mirror of https://github.com/openssl/openssl.git
261 lines
7.9 KiB
C
261 lines
7.9 KiB
C
/*
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* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <string.h>
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#include <openssl/bio.h>
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#include <openssl/bn.h>
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#include <openssl/rsa.h>
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#include <openssl/evp.h>
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#include <openssl/provider.h>
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#include <openssl/core_names.h>
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#include "internal/core.h"
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#include "internal/nelem.h"
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#include "crypto/evp.h" /* For the internal API */
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#include "testutil.h"
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typedef struct {
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OPENSSL_CTX *ctx1;
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OSSL_PROVIDER *prov1;
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OPENSSL_CTX *ctx2;
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OSSL_PROVIDER *prov2;
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} FIXTURE;
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static void tear_down(FIXTURE *fixture)
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{
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if (fixture != NULL) {
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OSSL_PROVIDER_unload(fixture->prov1);
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OSSL_PROVIDER_unload(fixture->prov2);
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OPENSSL_CTX_free(fixture->ctx1);
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OPENSSL_CTX_free(fixture->ctx2);
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OPENSSL_free(fixture);
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}
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}
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static FIXTURE *set_up(const char *testcase_name)
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{
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FIXTURE *fixture;
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if (!TEST_ptr(fixture = OPENSSL_zalloc(sizeof(*fixture)))
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|| !TEST_ptr(fixture->ctx1 = OPENSSL_CTX_new())
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|| !TEST_ptr(fixture->prov1 = OSSL_PROVIDER_load(fixture->ctx1,
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"default"))
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|| !TEST_ptr(fixture->ctx2 = OPENSSL_CTX_new())
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|| !TEST_ptr(fixture->prov2 = OSSL_PROVIDER_load(fixture->ctx2,
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"default"))) {
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tear_down(fixture);
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return NULL;
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}
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return fixture;
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}
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/* Array indexes */
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#define N 0
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#define E 1
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#define D 2
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#define P 3
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#define Q 4
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#define F3 5 /* Extra factor */
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#define DP 6
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#define DQ 7
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#define E3 8 /* Extra exponent */
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#define QINV 9
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#define C3 10 /* Extra coefficient */
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/*
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* We have to do this because OSSL_PARAM_get_ulong() can't handle params
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* holding data that isn't exactly sizeof(uint32_t) or sizeof(uint64_t),
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* and because the other end deals with BIGNUM, the resulting param might
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* be any size. In this particular test, we know that the expected data
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* fits within an unsigned long, and we want to get the data in that form
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* to make testing of values easier.
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*/
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static int get_ulong_via_BN(const OSSL_PARAM *p, unsigned long *goal)
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{
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BIGNUM *n = NULL;
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int ret = 1; /* Ever so hopeful */
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if (!TEST_true(OSSL_PARAM_get_BN(p, &n))
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|| !TEST_true(BN_bn2nativepad(n, (unsigned char *)goal, sizeof(*goal))))
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ret = 0;
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BN_free(n);
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return ret;
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}
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static int export_cb(const OSSL_PARAM *params, void *arg)
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{
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unsigned long *keydata = arg;
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const OSSL_PARAM *p = NULL;
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int factors_idx;
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int exponents_idx;
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int coefficients_idx;
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int ret = 1; /* Ever so hopeful */
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if (keydata == NULL)
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return 0;
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if (!TEST_ptr(p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_N))
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|| !TEST_true(get_ulong_via_BN(p, &keydata[N]))
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|| !TEST_ptr(p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_E))
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|| !TEST_true(get_ulong_via_BN(p, &keydata[E]))
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|| !TEST_ptr(p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_D))
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|| !TEST_true(get_ulong_via_BN(p, &keydata[D])))
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ret = 0;
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for (p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_FACTOR),
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factors_idx = P;
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p != NULL && factors_idx <= F3;
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p = OSSL_PARAM_locate_const(p + 1, OSSL_PKEY_PARAM_RSA_FACTOR),
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factors_idx++)
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if (!TEST_true(get_ulong_via_BN(p, &keydata[factors_idx])))
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ret = 0;
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for (p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_EXPONENT),
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exponents_idx = DP;
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p != NULL && exponents_idx <= E3;
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p = OSSL_PARAM_locate_const(p + 1, OSSL_PKEY_PARAM_RSA_EXPONENT),
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exponents_idx++)
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if (!TEST_true(get_ulong_via_BN(p, &keydata[exponents_idx])))
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ret = 0;
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for (p = OSSL_PARAM_locate_const(params, OSSL_PKEY_PARAM_RSA_COEFFICIENT),
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coefficients_idx = QINV;
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p != NULL && coefficients_idx <= C3;
