Coverage Report

Created: 2024-11-21 07:03

/src/openssl/crypto/pem/pem_all.c
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Source (jump to first uncovered line)
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/*
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 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
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 *
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 * Licensed under the Apache License 2.0 (the "License").  You may not use
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 * this file except in compliance with the License.  You can obtain a copy
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 * in the file LICENSE in the source distribution or at
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 * https://www.openssl.org/source/license.html
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 */
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/*
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 * DSA low level APIs are deprecated for public use, but still ok for
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 * internal use.
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 */
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#include "internal/deprecated.h"
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#include <stdio.h>
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#include "internal/cryptlib.h"
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#include <openssl/bio.h>
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#include <openssl/evp.h>
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#include <openssl/x509.h>
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#include <openssl/pkcs7.h>
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#include <openssl/pem.h>
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#include <openssl/rsa.h>
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#include <openssl/dsa.h>
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#include <openssl/dh.h>
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#include "pem_local.h"
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static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa);
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#ifndef OPENSSL_NO_DSA
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static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa);
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#endif
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#ifndef OPENSSL_NO_EC
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static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey);
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#endif
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IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ)
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IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ)
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IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL)
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IMPLEMENT_PEM_rw(X509_PUBKEY, X509_PUBKEY, PEM_STRING_PUBLIC, X509_PUBKEY)
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IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7)
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IMPLEMENT_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE,
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                 PEM_STRING_X509, NETSCAPE_CERT_SEQUENCE)
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#ifndef OPENSSL_NO_DEPRECATED_3_0
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/*
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 * We treat RSA or DSA private keys as a special case. For private keys we
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 * read in an EVP_PKEY structure with PEM_read_bio_PrivateKey() and extract
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 * the relevant private key: this means can handle "traditional" and PKCS#8
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 * formats transparently.
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 */
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static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa)
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0
{
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0
    RSA *rtmp;
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0
    if (!key)
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0
        return NULL;
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0
    rtmp = EVP_PKEY_get1_RSA(key);
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0
    EVP_PKEY_free(key);
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0
    if (!rtmp)
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0
        return NULL;
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0
    if (rsa) {
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0
        RSA_free(*rsa);
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0
        *rsa = rtmp;
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0
    }
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0
    return rtmp;
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0
}
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RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb,
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                                void *u)
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0
{
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0
    EVP_PKEY *pktmp;
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0
    pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
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0
    return pkey_get_rsa(pktmp, rsa);
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0
}
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# ifndef OPENSSL_NO_STDIO
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RSA *PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb, void *u)
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0
{
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0
    EVP_PKEY *pktmp;
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0
    pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
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0
    return pkey_get_rsa(pktmp, rsa);
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0
}
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# endif
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IMPLEMENT_PEM_write_cb(RSAPrivateKey, RSA, PEM_STRING_RSA, RSAPrivateKey)
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IMPLEMENT_PEM_rw(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC, RSAPublicKey)
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IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA, PEM_STRING_PUBLIC, RSA_PUBKEY)
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#endif
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#ifndef OPENSSL_NO_DSA
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static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa)
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0
{
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0
    DSA *dtmp;
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0
    if (!key)
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0
        return NULL;
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0
    dtmp = EVP_PKEY_get1_DSA(key);
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0
    EVP_PKEY_free(key);
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0
    if (!dtmp)
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0
        return NULL;
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0
    if (dsa) {
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0
        DSA_free(*dsa);
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0
        *dsa = dtmp;
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0
    }
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0
    return dtmp;
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0
}
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DSA *PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb,
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                                void *u)
