Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/evp/evp_enc.c

Index: openssl/crypto/evp/evp_enc.c
diff --git a/openssl/crypto/evp/evp_enc.c b/openssl/crypto/evp/evp_enc.c
deleted file mode 100644
index 0c54f05e6ef511e3ae27ed0ec2b46c1ea26fa9f1..0000000000000000000000000000000000000000
--- a/openssl/crypto/evp/evp_enc.c
+++ /dev/null
@@ -1,681 +0,0 @@
-/* crypto/evp/evp_enc.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * 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.]
- */
-
-#include <stdio.h>
-#include "cryptlib.h"
-#include <openssl/evp.h>
-#include <openssl/err.h>
-#include <openssl/rand.h>
-#ifndef OPENSSL_NO_ENGINE
-#include <openssl/engine.h>
-#endif
-#ifdef OPENSSL_FIPS
-#include <openssl/fips.h>
-#endif
-#include "evp_locl.h"
-
-#ifdef OPENSSL_FIPS
-#define M_do_cipher(ctx, out, in, inl) FIPS_cipher(ctx, out, in, inl)
-#else
-#define M_do_cipher(ctx, out, in, inl) ctx->cipher->do_cipher(ctx, out, in, inl)
-#endif
-
-
-const char EVP_version[]="EVP" OPENSSL_VERSION_PTEXT;
-
-void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *ctx)
-	{
-	memset(ctx,0,sizeof(EVP_CIPHER_CTX));
-	/* ctx->cipher=NULL; */
-	}
-
-EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void)
-	{
-	EVP_CIPHER_CTX *ctx=OPENSSL_malloc(sizeof *ctx);
-	if (ctx)
-		EVP_CIPHER_CTX_init(ctx);
-	return ctx;
-	}
-
-int EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
-	     const unsigned char *key, const unsigned char *iv, int enc)
-	{
-	if (cipher)
-		EVP_CIPHER_CTX_init(ctx);
-	return EVP_CipherInit_ex(ctx,cipher,NULL,key,iv,enc);
-	}
-
-int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, ENGINE *impl,
-	     const unsigned char *key, const unsigned char *iv, int enc)
-	{
-	if (enc == -1)
-		enc = ctx->encrypt;
-	else
-		{
-		if (enc)
-			enc = 1;
-		ctx->encrypt = enc;
-		}
-#ifndef OPENSSL_NO_ENGINE
-	/* Whether it's nice or not, "Inits" can be used on "Final"'d contexts
-	 * so this context may already have an ENGINE! Try to avoid releasing
-	 * the previous handle, re-querying for an ENGINE, and having a
-	 * reinitialisation, when it may all be unecessary. */
-	if (ctx->engine && ctx->cipher && (!cipher ||
-			(cipher && (cipher->nid == ctx->cipher->nid))))
-		goto skip_to_init;
-#endif
-	if (cipher)
-		{
-		/* Ensure a context left lying around from last time is cleared
-		 * (the previous check attempted to avoid this if the same
-		 * ENGINE and EVP_CIPHER could be used). */
-		if (ctx->cipher)
-			{
-			unsigned long flags = ctx->flags;
-			EVP_CIPHER_CTX_cleanup(ctx);
-			/* Restore encrypt and flags */
-			ctx->encrypt = enc;
-			ctx->flags = flags;
-			}
-#ifndef OPENSSL_NO_ENGINE
-		if(impl)
-			{
-			if (!ENGINE_init(impl))
-				{
-				EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_INITIALIZATION_ERROR);
-				return 0;
-				}
-			}
-		else
-			/* Ask if an ENGINE is reserved for this job */
-			impl = ENGINE_get_cipher_engine(cipher->nid);
-		if(impl)
-			{
