,
NULL, 0,
pp, tp);
ck_assert_int_eq(res, YKPIV_ALGORITHM_ERROR);
// Try right algorithm
res = ykpiv_import_private_key(g_state,
slot,
YKPIV_ALGO_RSA2048,
p, element_len,
q, element_len,
dmp1, element_len,
dmq1, element_len,
iqmp, element_len,
NULL, 0,
pp, tp);
ck_assert_int_eq(res, YKPIV_OK);
RSA_free(rsa_private_key);
EVP_PKEY_free(private_key);
}
// Use imported key to decrypt a thing. See that it works.
{
BIO *bio = NULL;
X509 *cert = NULL;
EVP_PKEY *pub_key = NULL;
unsigned char secret[32];
unsigned char secret2[32];
unsigned char data[256];
int len;
size_t len2 = sizeof(data);
RSA *rsa = NULL;
bio = BIO_new_mem_buf(certificate_pem, strlen(certificate_pem));
cert = PEM_read_bio_X509(bio, NULL, NULL, NULL);
ck_assert_ptr_nonnull(cert);
BIO_free(bio);
pub_key = X509_get_pubkey(cert);
ck_assert_ptr_nonnull(pub_key);
rsa = EVP_PKEY_get1_RSA(pub_key);
ck_assert_ptr_nonnull(rsa);
EVP_PKEY_free(pub_key);
ck_assert_int_gt(RAND_bytes(secret, sizeof(secret)), 0);
len = RSA_public_encrypt(sizeof(secret), secret, data, rsa, RSA_PKCS1_PADDING);
ck_assert_int_ge(len, 0);
res = ykpiv_verify(g_state, "123456", NULL);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_decipher_data(g_state, data, (size_t)len, data, &len2, YKPIV_ALGO_RSA2048, slot);
ck_assert_int_eq(res, YKPIV_OK);
len = RSA_padding_check_PKCS1_type_2(secret2, sizeof(secret2), data + 1, len2 - 1, RSA_size(rsa));
ck_assert_int_eq(len, sizeof(secret));
ck_assert_int_eq(memcmp(secret, secret2, sizeof(secret)), 0);
RSA_free(rsa);
X509_free(cert);
}
}
START_TEST(test_import_key) {
ykpiv_rc res;
import_key(0x9a, YKPIV_PINPOLICY_DEFAULT);
// Verify certificate
{
BIO *bio = NULL;
X509 *cert = NULL;
RSA *rsa = NULL;
EVP_PKEY *pub_key = NULL;
const EVP_MD *md = EVP_sha256();
EVP_MD_CTX *mdctx;
unsigned char signature[1024];
unsigned char encoded[1024];
unsigned char data[1024];
unsigned char signinput[1024];
unsigned char rand[128];
size_t sig_len = sizeof(signature);
size_t padlen = 256;
unsigned int enc_len;
unsigned int data_len;
bio = BIO_new_mem_buf(certificate_pem, strlen(certificate_pem));
cert = PEM_read_bio_X509(bio, NULL, NULL, NULL);
ck_assert_ptr_nonnull(cert);
BIO_free(bio);
pub_key = X509_get_pubkey(cert);
ck_assert_ptr_nonnull(pub_key);
rsa = EVP_PKEY_get1_RSA(pub_key);
ck_assert_ptr_nonnull(rsa);
EVP_PKEY_free(pub_key);
ck_assert_int_gt(RAND_bytes(rand, 128), 0);
mdctx = EVP_MD_CTX_create();
EVP_DigestInit_ex(mdctx, md, NULL);
EVP_DigestUpdate(mdctx, rand, 128);
EVP_DigestFinal_ex(mdctx, data, &data_len);
prepare_rsa_signature(data, data_len, encoded, &enc_len, EVP_MD_type(md));
ck_assert_int_ne(RSA_padding_add_PKCS1_type_1(signinput, padlen, encoded, enc_len), 0);
res = ykpiv_sign_data(g_state, signinput, padlen, signature, &sig_len, YKPIV_ALGO_RSA2048, 0x9a);
ck_assert_int_eq(res, YKPIV_OK);
ck_assert_int_eq(RSA_verify(EVP_MD_type(md), data, data_len, signature, sig_len, rsa), 1);
RSA_free(rsa);
X509_free(cert);
EVP_MD_CTX_destroy(mdctx);
}
// Verify that imported key can not be attested
{
unsigned char attest[2048];
size_t attest_len = sizeof(attest);
ykpiv_devmodel model;
model = ykpiv_util_devicemodel(g_state);
res = ykpiv_attest(g_state, 0x9a, attest, &attest_len);
if (model == DEVTYPE_YK4) {
ck_assert_int_eq(res, YKPIV_GENERIC_ERROR);
}
else {
ck_assert_int_eq(res, YKPIV_NOT_SUPPORTED);
}
}
}
END_TEST
START_TEST(test_pin_policy_always) {
ykpiv_rc res;
{
ykpiv_devmodel model;
model = ykpiv_util_devicemodel(g_state);
// Only works with YK4. NEO should skip.
