Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/hmac/hm_pmeth.c

Index: openssl/crypto/hmac/hm_pmeth.c
diff --git a/openssl/crypto/hmac/hm_pmeth.c b/openssl/crypto/hmac/hm_pmeth.c
deleted file mode 100644
index 0daa44511d242a007eda4a96772f4e3478c7a967..0000000000000000000000000000000000000000
--- a/openssl/crypto/hmac/hm_pmeth.c
+++ /dev/null
@@ -1,271 +0,0 @@
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 2007.
- */
-/* ====================================================================
- * Copyright (c) 2007 The OpenSSL Project.  All rights reserved.
- *
- * 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 above 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 acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED 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 OpenSSL PROJECT OR
- * ITS 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.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-
-#include <stdio.h>
-#include "cryptlib.h"
-#include <openssl/x509.h>
-#include <openssl/x509v3.h>
-#include <openssl/evp.h>
-#include <openssl/hmac.h>
-#include "evp_locl.h"
-
-/* HMAC pkey context structure */
-
-typedef struct
-	{
-	const EVP_MD *md;	/* MD for HMAC use */
-	ASN1_OCTET_STRING ktmp; /* Temp storage for key */
-	HMAC_CTX ctx;
-	} HMAC_PKEY_CTX;
-
-static int pkey_hmac_init(EVP_PKEY_CTX *ctx)
-	{
-	HMAC_PKEY_CTX *hctx;
-	hctx = OPENSSL_malloc(sizeof(HMAC_PKEY_CTX));
-	if (!hctx)
-		return 0;
-	hctx->md = NULL;
-	hctx->ktmp.data = NULL;
-	hctx->ktmp.length = 0;
-	hctx->ktmp.flags = 0;
-	hctx->ktmp.type = V_ASN1_OCTET_STRING;
-	HMAC_CTX_init(&hctx->ctx);
-
-	ctx->data = hctx;
-	ctx->keygen_info_count = 0;
-
-	return 1;
-	}
-
-static int pkey_hmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
-	{
-	HMAC_PKEY_CTX *sctx, *dctx;
-	if (!pkey_hmac_init(dst))
-		return 0;
-       	sctx = src->data;
-	dctx = dst->data;
-	dctx->md = sctx->md;
-	HMAC_CTX_init(&dctx->ctx);
-	if (!HMAC_CTX_copy(&dctx->ctx, &sctx->ctx))
-		return 0;
-	if (sctx->ktmp.data)
-		{
-		if (!ASN1_OCTET_STRING_set(&dctx->ktmp,
-					sctx->ktmp.data, sctx->ktmp.length))
-			return 0;
-		}
-	return 1;
-	}
-
-static void pkey_hmac_cleanup(EVP_PKEY_CTX *ctx)
-	{
-	HMAC_PKEY_CTX *hctx = ctx->data;
-	HMAC_CTX_cleanup(&hctx->ctx);
-	if (hctx->ktmp.data)
-		{
-		if (hctx->ktmp.length)
-			OPENSSL_cleanse(hctx->ktmp.data, hctx->ktmp.length);
-		OPENSSL_free(hctx->ktmp.data);
-		hctx->ktmp.data = NULL;
-		}
-	OPENSSL_free(hctx);
-	}
-
-static int pkey_hmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
-	{
-	ASN1_OCTET_STRING *hkey = NULL;
-	HMAC_PKEY_CTX *hctx = ctx->data;
-	if (!hctx->ktmp.data)
-		return 0;
-	hkey = ASN1_OCTET_STRING_dup(&hctx->ktmp);
-	if (!hkey)
-		return 0;
-	EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, hkey);
-	
-	return 1;
-	}
-
-static int int_update(EVP_MD_CTX *ctx,const void *data,size_t count)
-	{
-	HMAC_PKEY_CTX *hctx = ctx->pctx->data;
-	if (!HMAC_Update(&hctx->ctx, data, count))
-		return 0;
-	return 1;
-	}
-
-static int hmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
-	{
-	HMAC_PKEY_CTX *hctx = ctx->data;
-	HMAC_CTX_set_flags(&hctx->ctx, mctx->flags & ~EVP_MD_CTX_FLAG_NO_INIT);
-	EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
-	mctx->update = int_update;
-	return 1;
-	}
-
-static int hmac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
-					EVP_MD_CTX *mctx)
-	{
-	unsigned int hlen;
-	HMAC_PKEY_CTX *hctx = ctx->data;
-	int l = EVP_MD_CTX_size(mctx);
-
-	if (l < 0)
-		return 0;
-	*siglen = l;
-	if (!sig)
-		return 1;
-
-	if (!HMAC_Final(&hctx->ctx, sig, &hlen))
-		return 0;
-	*siglen = (size_t)hlen;
-	return 1;
-	}
-
-static int pkey_hmac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
-	{
-	HMAC_PKEY_CTX *hctx = ctx->data;
-	ASN1_OCTET_STRING *key;
-	switch (type)
-		{
-
-		case EVP_PKEY_CTRL_SET_MAC_KEY:
-		if ((!p2 && p1 > 0) || (p1 < -1))
-			return 0;
-		if (!ASN1_OCTET_STRING_set(&hctx->ktmp, p2, p1))
-			return 0;
-		break;
-
-		case EVP_PKEY_CTRL_MD:
-		hctx->md = p2;
-		break;
-
-		case EVP_PKEY_CTRL_DIGESTINIT:
-		key = (ASN1_OCTET_STRING *)ctx->pkey->pkey.ptr;
-		if (!HMAC_Init_ex(&hctx->ctx, key->data, key->length, hctx->md,
-				ctx->engine))
-			return 0;
-		break;
-
-		default:
-		return -2;
-
-		}
-	return 1;
-	}
-
-static int pkey_hmac_ctrl_str(EVP_PKEY_CTX *ctx,
-			const char *type, const char *value)
-	{
-	if (!value)
-		{
-		return 0;
-		}
-	if (!strcmp(type, "key"))
-		{
-		void *p = (void *)value;
-		return pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
-				-1, p);
-		}
-	if (!strcmp(type, "hexkey"))
-		{
-		unsigned char *key;
-		int r;
-		long keylen;
-		key = string_to_hex(value, &keylen);
-		if (!key)
-			return 0;
-		r = pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key);
-		OPENSSL_free(key);
-		return r;
-		}
-	return -2;
-	}
-
-const EVP_PKEY_METHOD hmac_pkey_meth = 
-	{
-	EVP_PKEY_HMAC,
-	0,
-	pkey_hmac_init,
-	pkey_hmac_copy,
-	pkey_hmac_cleanup,
-
-	0, 0,
-
-	0,
-	pkey_hmac_keygen,
-
-	0, 0,
-
-	0, 0,
-
-	0,0,
-
-	hmac_signctx_init,
-	hmac_signctx,
-
-	0,0,
-
-	0,0,
-
-	0,0,
-
-	0,0,
-
-	pkey_hmac_ctrl,
-	pkey_hmac_ctrl_str
-
-	};