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42c5ec4b97
Don't call OpenSSL_add_all_algorithms() unless OpenSSL actually supports it. Move all libcrypto initialisation to a single function, and call that from seed_rng() that is called early in each tool's main(). Prompted by patch from Rosen Penev
234 lines
7.0 KiB
C
234 lines
7.0 KiB
C
/*
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* Copyright (c) 2005 Darren Tucker <dtucker@zip.com.au>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _OPENSSL_COMPAT_H
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#define _OPENSSL_COMPAT_H
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#include "includes.h"
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#ifdef WITH_OPENSSL
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#include <openssl/opensslv.h>
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#include <openssl/crypto.h>
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#include <openssl/evp.h>
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#include <openssl/rsa.h>
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#include <openssl/dsa.h>
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#ifdef OPENSSL_HAS_ECC
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#include <openssl/ecdsa.h>
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#endif
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#include <openssl/dh.h>
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int ssh_compatible_openssl(long, long);
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void ssh_libcrypto_init(void);
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#if (OPENSSL_VERSION_NUMBER < 0x1000100fL)
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# error OpenSSL 1.0.1 or greater is required
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#endif
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#ifndef OPENSSL_VERSION
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# define OPENSSL_VERSION SSLEAY_VERSION
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#endif
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#ifndef HAVE_OPENSSL_VERSION
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# define OpenSSL_version(x) SSLeay_version(x)
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#endif
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#ifndef HAVE_OPENSSL_VERSION_NUM
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# define OpenSSL_version_num SSLeay
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#endif
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#if OPENSSL_VERSION_NUMBER < 0x10000001L
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# define LIBCRYPTO_EVP_INL_TYPE unsigned int
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#else
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# define LIBCRYPTO_EVP_INL_TYPE size_t
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#endif
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#ifndef OPENSSL_RSA_MAX_MODULUS_BITS
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# define OPENSSL_RSA_MAX_MODULUS_BITS 16384
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#endif
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#ifndef OPENSSL_DSA_MAX_MODULUS_BITS
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# define OPENSSL_DSA_MAX_MODULUS_BITS 10000
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#endif
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#ifndef OPENSSL_HAVE_EVPCTR
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# define EVP_aes_128_ctr evp_aes_128_ctr
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# define EVP_aes_192_ctr evp_aes_128_ctr
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# define EVP_aes_256_ctr evp_aes_128_ctr
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const EVP_CIPHER *evp_aes_128_ctr(void);
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void ssh_aes_ctr_iv(EVP_CIPHER_CTX *, int, u_char *, size_t);
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#endif
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/* Avoid some #ifdef. Code that uses these is unreachable without GCM */
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#if !defined(OPENSSL_HAVE_EVPGCM) && !defined(EVP_CTRL_GCM_SET_IV_FIXED)
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# define EVP_CTRL_GCM_SET_IV_FIXED -1
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# define EVP_CTRL_GCM_IV_GEN -1
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# define EVP_CTRL_GCM_SET_TAG -1
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# define EVP_CTRL_GCM_GET_TAG -1
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#endif
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/* Replace missing EVP_CIPHER_CTX_ctrl() with something that returns failure */
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#ifndef HAVE_EVP_CIPHER_CTX_CTRL
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# ifdef OPENSSL_HAVE_EVPGCM
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# error AES-GCM enabled without EVP_CIPHER_CTX_ctrl /* shouldn't happen */
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# else
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# define EVP_CIPHER_CTX_ctrl(a,b,c,d) (0)
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# endif
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#endif
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#if defined(HAVE_EVP_RIPEMD160)
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# if defined(OPENSSL_NO_RIPEMD) || defined(OPENSSL_NO_RMD160)
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# undef HAVE_EVP_RIPEMD160
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# endif
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#endif
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/* LibreSSL/OpenSSL 1.1x API compat */
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#ifndef HAVE_DSA_GET0_PQG
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void DSA_get0_pqg(const DSA *d, const BIGNUM **p, const BIGNUM **q,
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const BIGNUM **g);
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#endif /* HAVE_DSA_GET0_PQG */
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#ifndef HAVE_DSA_SET0_PQG
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int DSA_set0_pqg(DSA *d, BIGNUM *p, BIGNUM *q, BIGNUM *g);
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#endif /* HAVE_DSA_SET0_PQG */
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#ifndef HAVE_DSA_GET0_KEY
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void DSA_get0_key(const DSA *d, const BIGNUM **pub_key,
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const BIGNUM **priv_key);
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#endif /* HAVE_DSA_GET0_KEY */
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#ifndef HAVE_DSA_SET0_KEY
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int DSA_set0_key(DSA *d, BIGNUM *pub_key, BIGNUM *priv_key);
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#endif /* HAVE_DSA_SET0_KEY */
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#ifndef HAVE_EVP_CIPHER_CTX_GET_IV
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int EVP_CIPHER_CTX_get_iv(const EVP_CIPHER_CTX *ctx,
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unsigned char *iv, size_t len);
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#endif /* HAVE_EVP_CIPHER_CTX_GET_IV */
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#ifndef HAVE_EVP_CIPHER_CTX_SET_IV
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int EVP_CIPHER_CTX_set_iv(EVP_CIPHER_CTX *ctx,
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const unsigned char *iv, size_t len);
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#endif /* HAVE_EVP_CIPHER_CTX_SET_IV */