if (model != DEVTYPE_YK4) {
fprintf(stderr, "WARNING: Not supported with Yubikey NEO. Test skipped.\n");
return;
}
}
import_key(0x9e, YKPIV_PINPOLICY_ALWAYS);
// Verify certificate
{
BIO *bio = NULL;
X509 *cert = NULL;
RSA *rsa = NULL;
EVP_PKEY *pub_key = NULL;
const EVP_MD *md = EVP_sha256();
EVP_MD_CTX *mdctx;
unsigned char signature[1024];
unsigned char encoded[1024];
unsigned char data[1024];
unsigned char signinput[1024];
unsigned char rand[128];
size_t sig_len = sizeof(signature);
size_t padlen = 256;
unsigned int enc_len;
unsigned int data_len;
bio = BIO_new_mem_buf(certificate_pem, strlen(certificate_pem));
cert = PEM_read_bio_X509(bio, NULL, NULL, NULL);
ck_assert_ptr_nonnull(cert);
BIO_free(bio);
pub_key = X509_get_pubkey(cert);
ck_assert_ptr_nonnull(pub_key);
rsa = EVP_PKEY_get1_RSA(pub_key);
ck_assert_ptr_nonnull(rsa);
EVP_PKEY_free(pub_key);
ck_assert_int_gt(RAND_bytes(rand, 128), 0);
mdctx = EVP_MD_CTX_create();
EVP_DigestInit_ex(mdctx, md, NULL);
EVP_DigestUpdate(mdctx, rand, 128);
EVP_DigestFinal_ex(mdctx, data, &data_len);
prepare_rsa_signature(data, data_len, encoded, &enc_len, EVP_MD_type(md));
ck_assert_int_ne(RSA_padding_add_PKCS1_type_1(signinput, padlen, encoded, enc_len), 0);
// Sign without verify: fail
res = ykpiv_sign_data(g_state, signinput, padlen, signature, &sig_len, YKPIV_ALGO_RSA2048, 0x9e);
ck_assert_int_eq(res, YKPIV_AUTHENTICATION_ERROR);
// Sign with verify: pass
res = ykpiv_verify(g_state, "123456", NULL);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_sign_data(g_state, signinput, padlen, signature, &sig_len, YKPIV_ALGO_RSA2048, 0x9e);
ck_assert_int_eq(res, YKPIV_OK);
// Sign again without verify: fail
res = ykpiv_sign_data(g_state, signinput, padlen, signature, &sig_len, YKPIV_ALGO_RSA2048, 0x9e);
ck_assert_int_eq(res, YKPIV_AUTHENTICATION_ERROR);
// Sign again with verify: pass
res = ykpiv_verify(g_state, "123456", NULL);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_sign_data(g_state, signinput, padlen, signature, &sig_len, YKPIV_ALGO_RSA2048, 0x9e);
ck_assert_int_eq(res, YKPIV_OK);
ck_assert_int_eq(RSA_verify(EVP_MD_type(md), data, data_len, signature, sig_len, rsa), 1);
RSA_free(rsa);
X509_free(cert);
EVP_MD_CTX_destroy(mdctx);
}
}
END_TEST
START_TEST(test_generate_key) {