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p = OSSL_PARAM_locate_const(p + 1, OSSL_PKEY_PARAM_RSA_COEFFICIENT),
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coefficients_idx++)
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if (!TEST_true(get_ulong_via_BN(p, &keydata[coefficients_idx])))
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ret = 0;
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if (!TEST_int_le(factors_idx, F3)
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|| !TEST_int_le(exponents_idx, E3)
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|| !TEST_int_le(coefficients_idx, C3))
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ret = 0;
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return ret;
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}
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static int test_pass_rsa(FIXTURE *fixture)
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{
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size_t i;
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int ret = 0;
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RSA *rsa = NULL;
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BIGNUM *bn1 = NULL, *bn2 = NULL, *bn3 = NULL;
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EVP_PKEY *pk = NULL;
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EVP_KEYMGMT *km1 = NULL, *km2 = NULL;
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void *provdata = NULL;
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/*
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* 32-bit RSA key, extracted from this command,
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* executed with OpenSSL 1.0.2:
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*
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* openssl genrsa 32 | openssl rsa -text
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*/
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static BN_ULONG expected[] = {
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0xbc747fc5, /* N */
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0x10001, /* E */
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0x7b133399, /* D */
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0xe963, /* P */
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0xceb7, /* Q */
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0, /* F3 */
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0x8599, /* DP */
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0xbd87, /* DQ */
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0, /* E3 */
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0xcc3b, /* QINV */
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0, /* C3 */
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0 /* Extra, should remain zero */
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};
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static unsigned long keydata[OSSL_NELEM(expected)] = { 0, };
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if (!TEST_ptr(rsa = RSA_new()))
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goto err;
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if (!TEST_ptr(bn1 = BN_new())
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|| !TEST_true(BN_set_word(bn1, expected[N]))
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|| !TEST_ptr(bn2 = BN_new())
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|| !TEST_true(BN_set_word(bn2, expected[E]))
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|| !TEST_ptr(bn3 = BN_new())
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|| !TEST_true(BN_set_word(bn3, expected[D]))
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|| !TEST_true(RSA_set0_key(rsa, bn1, bn2, bn3)))
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goto err;
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if (!TEST_ptr(bn1 = BN_new())
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|| !TEST_true(BN_set_word(bn1, expected[P]))
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|| !TEST_ptr(bn2 = BN_new())
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|| !TEST_true(BN_set_word(bn2, expected[Q]))
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|| !TEST_true(RSA_set0_factors(rsa, bn1, bn2)))
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goto err;
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if (!TEST_ptr(bn1 = BN_new())
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|| !TEST_true(BN_set_word(bn1, expected[DP]))
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|| !TEST_ptr(bn2 = BN_new())
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|| !TEST_true(BN_set_word(bn2, expected[DQ]))
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|| !TEST_ptr(bn3 = BN_new())
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|| !TEST_true(BN_set_word(bn3, expected[QINV]))
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|| !TEST_true(RSA_set0_crt_params(rsa, bn1, bn2, bn3)))
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goto err;
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bn1 = bn2 = bn3 = NULL;
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if (!TEST_ptr(pk = EVP_PKEY_new())
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|| !TEST_true(EVP_PKEY_assign_RSA(pk, rsa)))
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goto err;
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rsa = NULL;
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if (!TEST_ptr(km1 = EVP_KEYMGMT_fetch(fixture->ctx1, "RSA", NULL))
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|| !TEST_ptr(km2 = EVP_KEYMGMT_fetch(fixture->ctx2, "RSA", NULL))
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|| !TEST_ptr_ne(km1, km2))
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goto err;
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if (!TEST_ptr(evp_keymgmt_export_to_provider(pk, km1, 0))
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|| !TEST_ptr(provdata = evp_keymgmt_export_to_provider(pk, km2, 0)))
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goto err;
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if (!TEST_true(evp_keymgmt_exportkey(km2, provdata, &export_cb, keydata)))
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goto err;
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/*
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* At this point, the hope is that keydata will have all the numbers
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* from the key.
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*/
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for (i = 0; i < OSSL_NELEM(expected); i++) {
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int rv = TEST_int_eq(expected[i], keydata[i]);
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if (!rv)
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TEST_info("i = %zu", i);
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else
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ret++;
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}
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ret = (ret == OSSL_NELEM(expected));
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err:
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RSA_free(rsa);
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BN_free(bn1);
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BN_free(bn2);
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BN_free(bn3);
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EVP_PKEY_free(pk);
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EVP_KEYMGMT_free(km1);
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EVP_KEYMGMT_free(km2);
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return ret;
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}
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static int (*tests[])(FIXTURE *) = {
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test_pass_rsa
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};
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static int test_pass_key(int n)
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{
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SETUP_TEST_FIXTURE(FIXTURE, set_up);
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EXECUTE_TEST(tests[n], tear_down);
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return result;
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}
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int setup_tests(void)
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{
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ADD_ALL_TESTS(test_pass_key, 1);
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return 1;
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}
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