613 lines
18 KiB
C
613 lines
18 KiB
C
/* 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;
|
|
extern const EVP_PKEY_METHOD dhx_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,
|
|
#ifndef OPENSSL_NO_DH
|
|
&dhx_pkey_meth
|
|
#endif
|
|
};
|
|
|
|
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;
|
|
}
|