ykpiv_rc res;
uint8_t *mod, *exp;
size_t mod_len, exp_len;
res = ykpiv_util_write_cert(g_state, YKPIV_KEY_AUTHENTICATION, (uint8_t*)g_cert, sizeof(g_cert), YKPIV_CERTINFO_UNCOMPRESSED);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_util_generate_key(g_state,
YKPIV_KEY_AUTHENTICATION,
YKPIV_ALGO_RSA2048,
YKPIV_PINPOLICY_DEFAULT,
YKPIV_TOUCHPOLICY_DEFAULT,
&mod,
&mod_len,
&exp,
&exp_len,
NULL,
NULL);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_util_free(g_state, mod);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_util_free(g_state, exp);
ck_assert_int_eq(res, YKPIV_OK);
// Verify that imported key can be attested
{
ykpiv_devmodel model;
unsigned char attest[2048];
size_t attest_len = sizeof(attest);
model = ykpiv_util_devicemodel(g_state);
res = ykpiv_attest(g_state, YKPIV_KEY_AUTHENTICATION, attest, &attest_len);
// Only works with YK4. NEO should error.
if (model == DEVTYPE_YK4) {
ck_assert_int_eq(res, YKPIV_OK);
ck_assert_int_gt(attest_len, 0);
}
else {
ck_assert_int_eq(res, YKPIV_NOT_SUPPORTED);
}
}
}
END_TEST
START_TEST(test_authenticate) {
ykpiv_rc res;
const char *default_mgm_key = "010203040506070801020304050607080102030405060708";
const char *mgm_key = "112233445566778811223344556677881122334455667788";
const char *weak_mgm_key = "FEFEFEFEFEFEFEFEFEFEFEFEFEFEFEFEFEFEFEFEFEFEFEFE";
unsigned char key[24];
size_t key_len = sizeof(key);
// Try new key, fail.
res = ykpiv_hex_decode(mgm_key, strlen(mgm_key), key, &key_len);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_authenticate(g_state, key);
ck_assert_int_eq(res, YKPIV_AUTHENTICATION_ERROR);
// Try default key, succeed
res = ykpiv_hex_decode(default_mgm_key, strlen(default_mgm_key), key, &key_len);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_authenticate(g_state, key);
ck_assert_int_eq(res, YKPIV_OK);
// Verify same key works twice
res = ykpiv_hex_decode(default_mgm_key, strlen(default_mgm_key), key, &key_len);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_authenticate(g_state, key);
ck_assert_int_eq(res, YKPIV_OK);
// Change to new key
res = ykpiv_hex_decode(mgm_key, strlen(mgm_key), key, &key_len);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_set_mgmkey(g_state, key);
ck_assert_int_eq(res, YKPIV_OK);
// Try new key, succeed.
