Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/evp/pmeth_lib.c

Index: openssl/crypto/evp/pmeth_lib.c
diff --git a/openssl/crypto/evp/pmeth_lib.c b/openssl/crypto/evp/pmeth_lib.c
deleted file mode 100644
index acfa7b6f873d48fba49d22ea2a8b66b0530989cb..0000000000000000000000000000000000000000
--- a/openssl/crypto/evp/pmeth_lib.c
+++ /dev/null
@@ -1,593 +0,0 @@
-/* pmeth_lib.c */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 2006.
- */
-/* ====================================================================
- * Copyright (c) 2006 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 <stdlib.h>
-#include "cryptlib.h"
-#include <openssl/objects.h>
-#include <openssl/evp.h>
-#ifndef OPENSSL_NO_ENGINE
-#include <openssl/engine.h>
-#endif
-#include "asn1_locl.h"
-#include "evp_locl.h"
-
-typedef int sk_cmp_fn_type(const char * const *a, const char * const *b);
-
-DECLARE_STACK_OF(EVP_PKEY_METHOD)
-STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL;
-
-extern const EVP_PKEY_METHOD rsa_pkey_meth, dh_pkey_meth, dsa_pkey_meth;
-extern const EVP_PKEY_METHOD ec_pkey_meth, hmac_pkey_meth, cmac_pkey_meth;
-
-static const EVP_PKEY_METHOD *standard_methods[] =
-	{
-#ifndef OPENSSL_NO_RSA
-	&rsa_pkey_meth,
-#endif
-#ifndef OPENSSL_NO_DH
-	&dh_pkey_meth,
-#endif
-#ifndef OPENSSL_NO_DSA
-	&dsa_pkey_meth,
-#endif
-#ifndef OPENSSL_NO_EC
-	&ec_pkey_meth,
-#endif
-	&hmac_pkey_meth,
-	&cmac_pkey_meth
-	};
-
-DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
-			   pmeth);
-
-static int pmeth_cmp(const EVP_PKEY_METHOD * const *a,
-		     const EVP_PKEY_METHOD * const *b)
-	{
-        return ((*a)->pkey_id - (*b)->pkey_id);
-	}
-
-IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
-			     pmeth);
-
-const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
-	{
-	EVP_PKEY_METHOD tmp;
-	const EVP_PKEY_METHOD *t = &tmp, **ret;
-	tmp.pkey_id = type;
-	if (app_pkey_methods)
-		{
-		int idx;
-		idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
-		if (idx >= 0)
-			return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
-		}
-	ret = OBJ_bsearch_pmeth(&t, standard_methods,
-			  sizeof(standard_methods)/sizeof(EVP_PKEY_METHOD *));
-	if (!ret || !*ret)
-		return NULL;
-	return *ret;
-	}
-
-static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id)
-	{
-	EVP_PKEY_CTX *ret;
-	const EVP_PKEY_METHOD *pmeth;
-	if (id == -1)
-		{
-		if (!pkey || !pkey->ameth)
-			return NULL;
-		id = pkey->ameth->pkey_id;
-		}
-#ifndef OPENSSL_NO_ENGINE
-	if (pkey && pkey->engine)
-		e = pkey->engine;
-	/* Try to find an ENGINE which implements this method */
-	if (e)
-		{
-		if (!ENGINE_init(e))
-			{
-			EVPerr(EVP_F_INT_CTX_NEW,ERR_R_ENGINE_LIB);
-			return NULL;
-			}
-		}
-	else
-		e = ENGINE_get_pkey_meth_engine(id);
-
-	/* If an ENGINE handled this method look it up. Othewise
-	 * use internal tables.