-			/* There's an ENGINE for this job ... (apparently) */
-			const EVP_CIPHER *c = ENGINE_get_cipher(impl, cipher->nid);
-			if(!c)
-				{
-				/* One positive side-effect of US's export
-				 * control history, is that we should at least
-				 * be able to avoid using US mispellings of
-				 * "initialisation"? */
-				EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_INITIALIZATION_ERROR);
-				return 0;
-				}
-			/* We'll use the ENGINE's private cipher definition */
-			cipher = c;
-			/* Store the ENGINE functional reference so we know
-			 * 'cipher' came from an ENGINE and we need to release
-			 * it when done. */
-			ctx->engine = impl;
-			}
-		else
-			ctx->engine = NULL;
-#endif
-
-#ifdef OPENSSL_FIPS
-		if (FIPS_mode())
-			return FIPS_cipherinit(ctx, cipher, key, iv, enc);
-#endif
-		ctx->cipher=cipher;
-		if (ctx->cipher->ctx_size)
-			{
-			ctx->cipher_data=OPENSSL_malloc(ctx->cipher->ctx_size);
-			if (!ctx->cipher_data)
-				{
-				EVPerr(EVP_F_EVP_CIPHERINIT_EX, ERR_R_MALLOC_FAILURE);
-				return 0;
-				}
-			}
-		else
-			{
-			ctx->cipher_data = NULL;
-			}
-		ctx->key_len = cipher->key_len;
-		ctx->flags = 0;
-		if(ctx->cipher->flags & EVP_CIPH_CTRL_INIT)
-			{
-			if(!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_INIT, 0, NULL))
-				{
-				EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_INITIALIZATION_ERROR);
-				return 0;
-				}
-			}
-		}
-	else if(!ctx->cipher)
-		{
-		EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_NO_CIPHER_SET);
-		return 0;
-		}
-#ifndef OPENSSL_NO_ENGINE
-skip_to_init:
-#endif
-#ifdef OPENSSL_FIPS
-	if (FIPS_mode())
-		return FIPS_cipherinit(ctx, cipher, key, iv, enc);
-#endif
-	/* we assume block size is a power of 2 in *cryptUpdate */
-	OPENSSL_assert(ctx->cipher->block_size == 1
-	    || ctx->cipher->block_size == 8
-	    || ctx->cipher->block_size == 16);
-
-	if(!(EVP_CIPHER_CTX_flags(ctx) & EVP_CIPH_CUSTOM_IV)) {
-		switch(EVP_CIPHER_CTX_mode(ctx)) {
-
-			case EVP_CIPH_STREAM_CIPHER:
-			case EVP_CIPH_ECB_MODE:
-			break;
-
-			case EVP_CIPH_CFB_MODE:
-			case EVP_CIPH_OFB_MODE:
-
-			ctx->num = 0;
-			/* fall-through */
-
-			case EVP_CIPH_CBC_MODE:
-
-			OPENSSL_assert(EVP_CIPHER_CTX_iv_length(ctx) <=
-					(int)sizeof(ctx->iv));
-			if(iv) memcpy(ctx->oiv, iv, EVP_CIPHER_CTX_iv_length(ctx));
-			memcpy(ctx->iv, ctx->oiv, EVP_CIPHER_CTX_iv_length(ctx));
-			break;
-
-			case EVP_CIPH_CTR_MODE:
-			ctx->num = 0;
-			/* Don't reuse IV for CTR mode */
-			if(iv)
-				memcpy(ctx->iv, iv, EVP_CIPHER_CTX_iv_length(ctx));
-			break;
-
-			default:
-			return 0;
-			break;
-		}
-	}
-
-	if(key || (ctx->cipher->flags & EVP_CIPH_ALWAYS_CALL_INIT)) {
-		if(!ctx->cipher->init(ctx,key,iv,enc)) return 0;
-	}
-	ctx->buf_len=0;
-	ctx->final_used=0;
-	ctx->block_mask=ctx->cipher->block_size-1;
-	return 1;
-	}
-
-int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
-	     const unsigned char *in, int inl)
-	{