res = ykpiv_hex_decode(mgm_key, strlen(mgm_key), key, &key_len);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_authenticate(g_state, key);
ck_assert_int_eq(res, YKPIV_OK);
// Change back to default key
res = ykpiv_hex_decode(default_mgm_key, strlen(default_mgm_key), key, &key_len);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_set_mgmkey(g_state, key);
ck_assert_int_eq(res, YKPIV_OK);
// Try default key, succeed
res = ykpiv_hex_decode(default_mgm_key, strlen(default_mgm_key), key, &key_len);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_authenticate(g_state, key);
ck_assert_int_eq(res, YKPIV_OK);
// Try to set a weak key, fail
res = ykpiv_hex_decode(weak_mgm_key, strlen(weak_mgm_key), key, &key_len);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_set_mgmkey(g_state, key);
ck_assert_int_eq(res, YKPIV_KEY_ERROR);
// Try default key, succeed
res = ykpiv_hex_decode(default_mgm_key, strlen(default_mgm_key), key, &key_len);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_authenticate(g_state, key);
ck_assert_int_eq(res, YKPIV_OK);
}
END_TEST
START_TEST(test_change_pin) {
ykpiv_rc res;
res = ykpiv_verify(g_state, "123456", NULL);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_change_pin(g_state, "123456", 6, "ABCDEF", 6, NULL);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_verify(g_state, "123456", NULL);
ck_assert_int_eq(res, YKPIV_WRONG_PIN);
res = ykpiv_verify(g_state, "ABCDEF", NULL);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_change_pin(g_state, "ABCDEF", 6, "123456", 6, NULL);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_verify(g_state, "ABCDEF", NULL);
ck_assert_int_eq(res, YKPIV_WRONG_PIN);
res = ykpiv_verify(g_state, "123456", NULL);
ck_assert_int_eq(res, YKPIV_OK);
}
END_TEST
START_TEST(test_change_puk) {
ykpiv_rc res;
res = ykpiv_unblock_pin(g_state, "12345678", 8, "123456", 6, NULL);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_change_puk(g_state, "12345678", 8, "ABCDEFGH", 8, NULL);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_unblock_pin(g_state, "12345678", 8, "123456", 6, NULL);
ck_assert_int_eq(res, YKPIV_WRONG_PIN);
res = ykpiv_unblock_pin(g_state, "ABCDEFGH", 8, "123456", 6, NULL);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_change_puk(g_state, "ABCDEFGH", 8, "12345678", 8, NULL);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_unblock_pin(g_state, "ABCDEFGH", 8, "123456", 6, NULL);
ck_assert_int_eq(res, YKPIV_WRONG_PIN);
res = ykpiv_unblock_pin(g_state, "12345678", 8, "123456", 6, NULL);
ck_assert_int_eq(res, YKPIV_OK);
}
END_TEST
static int block_and_reset() {
ykpiv_rc res;
int tries = 100;
int tries_until_blocked;
tries_until_blocked = 0;
while (tries) {
res = ykpiv_verify(g_state, "AAAAAA", &tries);
if (res == YKPIV_PIN_LOCKED)
break;
ck_assert_int_eq(res, YKPIV_WRONG_PIN);
tries_until_blocked++;
}
// Verify no PIN retries remaining
tries = 100;
res = ykpiv_get_pin_retries(g_state, &tries);
ck_assert_int_eq(res, YKPIV_OK);
ck_assert_int_eq(tries, 0);
tries = 100;
while (tries) {
res = ykpiv_change_puk(g_state, "AAAAAAAA", 8, "AAAAAAAA", 8, &tries);
if (res == YKPIV_PIN_LOCKED)
break;
ck_assert_int_eq(res, YKPIV_WRONG_PIN);
}
res = ykpiv_util_reset(g_state);
ck_assert_int_eq(res, YKPIV_OK);
return tries_until_blocked;
}
START_TEST(test_reset) {
ykpiv_rc res;
int tries = 100;
int tries_until_blocked;
// Block and reset, with default PIN retries
tries_until_blocked = block_and_reset();
ck_assert_int_eq(tries_until_blocked, 3);
// Authenticate and increase PIN retries
test_authenticate(0);
