1e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu/* crypto/evp/enc_min.c */ 2e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * All rights reserved. 4e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * 5e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * This package is an SSL implementation written 6e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * by Eric Young (eay@cryptsoft.com). 7e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * The implementation was written so as to conform with Netscapes SSL. 8e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * 9e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * This library is free for commercial and non-commercial use as long as 10e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * the following conditions are aheared to. The following conditions 11e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * apply to all code found in this distribution, be it the RC4, RSA, 12e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * included with this distribution is covered by the same copyright terms 14e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * 16e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * Copyright remains Eric Young's, and as such any Copyright notices in 17e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * the code are not to be removed. 18e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * If this package is used in a product, Eric Young should be given attribution 19e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * as the author of the parts of the library used. 20e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * This can be in the form of a textual message at program startup or 21e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * in documentation (online or textual) provided with the package. 22e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * 23e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * Redistribution and use in source and binary forms, with or without 24e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * modification, are permitted provided that the following conditions 25e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * are met: 26e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * 1. Redistributions of source code must retain the copyright 27e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * notice, this list of conditions and the following disclaimer. 28e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * 2. Redistributions in binary form must reproduce the above copyright 29e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * notice, this list of conditions and the following disclaimer in the 30e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * documentation and/or other materials provided with the distribution. 31e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * 3. All advertising materials mentioning features or use of this software 32e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * must display the following acknowledgement: 33e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * "This product includes cryptographic software written by 34e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * Eric Young (eay@cryptsoft.com)" 35e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * The word 'cryptographic' can be left out if the rouines from the library 36e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * being used are not cryptographic related :-). 37e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * 4. If you include any Windows specific code (or a derivative thereof) from 38e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * the apps directory (application code) you must include an acknowledgement: 39e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * 41e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * SUCH DAMAGE. 52e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * 53e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * The licence and distribution terms for any publically available version or 54e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * derivative of this code cannot be changed. i.e. this code cannot simply be 55e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * copied and put under another distribution licence 56e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * [including the GNU Public Licence.] 57e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu */ 58e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 59e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#include <stdio.h> 60e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#include "cryptlib.h" 61e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#include <openssl/evp.h> 62e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#include <openssl/err.h> 63e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#include <openssl/rand.h> 64e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#ifndef OPENSSL_NO_ENGINE 65e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#include <openssl/engine.h> 66e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#endif 67e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#include "evp_locl.h" 68e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 69e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modaduguvoid EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *ctx) 70e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 71e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#ifdef OPENSSL_FIPS 72e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu FIPS_selftest_check(); 73e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#endif 74e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu memset(ctx,0,sizeof(EVP_CIPHER_CTX)); 75e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu /* ctx->cipher=NULL; */ 76e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 77e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 78e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#ifdef OPENSSL_FIPS 79e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 80e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu/* The purpose of these is to trap programs that attempt to use non FIPS 81e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * algorithms in FIPS mode and ignore the errors. 82e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu */ 83e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 84e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic int bad_init(EVP_CIPHER_CTX *ctx, const unsigned char *key, 85e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu const unsigned char *iv, int enc) 86e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { FIPS_ERROR_IGNORED("Cipher init"); return 0;} 87e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 88e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic int bad_do_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, 89e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu const unsigned char *in, unsigned int inl) 90e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { FIPS_ERROR_IGNORED("Cipher update"); return 0;} 91e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 92e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu/* NB: no cleanup because it is allowed after failed init */ 93e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 94e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic int bad_set_asn1(EVP_CIPHER_CTX *ctx, ASN1_TYPE *typ) 95e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { FIPS_ERROR_IGNORED("Cipher set_asn1"); return 0;} 96e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic int bad_get_asn1(EVP_CIPHER_CTX *ctx, ASN1_TYPE *typ) 97e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { FIPS_ERROR_IGNORED("Cipher get_asn1"); return 0;} 98e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic int bad_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr) 99e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { FIPS_ERROR_IGNORED("Cipher ctrl"); return 0;} 100e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 101e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic const EVP_CIPHER bad_cipher = 102e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 103e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 0, 104e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 0, 105e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 0, 106e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 0, 107e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 0, 108e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu bad_init, 109e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu bad_do_cipher, 110e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu NULL, 111e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 0, 112e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu bad_set_asn1, 113e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu bad_get_asn1, 114e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu bad_ctrl, 115e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu NULL 116e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu }; 117e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 118e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#endif 119e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 120e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#ifndef OPENSSL_NO_ENGINE 121e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 122e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#ifdef OPENSSL_FIPS 123e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 124e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic int do_engine_null(ENGINE *impl) { return 0;} 125e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic int do_evp_enc_engine_null(EVP_CIPHER_CTX *ctx, 126e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu const EVP_CIPHER **pciph, ENGINE *impl) 127e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { return 1; } 128e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 129e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic int (*do_engine_finish)(ENGINE *impl) 130e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu = do_engine_null; 131e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 