mirror of
https://github.com/openssl/openssl.git
synced 2024-12-03 05:41:46 +08:00
717 lines
22 KiB
C
717 lines
22 KiB
C
/*
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* Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "internal/cryptlib.h"
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#include <openssl/engine.h>
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#include <openssl/evp.h>
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#include <openssl/x509v3.h>
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#include "internal/asn1_int.h"
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#include "internal/evp_int.h"
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#include "internal/numbers.h"
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typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
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static STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL;
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static const EVP_PKEY_METHOD *standard_methods[] = {
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#ifndef OPENSSL_NO_RSA
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&rsa_pkey_meth,
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#endif
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#ifndef OPENSSL_NO_DH
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&dh_pkey_meth,
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#endif
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#ifndef OPENSSL_NO_DSA
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&dsa_pkey_meth,
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#endif
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#ifndef OPENSSL_NO_EC
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&ec_pkey_meth,
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#endif
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&hmac_pkey_meth,
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#ifndef OPENSSL_NO_CMAC
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&cmac_pkey_meth,
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#endif
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#ifndef OPENSSL_NO_DH
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&dhx_pkey_meth,
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#endif
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&tls1_prf_pkey_meth,
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&hkdf_pkey_meth
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};
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DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
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pmeth);
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static int pmeth_cmp(const EVP_PKEY_METHOD *const *a,
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const EVP_PKEY_METHOD *const *b)
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{
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return ((*a)->pkey_id - (*b)->pkey_id);
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}
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IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
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pmeth);
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const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
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{
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EVP_PKEY_METHOD tmp;
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const EVP_PKEY_METHOD *t = &tmp, **ret;
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tmp.pkey_id = type;
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if (app_pkey_methods) {
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int idx;
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idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
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if (idx >= 0)
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return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
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}
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ret = OBJ_bsearch_pmeth(&t, standard_methods,
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sizeof(standard_methods) /
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sizeof(EVP_PKEY_METHOD *));
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if (!ret || !*ret)
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return NULL;
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return *ret;
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}
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static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id)
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{
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EVP_PKEY_CTX *ret;
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const EVP_PKEY_METHOD *pmeth;
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if (id == -1) {
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if (!pkey || !pkey->ameth)
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return NULL;
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id = pkey->ameth->pkey_id;
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}
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#ifndef OPENSSL_NO_ENGINE
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if (pkey && pkey->engine)
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e = pkey->engine;
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/* Try to find an ENGINE which implements this method */
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if (e) {
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if (!ENGINE_init(e)) {
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EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);
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return NULL;
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}
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} else
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e = ENGINE_get_pkey_meth_engine(id);
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/*
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* If an ENGINE handled this method look it up. Otherwise use internal
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* tables.
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*/
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if (e)
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pmeth = ENGINE_get_pkey_meth(e, id);
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else
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#endif
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pmeth = EVP_PKEY_meth_find(id);
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if (pmeth == NULL) {
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EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
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return NULL;
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}
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ret = OPENSSL_zalloc(sizeof(*ret));
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if (ret == NULL) {
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#ifndef OPENSSL_NO_ENGINE
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ENGINE_finish(e);
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#endif
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EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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ret->engine = e;
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ret->pmeth = pmeth;
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ret->operation = EVP_PKEY_OP_UNDEFINED;
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ret->pkey = pkey;
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if (pkey)
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EVP_PKEY_up_ref(pkey);
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if (pmeth->init) {
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if (pmeth->init(ret) <= 0) {
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EVP_PKEY_CTX_free(ret);
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return NULL;
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}
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}
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return ret;
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}
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EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags)
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{
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EVP_PKEY_METHOD *pmeth;
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pmeth = OPENSSL_zalloc(sizeof(*pmeth));
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if (pmeth == NULL)
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return NULL;
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pmeth->pkey_id = id;
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pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
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return pmeth;
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}
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void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
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const EVP_PKEY_METHOD *meth)
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{
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if (ppkey_id)
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*ppkey_id = meth->pkey_id;
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if (pflags)
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*pflags = meth->flags;
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}
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void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
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{
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dst->init = src->init;
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dst->copy = src->copy;
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dst->cleanup = src->cleanup;
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dst->paramgen_init = src->paramgen_init;
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dst->paramgen = src->paramgen;
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dst->keygen_init = src->keygen_init;
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dst->keygen = src->keygen;
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dst->sign_init = src->sign_init;
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dst->sign = src->sign;
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dst->verify_init = src->verify_init;
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dst->verify = src->verify;
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dst->verify_recover_init = src->verify_recover_init;
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dst->verify_recover = src->verify_recover;
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dst->signctx_init = src->signctx_init;
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dst->signctx = src->signctx;
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dst->verifyctx_init = src->verifyctx_init;