-	 */
-
-	if (e)
-		pmeth = ENGINE_get_pkey_meth(e, id);
-	else
-#endif
-		pmeth = EVP_PKEY_meth_find(id);
-
-	if (pmeth == NULL)
-		{
-		EVPerr(EVP_F_INT_CTX_NEW,EVP_R_UNSUPPORTED_ALGORITHM);
-		return NULL;
-		}
-
-	ret = OPENSSL_malloc(sizeof(EVP_PKEY_CTX));
-	if (!ret)
-		{
-#ifndef OPENSSL_NO_ENGINE
-		if (e)
-			ENGINE_finish(e);
-#endif
-		EVPerr(EVP_F_INT_CTX_NEW,ERR_R_MALLOC_FAILURE);
-		return NULL;
-		}
-	ret->engine = e;
-	ret->pmeth = pmeth;
-	ret->operation = EVP_PKEY_OP_UNDEFINED;
-	ret->pkey = pkey;
-	ret->peerkey = NULL;
-	ret->pkey_gencb = 0;
-	if (pkey)
-		CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY);
-	ret->data = NULL;
-
-	if (pmeth->init)
-		{
-		if (pmeth->init(ret) <= 0)
-			{
-			EVP_PKEY_CTX_free(ret);
-			return NULL;
-			}
-		}
-
-	return ret;
-	}
-
-EVP_PKEY_METHOD* EVP_PKEY_meth_new(int id, int flags)
-	{
-	EVP_PKEY_METHOD *pmeth;
-	pmeth = OPENSSL_malloc(sizeof(EVP_PKEY_METHOD));
-	if (!pmeth)
-		return NULL;
-
-	memset(pmeth, 0, sizeof(EVP_PKEY_METHOD));
-
-	pmeth->pkey_id = id;
-	pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
-
-	pmeth->init = 0;
-	pmeth->copy = 0;
-	pmeth->cleanup = 0;
-	pmeth->paramgen_init = 0;
-	pmeth->paramgen = 0;
-	pmeth->keygen_init = 0;
-	pmeth->keygen = 0;
-	pmeth->sign_init = 0;
-	pmeth->sign = 0;
-	pmeth->verify_init = 0;
-	pmeth->verify = 0;
-	pmeth->verify_recover_init = 0;
-	pmeth->verify_recover = 0;
-	pmeth->signctx_init = 0;
-	pmeth->signctx = 0;
-	pmeth->verifyctx_init = 0;
-	pmeth->verifyctx = 0;
-	pmeth->encrypt_init = 0;
-	pmeth->encrypt = 0;
-	pmeth->decrypt_init = 0;
-	pmeth->decrypt = 0;
-	pmeth->derive_init = 0;
-	pmeth->derive = 0;
-	pmeth->ctrl = 0;
-	pmeth->ctrl_str = 0;
-
-	return pmeth;
-	}
-
-void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
-				const EVP_PKEY_METHOD *meth)
-	{
-	if (ppkey_id)
-		*ppkey_id = meth->pkey_id;
-	if (pflags)
-		*pflags = meth->flags;
-	}
-
-void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
-	{
-
-	dst->init = src->init;
-	dst->copy = src->copy;
-	dst->cleanup = src->cleanup;
-
-	dst->paramgen_init = src->paramgen_init;
-	dst->paramgen = src->paramgen;
-
-	dst->keygen_init = src->keygen_init;
-	dst->keygen = src->keygen;
-
-	dst->sign_init = src->sign_init;
-	dst->sign = src->sign;
-
-	dst->verify_init = src->verify_init;
-	dst->verify = src->verify;
-
-	dst->verify_recover_init = src->verify_recover_init;
-	dst->verify_recover = src->verify_recover;
-
-	dst->signctx_init = src->signctx_init;
-	dst->signctx = src->signctx;
-
-	dst->verifyctx_init = src->verifyctx_init;
-	dst->verifyctx = src->verifyctx;
-
-	dst->encrypt_init = src->encrypt_init;
-	dst->encrypt = src->encrypt;
-
-	dst->decrypt_init = src->decrypt_init;
-	dst->decrypt = src->decrypt;
-
-	dst->derive_init = src->derive_init;
-	dst->derive = src->derive;
-
-	dst->ctrl = src->ctrl;
-	dst->ctrl_str = src->ctrl_str;
-	}
-
-void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
-	{
-	if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
-		OPENSSL_free(pmeth);
-	}
-
-EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
-	{
-	return int_ctx_new(pkey, e, -1);
-	}
-
-EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
-	{
-	return int_ctx_new(NULL, e, id);
-	}
-
-EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *pctx)
-	{
-	EVP_PKEY_CTX *rctx;
-	if (!pctx->pmeth || !pctx->pmeth->copy)
-		return NULL;
-#ifndef OPENSSL_NO_ENGINE
-	/* Make sure it's safe to copy a pkey context using an ENGINE */
-	if (pctx->engine && !ENGINE_init(pctx->engine))
-		{
-		EVPerr(EVP_F_EVP_PKEY_CTX_DUP,ERR_R_ENGINE_LIB);