res = ykpiv_verify(g_state, "123456", NULL);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_set_pin_retries(g_state, 8, 3);
ck_assert_int_eq(res, YKPIV_OK);
// Block and reset again, verifying increased PIN retries
tries_until_blocked = block_and_reset();
ck_assert_int_eq(tries_until_blocked, 8);
// Note: defaults back to 3 retries after reset
// Verify default (3) PIN retries remaining
tries = 0;
res = ykpiv_get_pin_retries(g_state, &tries);
ck_assert_int_eq(res, YKPIV_OK);
ck_assert_int_eq(tries, 3);
// Verify still (3) PIN retries remaining
tries = 0;
res = ykpiv_get_pin_retries(g_state, &tries);
ck_assert_int_eq(res, YKPIV_OK);
ck_assert_int_eq(tries, 3);
// Try wrong PIN
res = ykpiv_verify(g_state, "AAAAAA", &tries);
ck_assert_int_eq(res, YKPIV_WRONG_PIN);
// Verify 2 PIN retries remaining
tries = 0;
res = ykpiv_get_pin_retries(g_state, &tries);
ck_assert_int_eq(res, YKPIV_OK);
ck_assert_int_eq(tries, 2);
// Verify correct PIN
tries = 100;
res = ykpiv_verify(g_state, "123456", &tries);
ck_assert_int_eq(res, YKPIV_OK);
// Verify back to 3 PIN retries remaining
tries = 0;
res = ykpiv_get_pin_retries(g_state, &tries);
ck_assert_int_eq(res, YKPIV_OK);
ck_assert_int_eq(tries, 3);
}
END_TEST
struct t_alloc_data{
uint32_t count;
} g_alloc_data;
static void* _test_alloc(void *data, size_t cb) {
ck_assert_ptr_eq(data, &g_alloc_data);
((struct t_alloc_data*)data)->count++;
return calloc(cb, 1);
}
static void * _test_realloc(void *data, void *p, size_t cb) {
ck_assert_ptr_eq(data, &g_alloc_data);
return realloc(p, cb);
}
static void _test_free(void *data, void *p) {
fflush(stderr);
ck_assert_ptr_eq(data, &g_alloc_data);
((struct t_alloc_data*)data)->count--;
free(p);
}
ykpiv_allocator test_allocator_cbs = {
.pfn_alloc = _test_alloc,
.pfn_realloc = _test_realloc,
.pfn_free = _test_free,
.alloc_data = &g_alloc_data
};
uint8_t *alloc_auth_cert() {
ykpiv_rc res;
uint8_t *read_cert = NULL;
size_t read_cert_len = 0;
res = ykpiv_util_write_cert(g_state, YKPIV_KEY_AUTHENTICATION, (uint8_t*)g_cert, sizeof(g_cert), YKPIV_CERTINFO_UNCOMPRESSED);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_util_read_cert(g_state, YKPIV_KEY_AUTHENTICATION, &read_cert, &read_cert_len);
ck_assert_int_eq(res, YKPIV_OK);
ck_assert_ptr_nonnull(read_cert);
ck_assert_int_eq(read_cert_len, sizeof(g_cert));
ck_assert_mem_eq(g_cert, read_cert, sizeof(g_cert));
return read_cert;
}
START_TEST(test_allocator) {
ykpiv_rc res;
const ykpiv_allocator allocator;
uint8_t *cert1, *cert2;
res = ykpiv_done(g_state);
ck_assert_int_eq(res, YKPIV_OK);
g_state = NULL;
res = ykpiv_init_with_allocator(&g_state, false, &test_allocator_cbs);
ck_assert_int_eq(res, YKPIV_OK);
ck_assert_ptr_nonnull(g_state);
// Verify we can communicate with device and make some allocations
res = ykpiv_connect(g_state, NULL);
ck_assert_int_eq(res, YKPIV_OK);
test_authenticate(0);
cert1 = alloc_auth_cert();
cert2 = alloc_auth_cert();
// Verify allocations went through custom allocator, and still live
ck_assert_int_gt(g_alloc_data.count, 1);
// Free and shutdown everything
ykpiv_util_free(g_state, cert2);
ykpiv_util_free(g_state, cert1);
res = ykpiv_disconnect(g_state);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_done(g_state);
ck_assert_int_eq(res, YKPIV_OK);
// Verify equal number of frees as allocations
ck_assert_int_eq(g_alloc_data.count, 0);
// Clear g_state so teardown() is skipped
g_state = NULL;
}
END_TEST
START_TEST(test_pin_cache) {
ykpiv_rc res;
ykpiv_state *local_state;
unsigned char data[256];
unsigned char data_in[256] = {0};
int len = sizeof(data);
size_t len2 = sizeof(data);