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dst->verifyctx = src->verifyctx;
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dst->encrypt_init = src->encrypt_init;
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dst->encrypt = src->encrypt;
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dst->decrypt_init = src->decrypt_init;
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dst->decrypt = src->decrypt;
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dst->derive_init = src->derive_init;
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dst->derive = src->derive;
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dst->ctrl = src->ctrl;
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dst->ctrl_str = src->ctrl_str;
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}
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void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
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{
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if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
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OPENSSL_free(pmeth);
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}
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EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
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{
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return int_ctx_new(pkey, e, -1);
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}
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EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
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{
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return int_ctx_new(NULL, e, id);
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}
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EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *pctx)
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{
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EVP_PKEY_CTX *rctx;
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if (!pctx->pmeth || !pctx->pmeth->copy)
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return NULL;
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#ifndef OPENSSL_NO_ENGINE
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/* Make sure it's safe to copy a pkey context using an ENGINE */
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if (pctx->engine && !ENGINE_init(pctx->engine)) {
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EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB);
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return 0;
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}
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#endif
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rctx = OPENSSL_malloc(sizeof(*rctx));
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if (rctx == NULL)
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return NULL;
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rctx->pmeth = pctx->pmeth;
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#ifndef OPENSSL_NO_ENGINE
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rctx->engine = pctx->engine;
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#endif
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if (pctx->pkey)
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EVP_PKEY_up_ref(pctx->pkey);
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rctx->pkey = pctx->pkey;
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if (pctx->peerkey)
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EVP_PKEY_up_ref(pctx->peerkey);
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rctx->peerkey = pctx->peerkey;
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rctx->data = NULL;
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rctx->app_data = NULL;
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rctx->operation = pctx->operation;
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if (pctx->pmeth->copy(rctx, pctx) > 0)
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return rctx;
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EVP_PKEY_CTX_free(rctx);
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return NULL;
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}
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int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
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{
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if (app_pkey_methods == NULL) {
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app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
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if (app_pkey_methods == NULL)
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return 0;
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}
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if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth))
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return 0;
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sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
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return 1;
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}
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void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
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{
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if (ctx == NULL)
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return;
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if (ctx->pmeth && ctx->pmeth->cleanup)
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ctx->pmeth->cleanup(ctx);
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EVP_PKEY_free(ctx->pkey);
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EVP_PKEY_free(ctx->peerkey);
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#ifndef OPENSSL_NO_ENGINE
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ENGINE_finish(ctx->engine);
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#endif
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OPENSSL_free(ctx);
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}
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int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
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int cmd, int p1, void *p2)
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{
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int ret;
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if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl) {
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EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
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return -2;
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}
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if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
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return -1;
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if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
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EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
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return -1;
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}
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if ((optype != -1) && !(ctx->operation & optype)) {
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EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
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return -1;
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}
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ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
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if (ret == -2)
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EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
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return ret;
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}
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int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
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const char *name, const char *value)
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{
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if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
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EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
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return -2;
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}
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if (strcmp(name, "digest") == 0) {
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const EVP_MD *md;
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if (value == NULL || (md = EVP_get_digestbyname(value)) == NULL) {
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EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_INVALID_DIGEST);
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return 0;
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}
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return EVP_PKEY_CTX_set_signature_md(ctx, md);
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}
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return ctx->pmeth->ctrl_str(ctx, name, value);
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}
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/* Utility functions to send a string of hex string to a ctrl */
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int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
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{
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size_t len;
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len = strlen(str);
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if (len > INT_MAX)
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return -1;
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return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
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}
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int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
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{
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unsigned char *bin;
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long binlen;
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int rv = -1;
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bin = OPENSSL_hexstr2buf(hex, &binlen);
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if (bin == NULL)
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return 0;
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if (binlen <= INT_MAX)
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rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
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OPENSSL_free(bin);
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return rv;
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}
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int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
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{
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return ctx->operation;