132e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic int (*do_evp_enc_engine) 133e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu (EVP_CIPHER_CTX *ctx, const EVP_CIPHER **pciph, ENGINE *impl) 134e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu = do_evp_enc_engine_null; 135e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 136e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modaduguvoid int_EVP_CIPHER_set_engine_callbacks( 137e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu int (*eng_ciph_fin)(ENGINE *impl), 138e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu int (*eng_ciph_evp) 139e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu (EVP_CIPHER_CTX *ctx, const EVP_CIPHER **pciph, ENGINE *impl)) 140e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 141e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu do_engine_finish = eng_ciph_fin; 142e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu do_evp_enc_engine = eng_ciph_evp; 143e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 144e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 145e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#else 146e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 147e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#define do_engine_finish ENGINE_finish 148e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 149e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugustatic int do_evp_enc_engine(EVP_CIPHER_CTX *ctx, const EVP_CIPHER **pcipher, ENGINE *impl) 150e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 151e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if(impl) 152e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 153e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if (!ENGINE_init(impl)) 154e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 155e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu EVPerr(EVP_F_DO_EVP_ENC_ENGINE, EVP_R_INITIALIZATION_ERROR); 156e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return 0; 157e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 158e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 159e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu else 160e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu /* Ask if an ENGINE is reserved for this job */ 161e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu impl = ENGINE_get_cipher_engine((*pcipher)->nid); 162e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if(impl) 163e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 164e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu /* There's an ENGINE for this job ... (apparently) */ 165e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu const EVP_CIPHER *c = ENGINE_get_cipher(impl, (*pcipher)->nid); 166e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if(!c) 167e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 168e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu /* One positive side-effect of US's export 169e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * control history, is that we should at least 170e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * be able to avoid using US mispellings of 171e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * "initialisation"? */ 172e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu EVPerr(EVP_F_DO_EVP_ENC_ENGINE, EVP_R_INITIALIZATION_ERROR); 173e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return 0; 174e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 175e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu /* We'll use the ENGINE's private cipher definition */ 176e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu *pcipher = c; 177e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu /* Store the ENGINE functional reference so we know 178e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * 'cipher' came from an ENGINE and we need to release 179e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * it when done. */ 180e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu ctx->engine = impl; 181e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 182e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu else 183e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu ctx->engine = NULL; 184e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return 1; 185e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 186e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 187e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#endif 188e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 189e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#endif 190e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 191e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modaduguint EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, ENGINE *impl, 192e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu const unsigned char *key, const unsigned char *iv, int enc) 193e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 194e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if (enc == -1) 195e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu enc = ctx->encrypt; 196e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu else 197e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 198e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if (enc) 199e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu enc = 1; 200e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu ctx->encrypt = enc; 201e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 202e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#ifdef OPENSSL_FIPS 203e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if(FIPS_selftest_failed()) 204e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 205e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu FIPSerr(FIPS_F_EVP_CIPHERINIT_EX,FIPS_R_FIPS_SELFTEST_FAILED); 206e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu ctx->cipher = &bad_cipher; 207e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return 0; 208e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 209e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#endif 210e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#ifndef OPENSSL_NO_ENGINE 211e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu /* Whether it's nice or not, "Inits" can be used on "Final"'d contexts 212e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * so this context may already have an ENGINE! Try to avoid releasing 213e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * the previous handle, re-querying for an ENGINE, and having a 214e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * reinitialisation, when it may all be unecessary. */ 215e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if (ctx->engine && ctx->cipher && (!cipher || 216e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu (cipher && (cipher->nid == ctx->cipher->nid)))) 217e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu goto skip_to_init; 218e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#endif 219e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if (cipher) 220e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 221e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu /* Ensure a context left lying around from last time is cleared 222e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * (the previous check attempted to avoid this if the same 223e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * ENGINE and EVP_CIPHER could be used). */ 224e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu EVP_CIPHER_CTX_cleanup(ctx); 225e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 226e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu /* Restore encrypt field: it is zeroed by cleanup */ 227e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu ctx->encrypt = enc; 228e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#ifndef OPENSSL_NO_ENGINE 229e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if (!do_evp_enc_engine(ctx, &cipher, impl)) 230e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return 0; 231e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#endif 232e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 233e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu ctx->cipher=cipher; 234e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if (ctx->cipher->ctx_size) 235e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 236e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu ctx->cipher_data=OPENSSL_malloc(ctx->cipher->ctx_size); 237e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if (!ctx->cipher_data) 238e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 239e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu EVPerr(EVP_F_EVP_CIPHERINIT_EX, ERR_R_MALLOC_FAILURE); 240e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return 0; 241e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 242e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 243e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu else 244e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 245e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu ctx->cipher_data = NULL; 246e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 247e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu ctx->key_len = cipher->key_len; 248e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu ctx->flags = 0; 249e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if(ctx->cipher->flags & EVP_CIPH_CTRL_INIT) 250e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 251e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if(!