/*
- * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
#include <stdio.h>
#include "internal/cryptlib.h"
+#include <openssl/core_dispatch.h>
#include <openssl/buffer.h>
#include <openssl/objects.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/pkcs12.h>
#include <openssl/pem.h>
+#include <openssl/encoder.h>
static int do_pk8pkey(BIO *bp, const EVP_PKEY *x, int isder,
int nid, const EVP_CIPHER *enc,
- char *kstr, int klen, pem_password_cb *cb, void *u);
+ const char *kstr, int klen,
+ pem_password_cb *cb, void *u,
+ const char *propq);
#ifndef OPENSSL_NO_STDIO
static int do_pk8pkey_fp(FILE *bp, const EVP_PKEY *x, int isder,
int nid, const EVP_CIPHER *enc,
- char *kstr, int klen, pem_password_cb *cb, void *u);
+ const char *kstr, int klen,
+ pem_password_cb *cb, void *u,
+ const char *propq);
#endif
/*
* These functions write a private key in PKCS#8 format: it is a "drop in"
*/
int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, const EVP_PKEY *x, int nid,
- char *kstr, int klen,
+ const char *kstr, int klen,
pem_password_cb *cb, void *u)
{
- return do_pk8pkey(bp, x, 0, nid, NULL, kstr, klen, cb, u);
+ return do_pk8pkey(bp, x, 0, nid, NULL, kstr, klen, cb, u, NULL);
}
int PEM_write_bio_PKCS8PrivateKey(BIO *bp, const EVP_PKEY *x, const EVP_CIPHER *enc,
- char *kstr, int klen,
+ const char *kstr, int klen,
pem_password_cb *cb, void *u)
{
- return do_pk8pkey(bp, x, 0, -1, enc, kstr, klen, cb, u);
+ return do_pk8pkey(bp, x, 0, -1, enc, kstr, klen, cb, u, NULL);
}
int i2d_PKCS8PrivateKey_bio(BIO *bp, const EVP_PKEY *x, const EVP_CIPHER *enc,
- char *kstr, int klen,
+ const char *kstr, int klen,
pem_password_cb *cb, void *u)
{
- return do_pk8pkey(bp, x, 1, -1, enc, kstr, klen, cb, u);
+ return do_pk8pkey(bp, x, 1, -1, enc, kstr, klen, cb, u, NULL);
}
int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, const EVP_PKEY *x, int nid,
- char *kstr, int klen,
+ const char *kstr, int klen,
pem_password_cb *cb, void *u)
{
- return do_pk8pkey(bp, x, 1, nid, NULL, kstr, klen, cb, u);
+ return do_pk8pkey(bp, x, 1, nid, NULL, kstr, klen, cb, u, NULL);
}
static int do_pk8pkey(BIO *bp, const EVP_PKEY *x, int isder, int nid,
- const EVP_CIPHER *enc, char *kstr, int klen,
- pem_password_cb *cb, void *u)
+ const EVP_CIPHER *enc, const char *kstr, int klen,
+ pem_password_cb *cb, void *u, const char *propq)
{
- X509_SIG *p8;
- PKCS8_PRIV_KEY_INFO *p8inf;
- char buf[PEM_BUFSIZE];
- int ret;
+ int ret = 0;
+ const char *outtype = isder ? "DER" : "PEM";
+ OSSL_ENCODER_CTX *ctx =
+ OSSL_ENCODER_CTX_new_for_pkey(x, OSSL_KEYMGMT_SELECT_ALL,
+ outtype, "PrivateKeyInfo", propq);
- if ((p8inf = EVP_PKEY2PKCS8(x)) == NULL) {
- PEMerr(PEM_F_DO_PK8PKEY, PEM_R_ERROR_CONVERTING_PRIVATE_KEY);
+ if (ctx == NULL)
return 0;
+
+ /*
+ * If no keystring or callback is set, OpenSSL traditionally uses the
+ * user's cb argument as a password string, or if that's NULL, it falls
+ * back on PEM_def_callback().