-		return 0;
-		}
-#endif
-	rctx = OPENSSL_malloc(sizeof(EVP_PKEY_CTX));
-	if (!rctx)
-		return NULL;
-
-	rctx->pmeth = pctx->pmeth;
-#ifndef OPENSSL_NO_ENGINE
-	rctx->engine = pctx->engine;
-#endif
-
-	if (pctx->pkey)
-		CRYPTO_add(&pctx->pkey->references,1,CRYPTO_LOCK_EVP_PKEY);
-
-	rctx->pkey = pctx->pkey;
-
-	if (pctx->peerkey)
-		CRYPTO_add(&pctx->peerkey->references,1,CRYPTO_LOCK_EVP_PKEY);
-
-	rctx->peerkey = pctx->peerkey;
-
-	rctx->data = NULL;
-	rctx->app_data = NULL;
-	rctx->operation = pctx->operation;
-
-	if (pctx->pmeth->copy(rctx, pctx) > 0)
-		return rctx;
-
-	EVP_PKEY_CTX_free(rctx);
-	return NULL;
-
-	}
-
-int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
-	{
-	if (app_pkey_methods == NULL)
-		{
-		app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
-		if (!app_pkey_methods)
-			return 0;
-		}
-	if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth))
-		return 0;
-	sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
-	return 1;
-	}
-
-void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
-	{
-	if (ctx == NULL)
-		return;
-	if (ctx->pmeth && ctx->pmeth->cleanup)
-		ctx->pmeth->cleanup(ctx);
-	if (ctx->pkey)
-		EVP_PKEY_free(ctx->pkey);
-	if (ctx->peerkey)
-		EVP_PKEY_free(ctx->peerkey);
-#ifndef OPENSSL_NO_ENGINE
-	if(ctx->engine)
-		/* The EVP_PKEY_CTX we used belongs to an ENGINE, release the
-		 * functional reference we held for this reason. */
-		ENGINE_finish(ctx->engine);
-#endif
-	OPENSSL_free(ctx);
-	}
-
-int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
-				int cmd, int p1, void *p2)
-	{
-	int ret;
-	if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl)
-		{
-		EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
-		return -2;
-		}
-	if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
-		return -1;
-
-	if (ctx->operation == EVP_PKEY_OP_UNDEFINED)
-		{
-		EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
-		return -1;
-		}
-
-	if ((optype != -1) && !(ctx->operation & optype))
-		{
-		EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
-		return -1;
-		}
-
-	ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
-
-	if (ret == -2)
-		EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
-
-	return ret;
-
-	}
-
-int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
-					const char *name, const char *value)
-	{
-	if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str)
-		{
-		EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR,
-						EVP_R_COMMAND_NOT_SUPPORTED);
-		return -2;
-		}
-	if (!strcmp(name, "digest"))
-		{
-		const EVP_MD *md;
-		if (!value || !(md = EVP_get_digestbyname(value)))
-			{
-			EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR,
-						EVP_R_INVALID_DIGEST);
-			return 0;
-			}
-		return EVP_PKEY_CTX_set_signature_md(ctx, md);
-		}
-	return ctx->pmeth->ctrl_str(ctx, name, value);
-	}
-
-int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
-	{
-	return ctx->operation;
-	}
-
-void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
-	{
-	ctx->keygen_info = dat;
-	ctx->keygen_info_count = datlen;
-	}
-
-void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
-	{
-	ctx->data = data;
-	}
-
-void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx)
-	{
-	return ctx->data;
-	}
-
-EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
-	{
-	return ctx->pkey;
-	}
-
-EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
-	{
-	return ctx->peerkey;
-	}
-	
-void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
-	{
-	ctx->app_data = data;
-	}
-
-void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
