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Diffstat (limited to 'openssl/crypto/pem/pem_pk8.c')
| -rw-r--r-- | openssl/crypto/pem/pem_pk8.c | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/openssl/crypto/pem/pem_pk8.c b/openssl/crypto/pem/pem_pk8.c new file mode 100644 index 0000000..5747c73 --- /dev/null +++ b/openssl/crypto/pem/pem_pk8.c @@ -0,0 +1,259 @@ +/* crypto/pem/pem_pkey.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#include <stdio.h> +#include "cryptlib.h" +#include <openssl/buffer.h> +#include <openssl/objects.h> +#include <openssl/evp.h> +#include <openssl/rand.h> +#include <openssl/x509.h> +#include <openssl/pkcs12.h> +#include <openssl/pem.h> + +static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, + int nid, const EVP_CIPHER *enc, + char *kstr, int klen, pem_password_cb *cb, void *u); +static int do_pk8pkey_fp(FILE *bp, EVP_PKEY *x, int isder, + int nid, const EVP_CIPHER *enc, + char *kstr, int klen, pem_password_cb *cb, void *u); + +/* + * These functions write a private key in PKCS#8 format: it is a "drop in" + * replacement for PEM_write_bio_PrivateKey() and friends. As usual if 'enc' + * is NULL then it uses the unencrypted private key form. The 'nid' versions + * uses PKCS#5 v1.5 PBE algorithms whereas the others use PKCS#5 v2.0. + */ + +int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid, + char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + return do_pk8pkey(bp, x, 0, nid, NULL, kstr, klen, cb, u); +} + +int PEM_write_bio_PKCS8PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc, + char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + return do_pk8pkey(bp, x, 0, -1, enc, kstr, klen, cb, u); +} + +int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc, + char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + return do_pk8pkey(bp, x, 1, -1, enc, kstr, klen, cb, u); +} + +int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid, + char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + return do_pk8pkey(bp, x, 1, nid, NULL, kstr, klen, cb, u); +} + +static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, int nid, + const EVP_CIPHER *enc, char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + X509_SIG *p8; + PKCS8_PRIV_KEY_INFO *p8inf; + char buf[PEM_BUFSIZE]; + int ret; + if (!(p8inf = EVP_PKEY2PKCS8(x))) { + PEMerr(PEM_F_DO_PK8PKEY, PEM_R_ERROR_CONVERTING_PRIVATE_KEY); + return 0; + } + 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; + } + 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; + } else { + if (isder) + ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf); + else + ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf); + PKCS8_PRIV_KEY_INFO_free(p8inf); + return ret; + } +} + +EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, + void *u) +{ + PKCS8_PRIV_KEY_INFO *p8inf = NULL; + X509_SIG *p8 = NULL; + int klen; + EVP_PKEY *ret; + char psbuf[PEM_BUFSIZE]; + p8 = d2i_PKCS8_bio(bp, NULL); + if (!p8) + return NULL; + if (cb) + klen = cb(psbuf, PEM_BUFSIZE, 0, u); + else + klen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u); + if (klen <= 0) { + PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_BIO, PEM_R_BAD_PASSWORD_READ); + X509_SIG_free(p8); + return NULL; + } + p8inf = PKCS8_decrypt(p8, psbuf, klen); + X509_SIG_free(p8); + if (!p8inf) + return NULL; + ret = EVP_PKCS82PKEY(p8inf); + PKCS8_PRIV_KEY_INFO_free(p8inf); + if (!ret) + return NULL; + if (x) { + if (*x) + EVP_PKEY_free(*x); + *x = ret; + } + return ret; +} + +#ifndef OPENSSL_NO_FP_API + +int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc, + char *kstr, int klen, pem_password_cb *cb, void *u) +{ + return do_pk8pkey_fp(fp, x, 1, -1, enc, kstr, klen, cb, u); +} + +int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid, + char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + return do_pk8pkey_fp(fp, x, 1, nid, NULL, kstr, klen, cb, u); +} + +int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid, + char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + return do_pk8pkey_fp(fp, x, 0, nid, NULL, kstr, klen, cb, u); +} + +int PEM_write_PKCS8PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc, + char *kstr, int klen, pem_password_cb *cb, + void *u) +{ + return do_pk8pkey_fp(fp, x, 0, -1, enc, kstr, klen, cb, u); +} + +static int do_pk8pkey_fp(FILE *fp, EVP_PKEY *x, int isder, int nid, + const EVP_CIPHER *enc, char *kstr, int klen, + pem_password_cb *cb, void *u) +{ + BIO *bp; + int ret; + if (!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) { + PEMerr(PEM_F_DO_PK8PKEY_FP, ERR_R_BUF_LIB); + return (0); + } + ret = do_pk8pkey(bp, x, isder, nid, enc, kstr, klen, cb, u); + BIO_free(bp); + return ret; +} + +EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, + void *u) +{ + BIO *bp; + EVP_PKEY *ret; + if (!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) { + PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_FP, ERR_R_BUF_LIB); + return NULL; + } + ret = d2i_PKCS8PrivateKey_bio(bp, x, cb, u); + BIO_free(bp); + return ret; +} + +#endif + +IMPLEMENT_PEM_rw(PKCS8, X509_SIG, PEM_STRING_PKCS8, X509_SIG) + + +IMPLEMENT_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF, + PKCS8_PRIV_KEY_INFO) |