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0
{
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0
    EVP_PKEY *pktmp;
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0
    pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
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0
    return pkey_get_dsa(pktmp, dsa); /* will free pktmp */
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0
}
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IMPLEMENT_PEM_write_cb(DSAPrivateKey, DSA, PEM_STRING_DSA, DSAPrivateKey)
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IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY)
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# ifndef OPENSSL_NO_STDIO
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DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb, void *u)
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0
{
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0
    EVP_PKEY *pktmp;
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0
    pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
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0
    return pkey_get_dsa(pktmp, dsa); /* will free pktmp */
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0
}
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# endif
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IMPLEMENT_PEM_rw(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams)
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#endif
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#ifndef OPENSSL_NO_DEPRECATED_3_0
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# ifndef OPENSSL_NO_EC
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static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey)
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0
{
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0
    EC_KEY *dtmp;
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0
    if (!key)
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0
        return NULL;
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0
    dtmp = EVP_PKEY_get1_EC_KEY(key);
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0
    EVP_PKEY_free(key);
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0
    if (!dtmp)
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0
        return NULL;
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0
    if (eckey) {
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0
        EC_KEY_free(*eckey);
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0
        *eckey = dtmp;
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0
    }
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    return dtmp;
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0
}
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EC_KEY *PEM_read_bio_ECPrivateKey(BIO *bp, EC_KEY **key, pem_password_cb *cb,
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                                  void *u)
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0
{
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0
    EVP_PKEY *pktmp;
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0
    pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
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0
    return pkey_get_eckey(pktmp, key); /* will free pktmp */
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0
}
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IMPLEMENT_PEM_rw(ECPKParameters, EC_GROUP, PEM_STRING_ECPARAMETERS,
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                 ECPKParameters)
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IMPLEMENT_PEM_write_cb(ECPrivateKey, EC_KEY, PEM_STRING_ECPRIVATEKEY,
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                       ECPrivateKey)
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IMPLEMENT_PEM_rw(EC_PUBKEY, EC_KEY, PEM_STRING_PUBLIC, EC_PUBKEY)
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#  ifndef OPENSSL_NO_STDIO
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EC_KEY *PEM_read_ECPrivateKey(FILE *fp, EC_KEY **eckey, pem_password_cb *cb,
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                              void *u)
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0
{
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0
    EVP_PKEY *pktmp;
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0
    pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
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0
    return pkey_get_eckey(pktmp, eckey); /* will free pktmp */
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0
}
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#  endif
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# endif /* !OPENSSL_NO_EC */
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#endif /* !OPENSSL_NO_DEPRECATED_3_0 */
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#ifndef OPENSSL_NO_DH
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IMPLEMENT_PEM_write(DHparams, DH, PEM_STRING_DHPARAMS, DHparams)
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IMPLEMENT_PEM_write(DHxparams, DH, PEM_STRING_DHXPARAMS, DHxparams)
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/* Transparently read in PKCS#3 or X9.42 DH parameters */
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DH *PEM_read_bio_DHparams(BIO *bp, DH **x, pem_password_cb *cb, void *u)
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0
{
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0
    char *nm = NULL;
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0
    const unsigned char *p = NULL;
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0
    unsigned char *data = NULL;
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0
    long len;
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0
    DH *ret = NULL;
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    if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_DHPARAMS, bp, cb, u))
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        return NULL;
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    p = data;
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    if (strcmp(nm, PEM_STRING_DHXPARAMS) == 0)
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        ret = d2i_DHxparams(x, &p, len);
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0
    else
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0
        ret = d2i_DHparams(x, &p, len);
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    if (ret == NULL)
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0
        ERR_raise(ERR_LIB_PEM, ERR_R_ASN1_LIB);
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0
    OPENSSL_free(nm);
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0
    OPENSSL_free(data);
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0
    return ret;
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0
}
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# ifndef OPENSSL_NO_STDIO
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DH *PEM_read_DHparams(FILE *fp, DH **x, pem_password_cb *cb, void *u)
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0
{
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0
    BIO *b;
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0
    DH *ret;
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0
    if ((b = BIO_new(BIO_s_file())) == NULL) {
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0
        ERR_raise(ERR_LIB_PEM, ERR_R_BUF_LIB);
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0
        return 0;
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0
    }
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    BIO_set_fp(b, fp, BIO_NOCLOSE);
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    ret = PEM_read_bio_DHparams(b, x, cb, u);
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    BIO_free(b);
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    return ret;
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0
}
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# endif
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#endif
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IMPLEMENT_PEM_provided_write(PUBKEY, EVP_PKEY, pkey, PEM_STRING_PUBLIC, PUBKEY)