[331] | 1 | /*
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| 2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #include <stdio.h>
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| 11 | #include "internal/cryptlib.h"
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| 12 | #include <openssl/bio.h>
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| 13 | #include <openssl/evp.h>
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| 14 | #include <openssl/x509.h>
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| 15 | #include <openssl/pkcs7.h>
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| 16 | #include <openssl/pem.h>
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| 17 | #include <openssl/rsa.h>
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| 18 | #include <openssl/dsa.h>
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| 19 | #include <openssl/dh.h>
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| 20 |
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| 21 | #ifndef OPENSSL_NO_RSA
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| 22 | static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa);
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| 23 | #endif
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| 24 | #ifndef OPENSSL_NO_DSA
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| 25 | static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa);
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| 26 | #endif
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| 27 |
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| 28 | #ifndef OPENSSL_NO_EC
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| 29 | static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey);
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| 30 | #endif
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| 31 |
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| 32 | IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ)
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| 33 |
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| 34 | IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ)
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| 35 | IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL)
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| 36 | IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7)
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| 37 |
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| 38 | IMPLEMENT_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE,
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| 39 | PEM_STRING_X509, NETSCAPE_CERT_SEQUENCE)
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| 40 | #ifndef OPENSSL_NO_RSA
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| 41 | /*
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| 42 | * We treat RSA or DSA private keys as a special case. For private keys we
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| 43 | * read in an EVP_PKEY structure with PEM_read_bio_PrivateKey() and extract
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| 44 | * the relevant private key: this means can handle "traditional" and PKCS#8
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| 45 | * formats transparently.
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| 46 | */
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| 47 | static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa)
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| 48 | {
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| 49 | RSA *rtmp;
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| 50 | if (!key)
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| 51 | return NULL;
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| 52 | rtmp = EVP_PKEY_get1_RSA(key);
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| 53 | EVP_PKEY_free(key);
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| 54 | if (!rtmp)
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| 55 | return NULL;
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| 56 | if (rsa) {
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| 57 | RSA_free(*rsa);
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| 58 | *rsa = rtmp;
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| 59 | }
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| 60 | return rtmp;
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| 61 | }
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| 62 |
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| 63 | RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb,
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| 64 | void *u)
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| 65 | {
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| 66 | EVP_PKEY *pktmp;
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| 67 | pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
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| 68 | return pkey_get_rsa(pktmp, rsa);
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| 69 | }
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| 70 |
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| 71 | # ifndef OPENSSL_NO_STDIO
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| 72 |
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| 73 | RSA *PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb, void *u)
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| 74 | {
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| 75 | EVP_PKEY *pktmp;
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| 76 | pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
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| 77 | return pkey_get_rsa(pktmp, rsa);
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| 78 | }
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| 79 |
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| 80 | # endif
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| 81 |
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| 82 | IMPLEMENT_PEM_write_cb_const(RSAPrivateKey, RSA, PEM_STRING_RSA,
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| 83 | RSAPrivateKey)
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| 84 |
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| 85 |
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| 86 | IMPLEMENT_PEM_rw_const(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC,
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| 87 | RSAPublicKey) IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA,
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| 88 | PEM_STRING_PUBLIC,
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| 89 | RSA_PUBKEY)
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| 90 | #endif
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| 91 | #ifndef OPENSSL_NO_DSA
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| 92 | static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa)
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| 93 | {
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| 94 | DSA *dtmp;
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| 95 | if (!key)
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| 96 | return NULL;
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| 97 | dtmp = EVP_PKEY_get1_DSA(key);
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| 98 | EVP_PKEY_free(key);
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| 99 | if (!dtmp)
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| 100 | return NULL;
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| 101 | if (dsa) {
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| 102 | DSA_free(*dsa);
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| 103 | *dsa = dtmp;
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| 104 | }
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| 105 | return dtmp;
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| 106 | }
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| 107 |
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| 108 | DSA *PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb,
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| 109 | void *u)
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| 110 | {
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| 111 | EVP_PKEY *pktmp;
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| 112 | pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
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| 113 | return pkey_get_dsa(pktmp, dsa); /* will free pktmp */
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| 114 | }
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| 115 |
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| 116 | IMPLEMENT_PEM_write_cb_const(DSAPrivateKey, DSA, PEM_STRING_DSA,
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| 117 | DSAPrivateKey)
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| 118 | IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY)
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| 119 | # ifndef OPENSSL_NO_STDIO
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| 120 | DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb, void *u)
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| 121 | {
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| 122 | EVP_PKEY *pktmp;
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| 123 | pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
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| 124 | return pkey_get_dsa(pktmp, dsa); /* will free pktmp */
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| 125 | }
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| 126 |
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| 127 | # endif
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| 128 |
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| 129 | IMPLEMENT_PEM_rw_const(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams)
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| 130 | #endif
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| 131 | #ifndef OPENSSL_NO_EC
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| 132 | static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey)
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| 133 | {
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| 134 | EC_KEY *dtmp;
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| 135 | if (!key)
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| 136 | return NULL;
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| 137 | dtmp = EVP_PKEY_get1_EC_KEY(key);
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| 138 | EVP_PKEY_free(key);
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| 139 | if (!dtmp)
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| 140 | return NULL;
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| 141 | if (eckey) {
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| 142 | EC_KEY_free(*eckey);
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| 143 | *eckey = dtmp;
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| 144 | }
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| 145 | return dtmp;
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| 146 | }
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| 147 |
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| 148 | EC_KEY *PEM_read_bio_ECPrivateKey(BIO *bp, EC_KEY **key, pem_password_cb *cb,
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| 149 | void *u)
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| 150 | {
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| 151 | EVP_PKEY *pktmp;
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| 152 | pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
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| 153 | return pkey_get_eckey(pktmp, key); /* will free pktmp */
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| 154 | }
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| 155 |
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| 156 | IMPLEMENT_PEM_rw_const(ECPKParameters, EC_GROUP, PEM_STRING_ECPARAMETERS,
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| 157 | ECPKParameters)
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| 158 |
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| 159 |
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| 160 | IMPLEMENT_PEM_write_cb(ECPrivateKey, EC_KEY, PEM_STRING_ECPRIVATEKEY,
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| 161 | ECPrivateKey)
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| 162 | IMPLEMENT_PEM_rw(EC_PUBKEY, EC_KEY, PEM_STRING_PUBLIC, EC_PUBKEY)
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| 163 | # ifndef OPENSSL_NO_STDIO
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| 164 | EC_KEY *PEM_read_ECPrivateKey(FILE *fp, EC_KEY **eckey, pem_password_cb *cb,
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| 165 | void *u)
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| 166 | {
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| 167 | EVP_PKEY *pktmp;
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| 168 | pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
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| 169 | return pkey_get_eckey(pktmp, eckey); /* will free pktmp */
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| 170 | }
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| 171 |
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| 172 | # endif
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| 173 |
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| 174 | #endif
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| 175 |
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| 176 | #ifndef OPENSSL_NO_DH
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| 177 |
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| 178 | IMPLEMENT_PEM_write_const(DHparams, DH, PEM_STRING_DHPARAMS, DHparams)
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| 179 | IMPLEMENT_PEM_write_const(DHxparams, DH, PEM_STRING_DHXPARAMS, DHxparams)
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| 180 | #endif
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| 181 | IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY)
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