+ */
+ if (kstr == NULL && cb == NULL) {
+ if (u != NULL) {
+ kstr = u;
+ klen = strlen(u);
+ } else {
+ cb = PEM_def_callback;
+ }
}
- if (enc || (nid != -1)) {
- if (!kstr) {
- if (!cb)
- klen = PEM_def_callback(buf, PEM_BUFSIZE, 1, u);
- else
- klen = cb(buf, PEM_BUFSIZE, 1, u);
- if (klen <= 0) {
- PEMerr(PEM_F_DO_PK8PKEY, PEM_R_READ_KEY);
- PKCS8_PRIV_KEY_INFO_free(p8inf);
- return 0;
- }
- kstr = buf;
+ /*
+ * NOTE: There is no attempt to do a EVP_CIPHER_fetch() using the nid,
+ * since the nid is a PBE algorithm which can't be fetched currently.
+ * (e.g. NID_pbe_WithSHA1And2_Key_TripleDES_CBC). Just use the legacy
+ * path if the NID is passed.
+ */
+ if (nid == -1 && OSSL_ENCODER_CTX_get_num_encoders(ctx) != 0) {
+ ret = 1;
+ if (enc != NULL) {
+ ret = 0;
+ if (OSSL_ENCODER_CTX_set_cipher(ctx, EVP_CIPHER_get0_name(enc),
+ NULL)) {
+ const unsigned char *ukstr = (const unsigned char *)kstr;
+
+ /*
+ * Try to pass the passphrase if one was given, or the
+ * passphrase callback if one was given. If none of them
+ * are given and that's wrong, we rely on the _to_bio()
+ * call to generate errors.
+ */
+ ret = 1;
+ if (kstr != NULL
+ && !OSSL_ENCODER_CTX_set_passphrase(ctx, ukstr, klen))
+ ret = 0;
+ else if (cb != NULL
+ && !OSSL_ENCODER_CTX_set_pem_password_cb(ctx, cb, u))
+ ret = 0;
+ }
}
- p8 = PKCS8_encrypt(nid, enc, kstr, klen, NULL, 0, 0, p8inf);
- if (kstr == buf)
- OPENSSL_cleanse(buf, klen);
- PKCS8_PRIV_KEY_INFO_free(p8inf);
- if (p8 == NULL)
- return 0;
- if (isder)
- ret = i2d_PKCS8_bio(bp, p8);
- else
- ret = PEM_write_bio_PKCS8(bp, p8);
- X509_SIG_free(p8);
- return ret;
+ ret = ret && OSSL_ENCODER_to_bio(ctx, bp);
} else {
- if (isder)
- ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
- else
- ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf);
+ X509_SIG *p8;
+ PKCS8_PRIV_KEY_INFO *p8inf;
+ char buf[PEM_BUFSIZE];
+
+ ret = 0;
+ if ((p8inf = EVP_PKEY2PKCS8(x)) == NULL) {
+ ERR_raise(ERR_LIB_PEM, PEM_R_ERROR_CONVERTING_PRIVATE_KEY);
+ goto legacy_end;
+ }
+ if (enc || (nid != -1)) {
+ if (kstr == NULL) {
+ klen = cb(buf, PEM_BUFSIZE, 1, u);
+ if (klen < 0) {
+ ERR_raise(ERR_LIB_PEM, PEM_R_READ_KEY);
+ goto legacy_end;
+ }
+
+ kstr = buf;
+ }
+ p8 = PKCS8_encrypt(nid, enc, kstr, klen, NULL, 0, 0, p8inf);
+ if (kstr == buf)
+ OPENSSL_cleanse(buf, klen);
+ if (p8 == NULL)
+ goto legacy_end;
+ if (isder)
+ ret = i2d_PKCS8_bio(bp, p8);
+ else
+ ret = PEM_write_bio_PKCS8(bp, p8);
+ X509_SIG_free(p8);
+ } else {
+ if (isder)
+ ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
+ else
+ ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf);
+ }
+ legacy_end:
PKCS8_PRIV_KEY_INFO_free(p8inf);
- return ret;
