Improve diagnostics for invalid arguments in asn1parse -strparse
[openssl.git] / crypto / pem / pem_all.c
index d1cda7aabe4395f3bbc5e1ef87da8718e7d4980b..0e71813113403e2cc2f824c4a861ab87f2a2027f 100644 (file)
-/* crypto/pem/pem_all.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. 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.]
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
  */
 
 #include <stdio.h>
-#undef SSLEAY_MACROS
-#include "cryptlib.h"
-#include "bio.h"
-#include "evp.h"
-#include "x509.h"
-#include "pkcs7.h"
-#include "pem.h"
+#include "internal/cryptlib.h"
+#include <openssl/bio.h>
+#include <openssl/evp.h>
+#include <openssl/x509.h>
+#include <openssl/pkcs7.h>
+#include <openssl/pem.h>
+#include <openssl/rsa.h>
+#include <openssl/dsa.h>
+#include <openssl/dh.h>
 
-#ifndef NO_FP_API
-/* The X509 functions */
-X509 *PEM_read_X509(fp,x,cb)
-FILE *fp;
-X509 **x;
-int (*cb)();
-       {
-       return((X509 *)PEM_ASN1_read((char *(*)())d2i_X509,
-               PEM_STRING_X509,fp,(char **)x,cb));
-       }
+#ifndef OPENSSL_NO_RSA
+static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa);
 #endif
-
-X509 *PEM_read_bio_X509(bp,x,cb)
-BIO *bp;
-X509 **x;
-int (*cb)();
-       {
-       return((X509 *)PEM_ASN1_read_bio((char *(*)())d2i_X509,
-               PEM_STRING_X509,bp,(char **)x,cb));
-       }
-
-#ifndef NO_FP_API
-int PEM_write_X509(fp,x)
-FILE *fp;
-X509 *x;
-       {
-       return(PEM_ASN1_write((int (*)())i2d_X509,PEM_STRING_X509,fp,
-               (char *)x, NULL,NULL,0,NULL));
-       }
-#endif
-
-int PEM_write_bio_X509(bp,x)
-BIO *bp;
-X509 *x;
-       {
-       return(PEM_ASN1_write_bio((int (*)())i2d_X509,PEM_STRING_X509,bp,
-               (char *)x, NULL,NULL,0,NULL));
-       }
-
-#ifndef NO_FP_API
-/* The X509_REQ functions */
-X509_REQ *PEM_read_X509_REQ(fp,x,cb)
-FILE *fp;
-X509_REQ **x;
-int (*cb)();
-       {
-       return((X509_REQ *)PEM_ASN1_read((char *(*)())d2i_X509_REQ,
-               PEM_STRING_X509_REQ,fp,(char **)x,cb));
-       }
-#endif
-
-X509_REQ *PEM_read_bio_X509_REQ(bp,x,cb)
-BIO *bp;
-X509_REQ **x;
-int (*cb)();
-       {
-       return((X509_REQ *)PEM_ASN1_read_bio((char *(*)())d2i_X509_REQ,
-               PEM_STRING_X509_REQ,bp,(char **)x,cb));
-       }
-
-#ifndef NO_FP_API
-int PEM_write_X509_REQ(fp,x)
-FILE *fp;
-X509_REQ *x;
-       {
-       return(PEM_ASN1_write((int (*)())i2d_X509_REQ,PEM_STRING_X509_REQ,fp,
-               (char *)x, NULL,NULL,0,NULL));
-       }
-#endif
-
-int PEM_write_bio_X509_REQ(bp,x)
-BIO *bp;
-X509_REQ *x;
-       {
-       return(PEM_ASN1_write_bio((int (*)())i2d_X509_REQ,PEM_STRING_X509_REQ,
-               bp,(char *)x, NULL,NULL,0,NULL));
-       }
-
-#ifndef NO_FP_API
-/* The X509_CRL functions */
-X509_CRL *PEM_read_X509_CRL(fp,x,cb)
-FILE *fp;
-X509_CRL **x;
-int (*cb)();
-       {
-       return((X509_CRL *)PEM_ASN1_read((char *(*)())d2i_X509_CRL,