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#ifndef HAVE_RSA_GET0_KEY
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void RSA_get0_key(const RSA *r, const BIGNUM **n, const BIGNUM **e,
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const BIGNUM **d);
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#endif /* HAVE_RSA_GET0_KEY */
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#ifndef HAVE_RSA_SET0_KEY
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int RSA_set0_key(RSA *r, BIGNUM *n, BIGNUM *e, BIGNUM *d);
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#endif /* HAVE_RSA_SET0_KEY */
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#ifndef HAVE_RSA_GET0_CRT_PARAMS
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void RSA_get0_crt_params(const RSA *r, const BIGNUM **dmp1, const BIGNUM **dmq1,
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const BIGNUM **iqmp);
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#endif /* HAVE_RSA_GET0_CRT_PARAMS */
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#ifndef HAVE_RSA_SET0_CRT_PARAMS
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int RSA_set0_crt_params(RSA *r, BIGNUM *dmp1, BIGNUM *dmq1, BIGNUM *iqmp);
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#endif /* HAVE_RSA_SET0_CRT_PARAMS */
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#ifndef HAVE_RSA_GET0_FACTORS
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void RSA_get0_factors(const RSA *r, const BIGNUM **p, const BIGNUM **q);
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#endif /* HAVE_RSA_GET0_FACTORS */
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#ifndef HAVE_RSA_SET0_FACTORS
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int RSA_set0_factors(RSA *r, BIGNUM *p, BIGNUM *q);
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#endif /* HAVE_RSA_SET0_FACTORS */
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#ifndef DSA_SIG_GET0
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void DSA_SIG_get0(const DSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps);
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#endif /* DSA_SIG_GET0 */
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#ifndef DSA_SIG_SET0
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int DSA_SIG_set0(DSA_SIG *sig, BIGNUM *r, BIGNUM *s);
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#endif /* DSA_SIG_SET0 */
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#ifdef OPENSSL_HAS_ECC
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#ifndef HAVE_ECDSA_SIG_GET0
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void ECDSA_SIG_get0(const ECDSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps);
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#endif /* HAVE_ECDSA_SIG_GET0 */
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#ifndef HAVE_ECDSA_SIG_SET0
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int ECDSA_SIG_set0(ECDSA_SIG *sig, BIGNUM *r, BIGNUM *s);
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#endif /* HAVE_ECDSA_SIG_SET0 */
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#endif /* OPENSSL_HAS_ECC */
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#ifndef HAVE_DH_GET0_PQG
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void DH_get0_pqg(const DH *dh, const BIGNUM **p, const BIGNUM **q,
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const BIGNUM **g);
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#endif /* HAVE_DH_GET0_PQG */
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#ifndef HAVE_DH_SET0_PQG
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int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g);
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#endif /* HAVE_DH_SET0_PQG */
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#ifndef HAVE_DH_GET0_KEY
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void DH_get0_key(const DH *dh, const BIGNUM **pub_key, const BIGNUM **priv_key);
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#endif /* HAVE_DH_GET0_KEY */
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#ifndef HAVE_DH_SET0_KEY
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int DH_set0_key(DH *dh, BIGNUM *pub_key, BIGNUM *priv_key);
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#endif /* HAVE_DH_SET0_KEY */
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#ifndef HAVE_DH_SET_LENGTH
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int DH_set_length(DH *dh, long length);
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#endif /* HAVE_DH_SET_LENGTH */
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#ifndef HAVE_RSA_METH_FREE
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void RSA_meth_free(RSA_METHOD *meth);
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#endif /* HAVE_RSA_METH_FREE */
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#ifndef HAVE_RSA_METH_DUP
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RSA_METHOD *RSA_meth_dup(const RSA_METHOD *meth);
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#endif /* HAVE_RSA_METH_DUP */
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#ifndef HAVE_RSA_METH_SET1_NAME
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int RSA_meth_set1_name(RSA_METHOD *meth, const char *name);
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#endif /* HAVE_RSA_METH_SET1_NAME */
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#ifndef HAVE_RSA_METH_GET_FINISH
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int (*RSA_meth_get_finish(const RSA_METHOD *meth))(RSA *rsa);
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#endif /* HAVE_RSA_METH_GET_FINISH */
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#ifndef HAVE_RSA_METH_SET_PRIV_ENC
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int RSA_meth_set_priv_enc(RSA_METHOD *meth, int (*priv_enc)(int flen,
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const unsigned char *from, unsigned char *to, RSA *rsa, int padding));
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#endif /* HAVE_RSA_METH_SET_PRIV_ENC */
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#ifndef HAVE_RSA_METH_SET_PRIV_DEC
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int RSA_meth_set_priv_dec(RSA_METHOD *meth, int (*priv_dec)(int flen,
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const unsigned char *from, unsigned char *to, RSA *rsa, int padding));
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#endif /* HAVE_RSA_METH_SET_PRIV_DEC */
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#ifndef HAVE_RSA_METH_SET_FINISH
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int RSA_meth_set_finish(RSA_METHOD *meth, int (*finish)(RSA *rsa));
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#endif /* HAVE_RSA_METH_SET_FINISH */
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#ifndef HAVE_EVP_PKEY_GET0_RSA
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RSA *EVP_PKEY_get0_RSA(EVP_PKEY *pkey);
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#endif /* HAVE_EVP_PKEY_GET0_RSA */
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#ifndef HAVE_EVP_MD_CTX_new
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EVP_MD_CTX *EVP_MD_CTX_new(void);
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#endif /* HAVE_EVP_MD_CTX_new */
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#ifndef HAVE_EVP_MD_CTX_free
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void EVP_MD_CTX_free(EVP_MD_CTX *ctx);
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#endif /* HAVE_EVP_MD_CTX_free */
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#endif /* WITH_OPENSSL */
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#endif /* _OPENSSL_COMPAT_H */
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