-	if (ctx->encrypt)
-		return EVP_EncryptUpdate(ctx,out,outl,in,inl);
-	else	return EVP_DecryptUpdate(ctx,out,outl,in,inl);
-	}
-
-int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)
-	{
-	if (ctx->encrypt)
-		return EVP_EncryptFinal_ex(ctx,out,outl);
-	else	return EVP_DecryptFinal_ex(ctx,out,outl);
-	}
-
-int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)
-	{
-	if (ctx->encrypt)
-		return EVP_EncryptFinal(ctx,out,outl);
-	else	return EVP_DecryptFinal(ctx,out,outl);
-	}
-
-int EVP_EncryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
-	     const unsigned char *key, const unsigned char *iv)
-	{
-	return EVP_CipherInit(ctx, cipher, key, iv, 1);
-	}
-
-int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *cipher, ENGINE *impl,
-		const unsigned char *key, const unsigned char *iv)
-	{
-	return EVP_CipherInit_ex(ctx, cipher, impl, key, iv, 1);
-	}
-
-int EVP_DecryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
-	     const unsigned char *key, const unsigned char *iv)
-	{
-	return EVP_CipherInit(ctx, cipher, key, iv, 0);
-	}
-
-int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, ENGINE *impl,
-	     const unsigned char *key, const unsigned char *iv)
-	{
-	return EVP_CipherInit_ex(ctx, cipher, impl, key, iv, 0);
-	}
-
-int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
-	     const unsigned char *in, int inl)
-	{
-	int i,j,bl;
-
-	if (ctx->cipher->flags & EVP_CIPH_FLAG_CUSTOM_CIPHER)
-		{
-		i = M_do_cipher(ctx, out, in, inl);
-		if (i < 0)
-			return 0;
-		else
-			*outl = i;
-		return 1;
-		}
-
-	if (inl <= 0)
-		{
-		*outl = 0;
-		return inl == 0;
-		}
-
-	if(ctx->buf_len == 0 && (inl&(ctx->block_mask)) == 0)
-		{
-		if(M_do_cipher(ctx,out,in,inl))
-			{
-			*outl=inl;
-			return 1;
-			}
-		else
-			{
-			*outl=0;
-			return 0;
-			}
-		}
-	i=ctx->buf_len;
-	bl=ctx->cipher->block_size;
-	OPENSSL_assert(bl <= (int)sizeof(ctx->buf));
-	if (i != 0)
-		{
-		if (i+inl < bl)
-			{
-			memcpy(&(ctx->buf[i]),in,inl);
-			ctx->buf_len+=inl;
-			*outl=0;
-			return 1;
-			}
-		else
-			{
-			j=bl-i;
-			memcpy(&(ctx->buf[i]),in,j);
-			if(!M_do_cipher(ctx,out,ctx->buf,bl)) return 0;
-			inl-=j;
-			in+=j;
-			out+=bl;
-			*outl=bl;
-			}
-		}
-	else
-		*outl = 0;
-	i=inl&(bl-1);
-	inl-=i;
-	if (inl > 0)
-		{
-		if(!M_do_cipher(ctx,out,in,inl)) return 0;
-		*outl+=inl;
-		}
-
-	if (i != 0)
-		memcpy(ctx->buf,&(in[inl]),i);
-	ctx->buf_len=i;
-	return 1;
-	}
-
-int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)
-	{
-	int ret;
-	ret = EVP_EncryptFinal_ex(ctx, out, outl);
-	return ret;
-	}
-
-int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)
-	{
-	int n,ret;
-	unsigned int i, b, bl;
-
-	if (ctx->cipher->flags & EVP_CIPH_FLAG_CUSTOM_CIPHER)
-		{
-		ret = M_do_cipher(ctx, out, NULL, 0);
-		if (ret < 0)
-			return 0;
-		else 
-			*outl = ret;
-		return 1;
-		}
-
-	b=ctx->cipher->block_size;
-	OPENSSL_assert(b <= sizeof ctx->buf);
-	if (b == 1)
-		{
-		*outl=0;