-               PEM_STRING_X509_CRL,fp,(char **)x,cb));
-       }
-#endif
-
-X509_CRL *PEM_read_bio_X509_CRL(bp,x,cb)
-BIO *bp;
-X509_CRL **x;
-int (*cb)();
-       {
-       return((X509_CRL *)PEM_ASN1_read_bio((char *(*)())d2i_X509_CRL,
-               PEM_STRING_X509_CRL,bp,(char **)x,cb));
-       }
-
-#ifndef NO_FP_API
-int PEM_write_X509_CRL(fp,x)
-FILE *fp;
-X509_CRL *x;
-       {
-       return(PEM_ASN1_write((int (*)())i2d_X509_CRL,PEM_STRING_X509_CRL,fp,
-               (char *)x, NULL,NULL,0,NULL));
-       }
+#ifndef OPENSSL_NO_DSA
+static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa);
 #endif
 
-int PEM_write_bio_X509_CRL(bp,x)
-BIO *bp;
-X509_CRL *x;
-       {
-       return(PEM_ASN1_write_bio((int (*)())i2d_X509_CRL,PEM_STRING_X509_CRL,
-               bp,(char *)x, NULL,NULL,0,NULL));
-       }
-
-#ifndef NO_RSA
-#ifndef NO_FP_API
-/* The RSAPrivateKey functions */
-RSA *PEM_read_RSAPrivateKey(fp,x,cb)
-FILE *fp;
-RSA **x;
-int (*cb)();
-       {
-       return((RSA *)PEM_ASN1_read((char *(*)())d2i_RSAPrivateKey,
-               PEM_STRING_RSA,fp,(char **)x,cb));
-       }
-
-RSA *PEM_read_RSAPublicKey(fp,x,cb)
-FILE *fp;
-RSA **x;
-int (*cb)();
-       {
-       return((RSA *)PEM_ASN1_read((char *(*)())d2i_RSAPublicKey,
-               PEM_STRING_RSA_PUBLIC,fp,(char **)x,cb));
-       }
-#endif
-
-RSA *PEM_read_bio_RSAPrivateKey(bp,x,cb)
-BIO *bp;
-RSA **x;
-int (*cb)();
-       {
-       return((RSA *)PEM_ASN1_read_bio((char *(*)())d2i_RSAPrivateKey,
-               PEM_STRING_RSA,bp,(char **)x,cb));
-       }
-
-RSA *PEM_read_bio_RSAPublicKey(bp,x,cb)
-BIO *bp;
-RSA **x;
-int (*cb)();
-       {
-       return((RSA *)PEM_ASN1_read_bio((char *(*)())d2i_RSAPublicKey,
-               PEM_STRING_RSA_PUBLIC,bp,(char **)x,cb));
-       }
-
-#ifndef NO_FP_API
-int PEM_write_RSAPrivateKey(fp,x,enc,kstr,klen,cb)
-FILE *fp;
-RSA *x;
-EVP_CIPHER *enc;
-unsigned char *kstr;
-int klen;
-int (*cb)();
-       {
-       return(PEM_ASN1_write((int (*)())i2d_RSAPrivateKey,PEM_STRING_RSA,fp,
-               (char *)x,enc,kstr,klen,cb));
-       }
-
-int PEM_write_RSAPublicKey(fp,x)
-FILE *fp;
-RSA *x;
-       {
-       return(PEM_ASN1_write((int (*)())i2d_RSAPublicKey,
-               PEM_STRING_RSA_PUBLIC,fp,
-               (char *)x,NULL,NULL,0,NULL));
-       }
+#ifndef OPENSSL_NO_EC
+static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey);
 #endif
 
-int PEM_write_bio_RSAPrivateKey(bp,x,enc,kstr,klen,cb)
-BIO *bp;
-RSA *x;
-EVP_CIPHER *enc;
-unsigned char *kstr;
-int klen;
-int (*cb)();
-       {
-       return(PEM_ASN1_write_bio((int (*)())i2d_RSAPrivateKey,PEM_STRING_RSA,
-               bp,(char *)x,enc,kstr,klen,cb));
-       }
+IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ)
 
-int PEM_write_bio_RSAPublicKey(bp,x)
-BIO *bp;
-RSA *x;
-       {
-       return(PEM_ASN1_write_bio((int (*)())i2d_RSAPublicKey,