import_key(0x9a, YKPIV_PINPOLICY_DEFAULT);
// Disconnect and reconnect to device to guarantee it is not authed
res = ykpiv_disconnect(g_state);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_done(g_state);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_init(&g_state, true);
ck_assert_int_eq(res, YKPIV_OK);
ck_assert_ptr_nonnull(g_state);
res = ykpiv_connect(g_state, NULL);
ck_assert_int_eq(res, YKPIV_OK);
// Verify decryption does not work without auth
res = ykpiv_decipher_data(g_state, data_in, (size_t)len, data, &len2, YKPIV_ALGO_RSA2048, 0x9a);
ck_assert_int_eq(res, YKPIV_AUTHENTICATION_ERROR);
// Verify decryption does work when authed
res = ykpiv_verify_select(g_state, "123456", 6, NULL, true);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_decipher_data(g_state, data_in, (size_t)len, data, &len2, YKPIV_ALGO_RSA2048, 0x9a);
ck_assert_int_eq(res, YKPIV_OK);
// Verify PIN policy allows continuing to decrypt without re-verifying
res = ykpiv_decipher_data(g_state, data_in, (size_t)len, data, &len2, YKPIV_ALGO_RSA2048, 0x9a);
ck_assert_int_eq(res, YKPIV_OK);
// Create a new ykpiv state, connect, and close it.
// This forces a card reset from another context, so the original global
// context will require a reconnect for its next transaction.
res = ykpiv_init(&local_state, true);
ck_assert_int_eq(res, YKPIV_OK);
ck_assert_ptr_nonnull(local_state);
res = ykpiv_connect(local_state, NULL);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_disconnect(local_state);
ck_assert_int_eq(res, YKPIV_OK);
res = ykpiv_done(local_state);
ck_assert_int_eq(res, YKPIV_OK);
// Verify we are still authenticated on the global context. This will
// require an automatic reconnect and re-verify with the cached PIN.
//
// Note that you can verify that this fails by rebuilding with
// DISABLE_PIN_CACHE set to 1.
res = ykpiv_decipher_data(g_state, data_in, (size_t)len, data, &len2, YKPIV_ALGO_RSA2048, 0x9a);
ck_assert_int_eq(res, YKPIV_OK);
}
END_TEST
#endif
int destruction_confirmed(void) {
char *confirmed = getenv("YKPIV_ENV_HWTESTS_CONFIRMED");
if (confirmed && confirmed[0] == '1')
return 1;
// Use dprintf() to write directly to stdout, since automake eats the standard stdout/stderr pointers.
dprintf(0, "\n***\n*** Hardware tests skipped. Run \"make hwcheck\".\n***\n\n");
return 0;
}
Suite *test_suite(void) {
Suite *s;
TCase *tc;
s = suite_create("libykpiv api");
tc = tcase_create("api");
#ifdef HW_TESTS
tcase_add_unchecked_fixture(tc, setup, teardown);
// Must be first: Reset device. Tests run serially, and depend on a clean slate.
tcase_add_test(tc, test_reset);
// Authenticate after reset.
tcase_add_test(tc, test_authenticate);
// Test API functionality
tcase_add_test(tc, test_change_pin);
tcase_add_test(tc, test_change_puk);
tcase_add_test(tc, test_devicemodel);
tcase_add_test(tc, test_get_set_cardid);
tcase_add_test(tc, test_list_readers);
tcase_add_test(tc, test_read_write_list_delete_cert);
tcase_add_test(tc, test_import_key);
tcase_add_test(tc, test_pin_policy_always);
tcase_add_test(tc, test_generate_key);
tcase_add_test(tc, test_pin_cache);
// Must be last: tear down and re-test with custom memory allocator
tcase_add_test(tc, test_allocator);
#endif
suite_add_tcase(s, tc);
return s;
}
int main(void)
{
int number_failed;
Suite *s;
SRunner *sr;
s = test_suite();
sr = srunner_create(s);
srunner_set_fork_status(sr, CK_NOFORK);
srunner_run_all(sr, CK_VERBOSE);
number_failed = srunner_ntests_failed(sr);
srunner_free(sr);
return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}
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