-		return 1;
-		}
-	bl=ctx->buf_len;
-	if (ctx->flags & EVP_CIPH_NO_PADDING)
-		{
-		if(bl)
-			{
-			EVPerr(EVP_F_EVP_ENCRYPTFINAL_EX,EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH);
-			return 0;
-			}
-		*outl = 0;
-		return 1;
-		}
-
-	n=b-bl;
-	for (i=bl; i<b; i++)
-		ctx->buf[i]=n;
-	ret=M_do_cipher(ctx,out,ctx->buf,b);
-
-
-	if(ret)
-		*outl=b;
-
-	return ret;
-	}
-
-int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
-	     const unsigned char *in, int inl)
-	{
-	int fix_len;
-	unsigned int b;
-
-	if (ctx->cipher->flags & EVP_CIPH_FLAG_CUSTOM_CIPHER)
-		{
-		fix_len = M_do_cipher(ctx, out, in, inl);
-		if (fix_len < 0)
-			{
-			*outl = 0;
-			return 0;
-			}
-		else
-			*outl = fix_len;
-		return 1;
-		}
-
-	if (inl <= 0)
-		{
-		*outl = 0;
-		return inl == 0;
-		}
-
-	if (ctx->flags & EVP_CIPH_NO_PADDING)
-		return EVP_EncryptUpdate(ctx, out, outl, in, inl);
-
-	b=ctx->cipher->block_size;
-	OPENSSL_assert(b <= sizeof ctx->final);
-
-	if(ctx->final_used)
-		{
-		memcpy(out,ctx->final,b);
-		out+=b;
-		fix_len = 1;
-		}
-	else
-		fix_len = 0;
-
-
-	if(!EVP_EncryptUpdate(ctx,out,outl,in,inl))
-		return 0;
-
-	/* if we have 'decrypted' a multiple of block size, make sure
-	 * we have a copy of this last block */
-	if (b > 1 && !ctx->buf_len)
-		{
-		*outl-=b;
-		ctx->final_used=1;
-		memcpy(ctx->final,&out[*outl],b);
-		}
-	else
-		ctx->final_used = 0;
-
-	if (fix_len)
-		*outl += b;
-		
-	return 1;
-	}
-
-int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)
-	{
-	int ret;
-	ret = EVP_DecryptFinal_ex(ctx, out, outl);
-	return ret;
-	}
-
-int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)
-	{
-	int i,n;
-	unsigned int b;
-	*outl=0;
-
-	if (ctx->cipher->flags & EVP_CIPH_FLAG_CUSTOM_CIPHER)
-		{
-		i = M_do_cipher(ctx, out, NULL, 0);
-		if (i < 0)
-			return 0;
-		else
-			*outl = i;
-		return 1;
-		}
-
-	b=ctx->cipher->block_size;
-	if (ctx->flags & EVP_CIPH_NO_PADDING)
-		{
-		if(ctx->buf_len)
-			{
-			EVPerr(EVP_F_EVP_DECRYPTFINAL_EX,EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH);
-			return 0;
-			}
-		*outl = 0;
-		return 1;
-		}
-	if (b > 1)
-		{
-		if (ctx->buf_len || !ctx->final_used)
-			{
-			EVPerr(EVP_F_EVP_DECRYPTFINAL_EX,EVP_R_WRONG_FINAL_BLOCK_LENGTH);
-			return(0);
-			}
-		OPENSSL_assert(b <= sizeof ctx->final);
-		n=ctx->final[b-1];
-		if (n == 0 || n > (int)b)
-			{
-			EVPerr(EVP_F_EVP_DECRYPTFINAL_EX,EVP_R_BAD_DECRYPT);
-			return(0);
-			}
-		for (i=0; i<n; i++)
-			{
-			if (ctx->final[--b] != n)
-				{
-				EVPerr(EVP_F_EVP_DECRYPTFINAL_EX,EVP_R_BAD_DECRYPT);
-				return(0);
-				}
-			}
-		n=ctx->cipher->block_size-n;
-		for (i=0; i<n; i++)
-			out[i]=ctx->final[i];
-		*outl=n;
-		}
-	else
-		*outl=0;
-	return(1);
-	}
-
-void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *ctx)
-	{
-	if (ctx)
-		{
-		EVP_CIPHER_CTX_cleanup(ctx);
-		OPENSSL_free(ctx);
-		}
-	}
-
-int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *c)
-	{