-               PEM_STRING_RSA_PUBLIC,
-               bp,(char *)x,NULL,NULL,0,NULL));
-       }
-#endif /* !NO_RSA */
-
-#ifndef NO_DSA
-#ifndef NO_FP_API
-/* The DSAPrivateKey functions */
-DSA *PEM_read_DSAPrivateKey(fp,x,cb)
-FILE *fp;
-DSA **x;
-int (*cb)();
-       {
-       return((DSA *)PEM_ASN1_read((char *(*)())d2i_DSAPrivateKey,
-               PEM_STRING_DSA,fp,(char **)x,cb));
-       }
-#endif
-
-DSA *PEM_read_bio_DSAPrivateKey(bp,x,cb)
-BIO *bp;
-DSA **x;
-int (*cb)();
-       {
-       return((DSA *)PEM_ASN1_read_bio((char *(*)())d2i_DSAPrivateKey,
-               PEM_STRING_DSA,bp,(char **)x,cb));
-       }
-
-#ifndef NO_FP_API
-int PEM_write_DSAPrivateKey(fp,x,enc,kstr,klen,cb)
-FILE *fp;
-DSA *x;
-EVP_CIPHER *enc;
-unsigned char *kstr;
-int klen;
-int (*cb)();
-       {
-       return(PEM_ASN1_write((int (*)())i2d_DSAPrivateKey,PEM_STRING_DSA,fp,
-               (char *)x,enc,kstr,klen,cb));
-       }
-#endif
-
-int PEM_write_bio_DSAPrivateKey(bp,x,enc,kstr,klen,cb)
-BIO *bp;
-DSA *x;
-EVP_CIPHER *enc;
-unsigned char *kstr;
-int klen;
-int (*cb)();
-       {
-       return(PEM_ASN1_write_bio((int (*)())i2d_DSAPrivateKey,PEM_STRING_DSA,
-               bp,(char *)x,enc,kstr,klen,cb));
-       }
-#endif
-
-#ifndef NO_FP_API
-/* The PrivateKey functions */
-EVP_PKEY *PEM_read_PrivateKey(fp,x,cb)
-FILE *fp;
-EVP_PKEY **x;
-int (*cb)();
-       {
-       return((EVP_PKEY *)PEM_ASN1_read((char *(*)())d2i_PrivateKey,
-               PEM_STRING_EVP_PKEY,fp,(char **)x,cb));
-       }
-#endif
-
-EVP_PKEY *PEM_read_bio_PrivateKey(bp,x,cb)
-BIO *bp;
-EVP_PKEY **x;
-int (*cb)();
-       {
-       return((EVP_PKEY *)PEM_ASN1_read_bio((char *(*)())d2i_PrivateKey,
-               PEM_STRING_EVP_PKEY,bp,(char **)x,cb));
-       }
-
-#ifndef NO_FP_API
-int PEM_write_PrivateKey(fp,x,enc,kstr,klen,cb)
-FILE *fp;
-EVP_PKEY *x;
-EVP_CIPHER *enc;
-unsigned char *kstr;
-int klen;
-int (*cb)();
-       {
-       return(PEM_ASN1_write((int (*)())i2d_PrivateKey,
-               ((x->type == EVP_PKEY_DSA)?PEM_STRING_DSA:PEM_STRING_RSA),
-               fp,(char *)x,enc,kstr,klen,cb));
-       }
-#endif
-
-int PEM_write_bio_PrivateKey(bp,x,enc,kstr,klen,cb)
-BIO *bp;
-EVP_PKEY *x;
-EVP_CIPHER *enc;
-unsigned char *kstr;
-int klen;
-int (*cb)();
-       {
-       return(PEM_ASN1_write_bio((int (*)())i2d_PrivateKey,
-               ((x->type == EVP_PKEY_DSA)?PEM_STRING_DSA:PEM_STRING_RSA),
-               bp,(char *)x,enc,kstr,klen,cb));
-       }
-
-#ifndef NO_FP_API
-/* The PKCS7 functions */
-PKCS7 *PEM_read_PKCS7(fp,x,cb)
-FILE *fp;
-PKCS7 **x;
-int (*cb)();
-       {
-       return((PKCS7 *)PEM_ASN1_read((char *(*)())d2i_PKCS7,
-               PEM_STRING_PKCS7,fp,(char **)x,cb));
-       }
-#endif
-
-PKCS7 *PEM_read_bio_PKCS7(bp,x,cb)
-BIO *bp;
-PKCS7 **x;
-int (*cb)();
-       {
-       return((PKCS7 *)PEM_ASN1_read_bio((char *(*)())d2i_PKCS7,
-               PEM_STRING_PKCS7,bp,(char **)x,cb));