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_INIT, 0, NULL)) 252e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 253e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_INITIALIZATION_ERROR); 254e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return 0; 255e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 256e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 257e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 258e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu else if(!ctx->cipher) 259e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 260e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_NO_CIPHER_SET); 261e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return 0; 262e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 263e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#ifndef OPENSSL_NO_ENGINE 264e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modaduguskip_to_init: 265e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#endif 266e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu /* we assume block size is a power of 2 in *cryptUpdate */ 267e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu OPENSSL_assert(ctx->cipher->block_size == 1 268e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu || ctx->cipher->block_size == 8 269e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu || ctx->cipher->block_size == 16); 270e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 271e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if(!(EVP_CIPHER_CTX_flags(ctx) & EVP_CIPH_CUSTOM_IV)) { 272e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu switch(EVP_CIPHER_CTX_mode(ctx)) { 273e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 274e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu case EVP_CIPH_STREAM_CIPHER: 275e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu case EVP_CIPH_ECB_MODE: 276e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu break; 277e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 278e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu case EVP_CIPH_CFB_MODE: 279e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu case EVP_CIPH_OFB_MODE: 280e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 281e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu ctx->num = 0; 282e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 283e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu case EVP_CIPH_CBC_MODE: 284e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 285e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu OPENSSL_assert(EVP_CIPHER_CTX_iv_length(ctx) <= 286e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu (int)sizeof(ctx->iv)); 287e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if(iv) memcpy(ctx->oiv, iv, EVP_CIPHER_CTX_iv_length(ctx)); 288e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu memcpy(ctx->iv, ctx->oiv, EVP_CIPHER_CTX_iv_length(ctx)); 289e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu break; 290e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 291e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu default: 292e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return 0; 293e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu break; 294e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 295e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 296e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 297e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#ifdef OPENSSL_FIPS 298e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu /* After 'key' is set no further parameters changes are permissible. 299e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * So only check for non FIPS enabling at this point. 300e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu */ 301e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if (key && FIPS_mode()) 302e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 303e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if (!(ctx->cipher->flags & EVP_CIPH_FLAG_FIPS) 304e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu & !(ctx->flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW)) 305e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 306e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_DISABLED_FOR_FIPS); 307e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#if 0 308e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu ERR_add_error_data(2, "cipher=", 309e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu EVP_CIPHER_name(ctx->cipher)); 310e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#endif 311e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu ctx->cipher = &bad_cipher; 312e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return 0; 313e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 314e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 315e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#endif 316e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 317e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if(key || (ctx->cipher->flags & EVP_CIPH_ALWAYS_CALL_INIT)) { 318e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if(!ctx->cipher->init(ctx,key,iv,enc)) return 0; 319e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 320e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu ctx->buf_len=0; 321e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu ctx->final_used=0; 322e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu ctx->block_mask=ctx->cipher->block_size-1; 323e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return 1; 324e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 325e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 326e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modaduguint EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *c) 327e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 328e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if (c->cipher != NULL) 329e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 330e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if(c->cipher->cleanup && !c->cipher->cleanup(c)) 331e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return 0; 332e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu /* Cleanse cipher context data */ 333e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if (c->cipher_data) 334e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu OPENSSL_cleanse(c->cipher_data, c->cipher->ctx_size); 335e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 336e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if (c->cipher_data) 337e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu OPENSSL_free(c->cipher_data); 338e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#ifndef OPENSSL_NO_ENGINE 339e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if (c->engine) 340e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu /* The EVP_CIPHER we used belongs to an ENGINE, release the 341e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu * functional reference we held for this reason. */ 342e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu do_engine_finish(c->engine); 343e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#endif 344e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu memset(c,0,sizeof(EVP_CIPHER_CTX)); 345e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return 1; 346e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 347e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 348e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modaduguint EVP_Cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) 349e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 350e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#ifdef OPENSSL_FIPS 351e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu FIPS_selftest_check(); 352e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu#endif 353e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return ctx->cipher->do_cipher(ctx,out,in,inl); 354e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 355e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 356e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modaduguint EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr) 357e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu{ 358e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu int ret; 359e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if(!ctx->cipher) { 360e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu EVPerr(EVP_F_EVP_CIPHER_CTX_CTRL, EVP_R_NO_CIPHER_SET); 361e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return 0; 362e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 363e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 364e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if(!ctx->cipher->ctrl) { 365e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu EVPerr(EVP_F_EVP_CIPHER_CTX_CTRL, EVP_R_CTRL_NOT_IMPLEMENTED); 366e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return 0; 367e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 368e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 369e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu ret = ctx->cipher->ctrl(ctx, type, arg, ptr); 370e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu if(ret == -1) { 371e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu EVPerr(EVP_F_EVP_CIPHER_CTX_CTRL, EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED); 372e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return 0; 373e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 374e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return ret; 375e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu} 376e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 377e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modaduguunsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx) 378e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 379e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return ctx->cipher->flags; 380e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 381e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 382e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modaduguint EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx) 383e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 384e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return ctx->cipher->iv_len; 385e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 386e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu 387e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modaduguint EVP_CIPHER_nid(const EVP_CIPHER *cipher) 388e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu { 389e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu return cipher->nid; 390e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu } 391