-#ifndef OPENSSL_FIPS
-	if (c->cipher != NULL)
-		{
-		if(c->cipher->cleanup && !c->cipher->cleanup(c))
-			return 0;
-		/* Cleanse cipher context data */
-		if (c->cipher_data)
-			OPENSSL_cleanse(c->cipher_data, c->cipher->ctx_size);
-		}
-	if (c->cipher_data)
-		OPENSSL_free(c->cipher_data);
-#endif
-#ifndef OPENSSL_NO_ENGINE
-	if (c->engine)
-		/* The EVP_CIPHER we used belongs to an ENGINE, release the
-		 * functional reference we held for this reason. */
-		ENGINE_finish(c->engine);
-#endif
-#ifdef OPENSSL_FIPS
-	FIPS_cipher_ctx_cleanup(c);
-#endif
-	memset(c,0,sizeof(EVP_CIPHER_CTX));
-	return 1;
-	}
-
-int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *c, int keylen)
-	{
-	if(c->cipher->flags & EVP_CIPH_CUSTOM_KEY_LENGTH) 
-		return EVP_CIPHER_CTX_ctrl(c, EVP_CTRL_SET_KEY_LENGTH, keylen, NULL);
-	if(c->key_len == keylen) return 1;
-	if((keylen > 0) && (c->cipher->flags & EVP_CIPH_VARIABLE_LENGTH))
-		{
-		c->key_len = keylen;
-		return 1;
-		}
-	EVPerr(EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH,EVP_R_INVALID_KEY_LENGTH);
-	return 0;
-	}
-
-int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *ctx, int pad)
-	{
-	if (pad) ctx->flags &= ~EVP_CIPH_NO_PADDING;
-	else ctx->flags |= EVP_CIPH_NO_PADDING;
-	return 1;
-	}
-
-int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr)
-{
-	int ret;
-	if(!ctx->cipher) {
-		EVPerr(EVP_F_EVP_CIPHER_CTX_CTRL, EVP_R_NO_CIPHER_SET);
-		return 0;
-	}
-
-	if(!ctx->cipher->ctrl) {
-		EVPerr(EVP_F_EVP_CIPHER_CTX_CTRL, EVP_R_CTRL_NOT_IMPLEMENTED);
-		return 0;
-	}
-
-	ret = ctx->cipher->ctrl(ctx, type, arg, ptr);
-	if(ret == -1) {
-		EVPerr(EVP_F_EVP_CIPHER_CTX_CTRL, EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED);
-		return 0;
-	}
-	return ret;
-}
-
-int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key)
-	{
-	if (ctx->cipher->flags & EVP_CIPH_RAND_KEY)
-		return EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_RAND_KEY, 0, key);
-	if (RAND_bytes(key, ctx->key_len) <= 0)
-		return 0;
-	return 1;
-	}
-
-int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in)
-	{
-	if ((in == NULL) || (in->cipher == NULL))
-		{
-		EVPerr(EVP_F_EVP_CIPHER_CTX_COPY,EVP_R_INPUT_NOT_INITIALIZED);
-		return 0;
-		}
-#ifndef OPENSSL_NO_ENGINE
-	/* Make sure it's safe to copy a cipher context using an ENGINE */
-	if (in->engine && !ENGINE_init(in->engine))
-		{
-		EVPerr(EVP_F_EVP_CIPHER_CTX_COPY,ERR_R_ENGINE_LIB);
-		return 0;
-		}
-#endif
-
-	EVP_CIPHER_CTX_cleanup(out);
-	memcpy(out,in,sizeof *out);
-
-	if (in->cipher_data && in->cipher->ctx_size)
-		{
-		out->cipher_data=OPENSSL_malloc(in->cipher->ctx_size);
-		if (!out->cipher_data)
-			{
-			EVPerr(EVP_F_EVP_CIPHER_CTX_COPY,ERR_R_MALLOC_FAILURE);
-			return 0;
-			}
-		memcpy(out->cipher_data,in->cipher_data,in->cipher->ctx_size);
-		}
-
-	if (in->cipher->flags & EVP_CIPH_CUSTOM_COPY)
-		return in->cipher->ctrl((EVP_CIPHER_CTX *)in, EVP_CTRL_COPY, 0, out);
-	return 1;
-	}
-