-       }
-
-#ifndef NO_FP_API
-int PEM_write_PKCS7(fp,x)
-FILE *fp;
-PKCS7 *x;
-       {
-       return(PEM_ASN1_write((int (*)())i2d_PKCS7,PEM_STRING_PKCS7,fp,
-               (char *)x, NULL,NULL,0,NULL));
-       }
-#endif
-
-int PEM_write_bio_PKCS7(bp,x)
-BIO *bp;
-PKCS7 *x;
-       {
-       return(PEM_ASN1_write_bio((int (*)())i2d_PKCS7,PEM_STRING_PKCS7,bp,
-               (char *)x, NULL,NULL,0,NULL));
-       }
-
-#ifndef NO_DH
-#ifndef NO_FP_API
-/* The DHparams functions */
-DH *PEM_read_DHparams(fp,x,cb)
-FILE *fp;
-DH **x;
-int (*cb)();
-       {
-       return((DH *)PEM_ASN1_read((char *(*)())d2i_DHparams,
-               PEM_STRING_DHPARAMS,fp,(char **)x,cb));
-       }
-#endif
-
-DH *PEM_read_bio_DHparams(bp,x,cb)
-BIO *bp;
-DH **x;
-int (*cb)();
-       {
-       return((DH *)PEM_ASN1_read_bio((char *(*)())d2i_DHparams,
-               PEM_STRING_DHPARAMS,bp,(char **)x,cb));
-       }
-
-#ifndef NO_FP_API
-int PEM_write_DHparams(fp,x)
-FILE *fp;
-DH *x;
-       {
-       return(PEM_ASN1_write((int (*)())i2d_DHparams,PEM_STRING_DHPARAMS,fp,
-               (char *)x, NULL,NULL,0,NULL));
-       }
-#endif
-
-int PEM_write_bio_DHparams(bp,x)
-BIO *bp;
-DH *x;
-       {
-       return(PEM_ASN1_write_bio((int (*)())i2d_DHparams,PEM_STRING_DHPARAMS,
-               bp,(char *)x, NULL,NULL,0,NULL));
-       }
-#endif
-
-#ifndef NO_DSA
-#ifndef NO_FP_API
-/* The DSAparams functions */
-DSA *PEM_read_DSAparams(fp,x,cb)
-FILE *fp;
-DSA **x;
-int (*cb)();
-       {
-       return((DSA *)PEM_ASN1_read((char *(*)())d2i_DSAparams,
-               PEM_STRING_DSAPARAMS,fp,(char **)x,cb));
-       }
-#endif
-
-DSA *PEM_read_bio_DSAparams(bp,x,cb)
-BIO *bp;
-DSA **x;
-int (*cb)();
-       {
-       return((DSA *)PEM_ASN1_read_bio((char *(*)())d2i_DSAparams,
-               PEM_STRING_DSAPARAMS,bp,(char **)x,cb));
-       }
-
-#ifndef NO_FP_API
-int PEM_write_DSAparams(fp,x)
-FILE *fp;
-DSA *x;
-       {
-       return(PEM_ASN1_write((int (*)())i2d_DSAparams,PEM_STRING_DSAPARAMS,fp,
-               (char *)x, NULL,NULL,0,NULL));
-       }
-#endif
-
-int PEM_write_bio_DSAparams(bp,x)
-BIO *bp;
-DSA *x;
-       {
-       return(PEM_ASN1_write_bio((int (*)())i2d_DSAparams,PEM_STRING_DSAPARAMS,
-               bp,(char *)x, NULL,NULL,0,NULL));
-       }
-#endif
+IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ)
+IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL)
+IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7)
 
+IMPLEMENT_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE,
+                 PEM_STRING_X509, NETSCAPE_CERT_SEQUENCE)
+#ifndef OPENSSL_NO_RSA
+/*
+ * We treat RSA or DSA private keys as a special case. For private keys we
+ * read in an EVP_PKEY structure with PEM_read_bio_PrivateKey() and extract
+ * the relevant private key: this means can handle "traditional" and PKCS#8
+ * formats transparently.
