2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 #include "internal/cryptlib.h"
12 #include <openssl/buffer.h>
13 #include <openssl/objects.h>
14 #include <openssl/evp.h>
15 #include <openssl/x509.h>
16 #include <openssl/pkcs12.h>
17 #include <openssl/pem.h>
18 #include <openssl/engine.h>
19 #include <openssl/dh.h>
20 #include <openssl/store.h>
21 #include <openssl/ui.h>
22 #include <openssl/serializer.h>
23 #include "crypto/store.h"
24 #include "crypto/asn1.h"
25 #include "crypto/evp.h"
26 #include "pem_local.h"
28 int pem_check_suffix(const char *pem_str, const char *suffix);
30 EVP_PKEY *PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb,
34 OSSL_STORE_CTX *ctx = NULL;
35 OSSL_STORE_INFO *info = NULL;
36 UI_METHOD *ui_method = NULL;
38 if ((ui_method = UI_UTIL_wrap_read_pem_callback(cb, 0)) == NULL)
41 if ((ctx = ossl_store_attach_pem_bio(bp, ui_method, u)) == NULL)
43 #ifndef OPENSSL_NO_SECURE_HEAP
46 if (!OSSL_STORE_ctrl(ctx, OSSL_STORE_C_USE_SECMEM, &on))
51 while (!OSSL_STORE_eof(ctx) && (info = OSSL_STORE_load(ctx)) != NULL) {
52 if (OSSL_STORE_INFO_get_type(info) == OSSL_STORE_INFO_PKEY) {
53 ret = OSSL_STORE_INFO_get1_PKEY(info);
56 OSSL_STORE_INFO_free(info);
59 if (ret != NULL && x != NULL)
63 ossl_store_detach_pem_bio(ctx);
64 UI_destroy_method(ui_method);
65 OSSL_STORE_INFO_free(info);
69 PEM_write_cb_fnsig(PrivateKey, EVP_PKEY, BIO, write_bio)
71 IMPLEMENT_PEM_provided_write_body_vars(EVP_PKEY, PrivateKey);
73 IMPLEMENT_PEM_provided_write_body_pass();
74 IMPLEMENT_PEM_provided_write_body_main(EVP_PKEY, bio);
77 if (x->ameth == NULL || x->ameth->priv_encode != NULL)
78 return PEM_write_bio_PKCS8PrivateKey(out, x, enc,
79 (const char *)kstr, klen, cb, u);
80 return PEM_write_bio_PrivateKey_traditional(out, x, enc, kstr, klen, cb, u);
83 int PEM_write_bio_PrivateKey_traditional(BIO *bp, const EVP_PKEY *x,
84 const EVP_CIPHER *enc,
85 const unsigned char *kstr, int klen,
86 pem_password_cb *cb, void *u)
89 BIO_snprintf(pem_str, 80, "%s PRIVATE KEY", x->ameth->pem_str);
90 return PEM_ASN1_write_bio((i2d_of_void *)i2d_PrivateKey,
91 pem_str, bp, x, enc, kstr, klen, cb, u);
94 EVP_PKEY *PEM_read_bio_Parameters(BIO *bp, EVP_PKEY **x)
97 OSSL_STORE_CTX *ctx = NULL;
98 OSSL_STORE_INFO *info = NULL;
100 if ((ctx = ossl_store_attach_pem_bio(bp, UI_null(), NULL)) == NULL)
103 while (!OSSL_STORE_eof(ctx) && (info = OSSL_STORE_load(ctx)) != NULL) {
104 if (OSSL_STORE_INFO_get_type(info) == OSSL_STORE_INFO_PARAMS) {
105 ret = OSSL_STORE_INFO_get1_PARAMS(info);
108 OSSL_STORE_INFO_free(info);
111 if (ret != NULL && x != NULL)
115 ossl_store_detach_pem_bio(ctx);
116 OSSL_STORE_INFO_free(info);
120 PEM_write_fnsig(Parameters, EVP_PKEY, BIO, write_bio)
123 IMPLEMENT_PEM_provided_write_body_vars(EVP_PKEY, Parameters);
125 IMPLEMENT_PEM_provided_write_body_main(EVP_PKEY, bio);
128 if (!x->ameth || !x->ameth->param_encode)
131 BIO_snprintf(pem_str, 80, "%s PARAMETERS", x->ameth->pem_str);
132 return PEM_ASN1_write_bio((i2d_of_void *)x->ameth->param_encode,
133 pem_str, out, x, NULL, NULL, 0, 0, NULL);
136 #ifndef OPENSSL_NO_STDIO
137 EVP_PKEY *PEM_read_PrivateKey(FILE *fp, EVP_PKEY **x, pem_password_cb *cb,
143 if ((b = BIO_new(BIO_s_file())) == NULL) {
144 PEMerr(PEM_F_PEM_READ_PRIVATEKEY, ERR_R_BUF_LIB);
147 BIO_set_fp(b, fp, BIO_NOCLOSE);
148 ret = PEM_read_bio_PrivateKey(b, x, cb, u);
153 int PEM_write_PrivateKey(FILE *fp, const EVP_PKEY *x, const EVP_CIPHER *enc,
154 const unsigned char *kstr, int klen,
155 pem_password_cb *cb, void *u)
160 if ((b = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
161 PEMerr(PEM_F_PEM_WRITE_PRIVATEKEY, ERR_R_BUF_LIB);
164 ret = PEM_write_bio_PrivateKey(b, x, enc, kstr, klen, cb, u);
171 #ifndef OPENSSL_NO_DH
173 /* Transparently read in PKCS#3 or X9.42 DH parameters */
175 DH *PEM_read_bio_DHparams(BIO *bp, DH **x, pem_password_cb *cb, void *u)
178 EVP_PKEY *pkey = NULL;
179 OSSL_STORE_CTX *ctx = NULL;
180 OSSL_STORE_INFO *info = NULL;
181 UI_METHOD *ui_method = NULL;
183 if ((ui_method = UI_UTIL_wrap_read_pem_callback(cb, 0)) == NULL)
186 if ((ctx = ossl_store_attach_pem_bio(bp, ui_method, u)) == NULL)
189 while (!OSSL_STORE_eof(ctx) && (info = OSSL_STORE_load(ctx)) != NULL) {
190 if (OSSL_STORE_INFO_get_type(info) == OSSL_STORE_INFO_PARAMS) {
191 pkey = OSSL_STORE_INFO_get0_PARAMS(info);
192 if (EVP_PKEY_id(pkey) == EVP_PKEY_DHX
193 || EVP_PKEY_id(pkey) == EVP_PKEY_DH) {
194 ret = EVP_PKEY_get1_DH(pkey);
198 OSSL_STORE_INFO_free(info);
201 if (ret != NULL && x != NULL)
205 ossl_store_detach_pem_bio(ctx);
206 UI_destroy_method(ui_method);
207 OSSL_STORE_INFO_free(info);
211 # ifndef OPENSSL_NO_STDIO
212 DH *PEM_read_DHparams(FILE *fp, DH **x, pem_password_cb *cb, void *u)
217 if ((b = BIO_new(BIO_s_file())) == NULL) {
218 PEMerr(PEM_F_PEM_READ_DHPARAMS, ERR_R_BUF_LIB);
221 BIO_set_fp(b, fp, BIO_NOCLOSE);
222 ret = PEM_read_bio_DHparams(b, x, cb, u);