}
+ OSSL_ENCODER_CTX_free(ctx);
+ return ret;
}
EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb,
else
klen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u);
if (klen < 0) {
- PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_BIO, PEM_R_BAD_PASSWORD_READ);
+ ERR_raise(ERR_LIB_PEM, PEM_R_BAD_PASSWORD_READ);
X509_SIG_free(p8);
return NULL;
}
#ifndef OPENSSL_NO_STDIO
int i2d_PKCS8PrivateKey_fp(FILE *fp, const EVP_PKEY *x, const EVP_CIPHER *enc,
- char *kstr, int klen, pem_password_cb *cb, void *u)
+ const char *kstr, int klen,
+ pem_password_cb *cb, void *u)
{
- return do_pk8pkey_fp(fp, x, 1, -1, enc, kstr, klen, cb, u);
+ return do_pk8pkey_fp(fp, x, 1, -1, enc, kstr, klen, cb, u, NULL);
}
int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, const EVP_PKEY *x, int nid,
- char *kstr, int klen,
+ const char *kstr, int klen,
pem_password_cb *cb, void *u)
{
- return do_pk8pkey_fp(fp, x, 1, nid, NULL, kstr, klen, cb, u);
+ return do_pk8pkey_fp(fp, x, 1, nid, NULL, kstr, klen, cb, u, NULL);
}
int PEM_write_PKCS8PrivateKey_nid(FILE *fp, const EVP_PKEY *x, int nid,
- char *kstr, int klen,
+ const char *kstr, int klen,
pem_password_cb *cb, void *u)
{
- return do_pk8pkey_fp(fp, x, 0, nid, NULL, kstr, klen, cb, u);
+ return do_pk8pkey_fp(fp, x, 0, nid, NULL, kstr, klen, cb, u, NULL);
}
int PEM_write_PKCS8PrivateKey(FILE *fp, const EVP_PKEY *x, const EVP_CIPHER *enc,
- char *kstr, int klen, pem_password_cb *cb,
- void *u)
+ const char *kstr, int klen,
+ pem_password_cb *cb, void *u)
{
- return do_pk8pkey_fp(fp, x, 0, -1, enc, kstr, klen, cb, u);
+ return do_pk8pkey_fp(fp, x, 0, -1, enc, kstr, klen, cb, u, NULL);
}
static int do_pk8pkey_fp(FILE *fp, const EVP_PKEY *x, int isder, int nid,
- const EVP_CIPHER *enc, char *kstr, int klen,
- pem_password_cb *cb, void *u)
+ const EVP_CIPHER *enc, const char *kstr, int klen,
+ pem_password_cb *cb, void *u, const char *propq)
{
BIO *bp;
int ret;
if ((bp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
- PEMerr(PEM_F_DO_PK8PKEY_FP, ERR_R_BUF_LIB);
+ ERR_raise(ERR_LIB_PEM, ERR_R_BUF_LIB);
return 0;
}
- ret = do_pk8pkey(bp, x, isder, nid, enc, kstr, klen, cb, u);
+ ret = do_pk8pkey(bp, x, isder, nid, enc, kstr, klen, cb, u, propq);
BIO_free(bp);
return ret;
}
EVP_PKEY *ret;
if ((bp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
- PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_FP, ERR_R_BUF_LIB);
+ ERR_raise(ERR_LIB_PEM, ERR_R_BUF_LIB);
return NULL;
}
ret = d2i_PKCS8PrivateKey_bio(bp, x, cb, u);
IMPLEMENT_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF,
- PKCS8_PRIV_KEY_INFO)
+ PKCS8_PRIV_KEY_INFO)
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