+ */
+static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa)
+{
+    RSA *rtmp;
+    if (!key)
+        return NULL;
+    rtmp = EVP_PKEY_get1_RSA(key);
+    EVP_PKEY_free(key);
+    if (!rtmp)
+        return NULL;
+    if (rsa) {
+        RSA_free(*rsa);
+        *rsa = rtmp;
+    }
+    return rtmp;
+}
+
+RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb,
+                                void *u)
+{
+    EVP_PKEY *pktmp;
+    pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
+    return pkey_get_rsa(pktmp, rsa);
+}
+
+# ifndef OPENSSL_NO_STDIO
+
+RSA *PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb, void *u)
+{
+    EVP_PKEY *pktmp;
+    pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
+    return pkey_get_rsa(pktmp, rsa);
+}
+
+# endif
+
+IMPLEMENT_PEM_write_cb_const(RSAPrivateKey, RSA, PEM_STRING_RSA,
+                             RSAPrivateKey)
+
+
+IMPLEMENT_PEM_rw_const(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC,
+                       RSAPublicKey) IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA,
+                                                      PEM_STRING_PUBLIC,
+                                                      RSA_PUBKEY)
+#endif
+#ifndef OPENSSL_NO_DSA
+static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa)
+{
+    DSA *dtmp;
+    if (!key)
+        return NULL;
+    dtmp = EVP_PKEY_get1_DSA(key);
+    EVP_PKEY_free(key);
+    if (!dtmp)
+        return NULL;
+    if (dsa) {
+        DSA_free(*dsa);
+        *dsa = dtmp;
+    }
+    return dtmp;
+}
+
+DSA *PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb,
+                                void *u)
+{
+    EVP_PKEY *pktmp;
+    pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
+    return pkey_get_dsa(pktmp, dsa); /* will free pktmp */
+}
+
+IMPLEMENT_PEM_write_cb_const(DSAPrivateKey, DSA, PEM_STRING_DSA,
+                             DSAPrivateKey)
+    IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY)
+# ifndef OPENSSL_NO_STDIO
+DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb, void *u)
+{
+    EVP_PKEY *pktmp;
+    pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
+    return pkey_get_dsa(pktmp, dsa); /* will free pktmp */
+}
+
+# endif
+
+IMPLEMENT_PEM_rw_const(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams)
+#endif
+#ifndef OPENSSL_NO_EC
+static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey)
+{
+    EC_KEY *dtmp;
+    if (!key)
+        return NULL;
+    dtmp = EVP_PKEY_get1_EC_KEY(key);
+    EVP_PKEY_free(key);
+    if (!dtmp)
+        return NULL;
+    if (eckey) {
+        EC_KEY_free(*eckey);
+        *eckey = dtmp;
+    }
+    return dtmp;
+}
+
+EC_KEY *PEM_read_bio_ECPrivateKey(BIO *bp, EC_KEY **key, pem_password_cb *cb,
+                                  void *u)
+{
+    EVP_PKEY *pktmp;
+    pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
+    return pkey_get_eckey(pktmp, key); /* will free pktmp */
+}
+
+IMPLEMENT_PEM_rw_const(ECPKParameters, EC_GROUP, PEM_STRING_ECPARAMETERS,
+                       ECPKParameters)
+
+
+IMPLEMENT_PEM_write_cb(ECPrivateKey, EC_KEY, PEM_STRING_ECPRIVATEKEY,
+                       ECPrivateKey)
+IMPLEMENT_PEM_rw(EC_PUBKEY, EC_KEY, PEM_STRING_PUBLIC, EC_PUBKEY)
+# ifndef OPENSSL_NO_STDIO
+EC_KEY *PEM_read_ECPrivateKey(FILE *fp, EC_KEY **eckey, pem_password_cb *cb,
+                              void *u)
+{
+    EVP_PKEY *pktmp;
+    pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
+    return pkey_get_eckey(pktmp, eckey); /* will free pktmp */
+}
+
+# endif
+
+#endif
+
+#ifndef OPENSSL_NO_DH
+
+IMPLEMENT_PEM_write_const(DHparams, DH, PEM_STRING_DHPARAMS, DHparams)
+    IMPLEMENT_PEM_write_const(DHxparams, DH, PEM_STRING_DHXPARAMS, DHxparams)
+#endif
+IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY)