mirror of
https://github.com/openssl/openssl.git
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8020d79b40
Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/14512)
120 lines
4.0 KiB
C
120 lines
4.0 KiB
C
/*
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* Copyright 1999-2021 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 <stdio.h>
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#include "internal/cryptlib.h"
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#include <openssl/pkcs12.h>
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#include <openssl/bn.h>
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#include <openssl/trace.h>
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#include <openssl/kdf.h>
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#include <openssl/core_names.h>
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#include "internal/provider.h"
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int PKCS12_key_gen_asc(const char *pass, int passlen, unsigned char *salt,
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int saltlen, int id, int iter, int n,
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unsigned char *out, const EVP_MD *md_type)
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{
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int ret;
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unsigned char *unipass;
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int uniplen;
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if (pass == NULL) {
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unipass = NULL;
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uniplen = 0;
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} else if (!OPENSSL_asc2uni(pass, passlen, &unipass, &uniplen)) {
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ERR_raise(ERR_LIB_PKCS12, ERR_R_MALLOC_FAILURE);
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return 0;
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}
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ret = PKCS12_key_gen_uni(unipass, uniplen, salt, saltlen,
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id, iter, n, out, md_type);
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OPENSSL_clear_free(unipass, uniplen);
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return ret > 0;
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}
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int PKCS12_key_gen_utf8(const char *pass, int passlen, unsigned char *salt,
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int saltlen, int id, int iter, int n,
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unsigned char *out, const EVP_MD *md_type)
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{
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int ret;
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unsigned char *unipass;
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int uniplen;
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if (pass == NULL) {
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unipass = NULL;
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uniplen = 0;
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} else if (!OPENSSL_utf82uni(pass, passlen, &unipass, &uniplen)) {
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ERR_raise(ERR_LIB_PKCS12, ERR_R_MALLOC_FAILURE);
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return 0;
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}
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ret = PKCS12_key_gen_uni(unipass, uniplen, salt, saltlen,
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id, iter, n, out, md_type);
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OPENSSL_clear_free(unipass, uniplen);
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return ret > 0;
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}
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int PKCS12_key_gen_uni(unsigned char *pass, int passlen, unsigned char *salt,
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int saltlen, int id, int iter, int n,
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unsigned char *out, const EVP_MD *md_type)
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{
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int res = 0;
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EVP_KDF *kdf;
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EVP_KDF_CTX *ctx;
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OSSL_PARAM params[6], *p = params;
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if (n <= 0)
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return 0;
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/*
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* The parameter query isn't available but the library context can be
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* extracted from the passed digest.
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*/
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kdf = EVP_KDF_fetch(ossl_provider_libctx(EVP_MD_provider(md_type)),
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"PKCS12KDF", NULL);
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if (kdf == NULL)
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return 0;
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ctx = EVP_KDF_CTX_new(kdf);
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EVP_KDF_free(kdf);
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if (ctx == NULL)
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return 0;
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*p++ = OSSL_PARAM_construct_utf8_string(OSSL_KDF_PARAM_DIGEST,
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(char *)EVP_MD_name(md_type), 0);
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*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_PASSWORD,
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pass, passlen);
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*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SALT,
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salt, saltlen);
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*p++ = OSSL_PARAM_construct_int(OSSL_KDF_PARAM_PKCS12_ID, &id);
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*p++ = OSSL_PARAM_construct_int(OSSL_KDF_PARAM_ITER, &iter);
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*p = OSSL_PARAM_construct_end();
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if (!EVP_KDF_CTX_set_params(ctx, params))
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goto err;
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OSSL_TRACE_BEGIN(PKCS12_KEYGEN) {
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BIO_printf(trc_out, "PKCS12_key_gen_uni(): ID %d, ITER %d\n", id, iter);
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BIO_printf(trc_out, "Password (length %d):\n", passlen);
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BIO_hex_string(trc_out, 0, passlen, pass, passlen);
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BIO_printf(trc_out, "\n");
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BIO_printf(trc_out, "Salt (length %d):\n", saltlen);
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BIO_hex_string(trc_out, 0, saltlen, salt, saltlen);
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BIO_printf(trc_out, "\n");
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} OSSL_TRACE_END(PKCS12_KEYGEN);
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if (EVP_KDF_derive(ctx, out, (size_t)n, NULL)) {
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res = 1;
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OSSL_TRACE_BEGIN(PKCS12_KEYGEN) {
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BIO_printf(trc_out, "Output KEY (length %d)\n", n);
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BIO_hex_string(trc_out, 0, n, out, n);
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BIO_printf(trc_out, "\n");
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} OSSL_TRACE_END(PKCS12_KEYGEN);
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}
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err:
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EVP_KDF_CTX_free(ctx);
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return res;
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}
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