-	{
-	return ctx->app_data;
-	}
-
-void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
-	int (*init)(EVP_PKEY_CTX *ctx))
-	{
-	pmeth->init = init;
-	}
-
-void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
-	int (*copy)(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src))
-	{
-	pmeth->copy = copy;
-	}
-
-void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
-	void (*cleanup)(EVP_PKEY_CTX *ctx))
-	{
-	pmeth->cleanup = cleanup;
-	}
-
-void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
-	int (*paramgen_init)(EVP_PKEY_CTX *ctx),
-	int (*paramgen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey))
-	{
-	pmeth->paramgen_init = paramgen_init;
-	pmeth->paramgen = paramgen;
-	}
-
-void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
-	int (*keygen_init)(EVP_PKEY_CTX *ctx),
-	int (*keygen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey))
-	{
-	pmeth->keygen_init = keygen_init;
-	pmeth->keygen = keygen;
-	}
-
-void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
-	int (*sign_init)(EVP_PKEY_CTX *ctx),
-	int (*sign)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
-					const unsigned char *tbs, size_t tbslen))
-	{
-	pmeth->sign_init = sign_init;
-	pmeth->sign = sign;
-	}
-
-void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
-	int (*verify_init)(EVP_PKEY_CTX *ctx),
-	int (*verify)(EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen,
-					const unsigned char *tbs, size_t tbslen))
-	{
-	pmeth->verify_init = verify_init;
-	pmeth->verify = verify;
-	}
-
-void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
-	int (*verify_recover_init)(EVP_PKEY_CTX *ctx),
-	int (*verify_recover)(EVP_PKEY_CTX *ctx,
-					unsigned char *sig, size_t *siglen,
-					const unsigned char *tbs, size_t tbslen))
-	{
-	pmeth->verify_recover_init = verify_recover_init;
-	pmeth->verify_recover = verify_recover;
-	}
-
-void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
-	int (*signctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
-	int (*signctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
-					EVP_MD_CTX *mctx))
-	{
-	pmeth->signctx_init = signctx_init;
-	pmeth->signctx = signctx;
-	}
-
-void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
-	int (*verifyctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
-	int (*verifyctx)(EVP_PKEY_CTX *ctx, const unsigned char *sig,int siglen,
-					EVP_MD_CTX *mctx))
-	{
-	pmeth->verifyctx_init = verifyctx_init;
-	pmeth->verifyctx = verifyctx;
-	}
-
-void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
-	int (*encrypt_init)(EVP_PKEY_CTX *ctx),
-	int (*encryptfn)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
-					const unsigned char *in, size_t inlen))
-	{
-	pmeth->encrypt_init = encrypt_init;
-	pmeth->encrypt = encryptfn;
-	}
-
-void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
-	int (*decrypt_init)(EVP_PKEY_CTX *ctx),
-	int (*decrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
-					const unsigned char *in, size_t inlen))
-	{
-	pmeth->decrypt_init = decrypt_init;
-	pmeth->decrypt = decrypt;
-	}
-
-void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
-	int (*derive_init)(EVP_PKEY_CTX *ctx),
-	int (*derive)(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen))
-	{
-	pmeth->derive_init = derive_init;
-	pmeth->derive = derive;
-	}
-
-void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
-	int (*ctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2),
-	int (*ctrl_str)(EVP_PKEY_CTX *ctx, const char *type, const char *value))
-	{
-	pmeth->ctrl = ctrl;
-	pmeth->ctrl_str = ctrl_str;
-	}