Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/evp/evp_aead.c

Index: openssl/crypto/evp/evp_aead.c
diff --git a/openssl/crypto/evp/evp_aead.c b/openssl/crypto/evp/evp_aead.c
deleted file mode 100644
index 91da561f68a30fc9355b5153d5d23a300f78321b..0000000000000000000000000000000000000000
--- a/openssl/crypto/evp/evp_aead.c
+++ /dev/null
@@ -1,192 +0,0 @@
-/* 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 <limits.h>
-#include <string.h>
-
-#include <openssl/evp.h>
-#include <openssl/err.h>
-
-#include "evp_locl.h"
-
-size_t EVP_AEAD_key_length(const EVP_AEAD *aead)
-	{
-	return aead->key_len;
-	}
-
-size_t EVP_AEAD_nonce_length(const EVP_AEAD *aead)
-	{
-	return aead->nonce_len;
-	}
-
-size_t EVP_AEAD_max_overhead(const EVP_AEAD *aead)
-	{
-	return aead->overhead;
-	}
-
-size_t EVP_AEAD_max_tag_len(const EVP_AEAD *aead)
-	{
-	return aead->max_tag_len;
-	}
-
-int EVP_AEAD_CTX_init(EVP_AEAD_CTX *ctx, const EVP_AEAD *aead,
-		      const unsigned char *key, size_t key_len,
-		      size_t tag_len, ENGINE *impl)
-	{
-	ctx->aead = aead;
-	if (key_len != aead->key_len)
-		{
-		EVPerr(EVP_F_EVP_AEAD_CTX_INIT,EVP_R_UNSUPPORTED_KEY_SIZE);
-		return 0;
-		}
-	return aead->init(ctx, key, key_len, tag_len);
-	}
-
-void EVP_AEAD_CTX_cleanup(EVP_AEAD_CTX *ctx)
-	{
-	if (ctx->aead == NULL)
-		return;
-	ctx->aead->cleanup(ctx);
-	ctx->aead = NULL;
-	}
-
-/* check_alias returns 0 if |out| points within the buffer determined by |in|
- * and |in_len| and 1 otherwise.
- *
- * When processing, there's only an issue if |out| points within in[:in_len]
- * and isn't equal to |in|. If that's the case then writing the output will
- * stomp input that hasn't been read yet.
- *
- * This function checks for that case. */
-static int check_alias(const unsigned char *in, size_t in_len,
-		       const unsigned char *out)
-	{
-	if (out <= in)
-		return 1;
-	if (in + in_len <= out)
-		return 1;
-	return 0;
-	}
-
-ssize_t EVP_AEAD_CTX_seal(const EVP_AEAD_CTX *ctx,
-			  unsigned char *out, size_t max_out_len,
-			  const unsigned char *nonce, size_t nonce_len,
-			  const unsigned char *in, size_t in_len,
-			  const unsigned char *ad, size_t ad_len)
-	{
-	size_t possible_out_len = in_len + ctx->aead->overhead;
-	ssize_t r;
-
-	if (possible_out_len < in_len /* overflow */ ||
-	    possible_out_len > SSIZE_MAX /* return value cannot be
-					    represented */)
-		{
-		EVPerr(EVP_F_AEAD_CTX_SEAL, EVP_R_TOO_LARGE);
-		goto error;
-		}
-
-	if (!check_alias(in, in_len, out))
-		{
-		EVPerr(EVP_F_AEAD_CTX_SEAL, EVP_R_OUTPUT_ALIASES_INPUT);
-		goto error;
-		}
-
-	r = ctx->aead->seal(ctx, out, max_out_len, nonce, nonce_len,
-			    in, in_len, ad, ad_len);
-	if (r >= 0)
-		return r;
-
-error:
-	/* In the event of an error, clear the output buffer so that a caller
-	 * that doesn't check the return value doesn't send raw data. */
-	memset(out, 0, max_out_len);
-	return -1;
-	}
-
-ssize_t EVP_AEAD_CTX_open(const EVP_AEAD_CTX *ctx,
-			 unsigned char *out, size_t max_out_len,
-			 const unsigned char *nonce, size_t nonce_len,
-			 const unsigned char *in, size_t in_len,
-			 const unsigned char *ad, size_t ad_len)
-	{
-	ssize_t r;
-
-	if (in_len > SSIZE_MAX)
-		{
-		EVPerr(EVP_F_AEAD_CTX_OPEN, EVP_R_TOO_LARGE);
-		goto error;  /* may not be able to represent return value. */
-		}
-
-	if (!check_alias(in, in_len, out))
-		{
-		EVPerr(EVP_F_AEAD_CTX_OPEN, EVP_R_OUTPUT_ALIASES_INPUT);
-		goto error;
-		}
-
-	r = ctx->aead->open(ctx, out, max_out_len, nonce, nonce_len,
-			    in, in_len, ad, ad_len);
-
-	if (r >= 0)
-		return r;
-
-error:
-	/* In the event of an error, clear the output buffer so that a caller
-	 * that doesn't check the return value doesn't try and process bad
-	 * data. */
-	memset(out, 0, max_out_len);
-	return -1;
-	}