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c5f8713443
Use of the low level RSA functions has been informally discouraged for a long time. We now formally deprecate them. Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/11063)
120 lines
4.4 KiB
C
120 lines
4.4 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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/*
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* RSA low level APIs are deprecated for public use, but still ok for
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* internal use.
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*/
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#include "internal/deprecated.h"
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#include "crypto/rsa.h" /* rsa_get0_all_params() */
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#include "prov/bio.h" /* ossl_prov_bio_printf() */
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#include "prov/implementations.h" /* rsa_keymgmt_functions */
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#include "serializer_local.h"
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DEFINE_SPECIAL_STACK_OF_CONST(BIGNUM_const, BIGNUM)
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OSSL_OP_keymgmt_new_fn *ossl_prov_get_keymgmt_rsa_new(void)
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{
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return ossl_prov_get_keymgmt_new(rsa_keymgmt_functions);
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}
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OSSL_OP_keymgmt_free_fn *ossl_prov_get_keymgmt_rsa_free(void)
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{
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return ossl_prov_get_keymgmt_free(rsa_keymgmt_functions);
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}
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OSSL_OP_keymgmt_import_fn *ossl_prov_get_keymgmt_rsa_import(void)
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{
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return ossl_prov_get_keymgmt_import(rsa_keymgmt_functions);
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}
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int ossl_prov_print_rsa(BIO *out, RSA *rsa, int priv)
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{
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const char *modulus_label;
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const char *exponent_label;
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const BIGNUM *rsa_d = NULL, *rsa_n = NULL, *rsa_e = NULL;
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STACK_OF(BIGNUM_const) *factors = sk_BIGNUM_const_new_null();
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STACK_OF(BIGNUM_const) *exps = sk_BIGNUM_const_new_null();
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STACK_OF(BIGNUM_const) *coeffs = sk_BIGNUM_const_new_null();
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int ret = 0;
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if (rsa == NULL || factors == NULL || exps == NULL || coeffs == NULL)
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goto err;
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RSA_get0_key(rsa, &rsa_n, &rsa_e, &rsa_d);
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rsa_get0_all_params(rsa, factors, exps, coeffs);
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if (priv && rsa_d != NULL) {
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if (ossl_prov_bio_printf(out, "Private-Key: (%d bit, %d primes)\n",
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BN_num_bits(rsa_n),
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sk_BIGNUM_const_num(factors)) <= 0)
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goto err;
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modulus_label = "modulus:";
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exponent_label = "publicExponent:";
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} else {
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if (ossl_prov_bio_printf(out, "Public-Key: (%d bit)\n",
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BN_num_bits(rsa_n)) <= 0)
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goto err;
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modulus_label = "Modulus:";
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exponent_label = "Exponent:";
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}
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if (!ossl_prov_print_labeled_bignum(out, modulus_label, rsa_n))
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goto err;
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if (!ossl_prov_print_labeled_bignum(out, exponent_label, rsa_e))
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goto err;
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if (priv) {
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int i;
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if (!ossl_prov_print_labeled_bignum(out, "privateExponent:", rsa_d))
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goto err;
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if (!ossl_prov_print_labeled_bignum(out, "prime1:",
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sk_BIGNUM_const_value(factors, 0)))
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goto err;
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if (!ossl_prov_print_labeled_bignum(out, "prime2:",
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sk_BIGNUM_const_value(factors, 1)))
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goto err;
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if (!ossl_prov_print_labeled_bignum(out, "exponent1:",
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sk_BIGNUM_const_value(exps, 0)))
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goto err;
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if (!ossl_prov_print_labeled_bignum(out, "exponent2:",
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sk_BIGNUM_const_value(exps, 1)))
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goto err;
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if (!ossl_prov_print_labeled_bignum(out, "coefficient:",
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sk_BIGNUM_const_value(coeffs, 0)))
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goto err;
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for (i = 2; i < sk_BIGNUM_const_num(factors); i++) {
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if (ossl_prov_bio_printf(out, "prime%d:", i + 1) <= 0)
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goto err;
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if (!ossl_prov_print_labeled_bignum(out, NULL,
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sk_BIGNUM_const_value(factors,
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i)))
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goto err;
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if (ossl_prov_bio_printf(out, "exponent%d:", i + 1) <= 0)
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goto err;
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if (!ossl_prov_print_labeled_bignum(out, NULL,
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sk_BIGNUM_const_value(exps, i)))
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goto err;
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if (ossl_prov_bio_printf(out, "coefficient%d:", i + 1) <= 0)
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goto err;
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if (!ossl_prov_print_labeled_bignum(out, NULL,
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sk_BIGNUM_const_value(coeffs,
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i - 1)))
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goto err;
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}
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}
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ret = 1;
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err:
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sk_BIGNUM_const_free(factors);
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sk_BIGNUM_const_free(exps);
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sk_BIGNUM_const_free(coeffs);
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return ret;
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}
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