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}
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void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
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{
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ctx->keygen_info = dat;
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ctx->keygen_info_count = datlen;
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}
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void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
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{
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ctx->data = data;
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}
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void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx)
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{
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return ctx->data;
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}
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EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
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{
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return ctx->pkey;
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}
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EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
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{
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return ctx->peerkey;
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}
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void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
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{
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ctx->app_data = data;
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}
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void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
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{
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return ctx->app_data;
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}
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void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
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int (*init) (EVP_PKEY_CTX *ctx))
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{
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pmeth->init = init;
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}
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void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
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int (*copy) (EVP_PKEY_CTX *dst,
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EVP_PKEY_CTX *src))
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{
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pmeth->copy = copy;
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}
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void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
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void (*cleanup) (EVP_PKEY_CTX *ctx))
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{
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pmeth->cleanup = cleanup;
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}
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void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
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int (*paramgen_init) (EVP_PKEY_CTX *ctx),
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int (*paramgen) (EVP_PKEY_CTX *ctx,
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EVP_PKEY *pkey))
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{
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pmeth->paramgen_init = paramgen_init;
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pmeth->paramgen = paramgen;
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}
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void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
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int (*keygen_init) (EVP_PKEY_CTX *ctx),
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int (*keygen) (EVP_PKEY_CTX *ctx,
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EVP_PKEY *pkey))
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{
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pmeth->keygen_init = keygen_init;
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pmeth->keygen = keygen;
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}
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void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
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int (*sign_init) (EVP_PKEY_CTX *ctx),
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int (*sign) (EVP_PKEY_CTX *ctx,
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unsigned char *sig, size_t *siglen,
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const unsigned char *tbs,
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size_t tbslen))
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{
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pmeth->sign_init = sign_init;
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pmeth->sign = sign;
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}
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void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
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int (*verify_init) (EVP_PKEY_CTX *ctx),
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int (*verify) (EVP_PKEY_CTX *ctx,
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const unsigned char *sig,
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size_t siglen,
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const unsigned char *tbs,
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size_t tbslen))
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{
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pmeth->verify_init = verify_init;
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pmeth->verify = verify;
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}
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void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
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int (*verify_recover_init) (EVP_PKEY_CTX
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*ctx),
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int (*verify_recover) (EVP_PKEY_CTX
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*ctx,
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unsigned char
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*sig,
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size_t *siglen,
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const unsigned
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char *tbs,
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size_t tbslen))
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{
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pmeth->verify_recover_init = verify_recover_init;
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pmeth->verify_recover = verify_recover;
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}
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void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
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int (*signctx_init) (EVP_PKEY_CTX *ctx,
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EVP_MD_CTX *mctx),
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int (*signctx) (EVP_PKEY_CTX *ctx,
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unsigned char *sig,
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size_t *siglen,
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EVP_MD_CTX *mctx))
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{
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pmeth->signctx_init = signctx_init;
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pmeth->signctx = signctx;
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}
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void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
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int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
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EVP_MD_CTX *mctx),
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int (*verifyctx) (EVP_PKEY_CTX *ctx,
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const unsigned char *sig,
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int siglen,
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EVP_MD_CTX *mctx))
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{
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pmeth->verifyctx_init = verifyctx_init;
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pmeth->verifyctx = verifyctx;
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}
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void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
|
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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;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_init(EVP_PKEY_METHOD *pmeth,
|
|
int (**pinit) (EVP_PKEY_CTX *ctx))
|
|
{
|
|
*pinit = pmeth->init;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_copy(EVP_PKEY_METHOD *pmeth,
|
|
int (**pcopy) (EVP_PKEY_CTX *dst,
|
|
EVP_PKEY_CTX *src))
|
|
{
|
|
*pcopy = pmeth->copy;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_cleanup(EVP_PKEY_METHOD *pmeth,
|
|
void (**pcleanup) (EVP_PKEY_CTX *ctx))
|
|
{
|
|
*pcleanup = pmeth->cleanup;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_paramgen(EVP_PKEY_METHOD *pmeth,
|
|
int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
|
|
int (**pparamgen) (EVP_PKEY_CTX *ctx,
|
|
EVP_PKEY *pkey))
|
|
{
|
|
if (pparamgen_init)
|
|
*pparamgen_init = pmeth->paramgen_init;
|
|
if (pparamgen)
|
|
*pparamgen = pmeth->paramgen;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_keygen(EVP_PKEY_METHOD *pmeth,
|
|
int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
|
|
int (**pkeygen) (EVP_PKEY_CTX *ctx,
|
|
EVP_PKEY *pkey))
|
|
{
|
|
if (pkeygen_init)
|
|
*pkeygen_init = pmeth->keygen_init;
|
|
if (pkeygen)
|
|
*pkeygen = pmeth->keygen;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_sign(EVP_PKEY_METHOD *pmeth,
|
|
int (**psign_init) (EVP_PKEY_CTX *ctx),
|
|
int (**psign) (EVP_PKEY_CTX *ctx,
|
|
unsigned char *sig, size_t *siglen,
|
|
const unsigned char *tbs,
|
|
size_t tbslen))
|
|
{
|
|
if (psign_init)
|
|
*psign_init = pmeth->sign_init;
|
|
if (psign)
|
|
*psign = pmeth->sign;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_verify(EVP_PKEY_METHOD *pmeth,
|
|
int (**pverify_init) (EVP_PKEY_CTX *ctx),
|
|
int (**pverify) (EVP_PKEY_CTX *ctx,
|
|
const unsigned char *sig,
|
|
size_t siglen,
|
|
const unsigned char *tbs,
|
|
size_t tbslen))
|
|
{
|
|
if (pverify_init)
|
|
*pverify_init = pmeth->verify_init;
|
|
if (pverify)
|
|
*pverify = pmeth->verify;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_verify_recover(EVP_PKEY_METHOD *pmeth,
|
|
int (**pverify_recover_init) (EVP_PKEY_CTX
|
|
*ctx),
|
|
int (**pverify_recover) (EVP_PKEY_CTX
|
|
*ctx,
|
|
unsigned char
|
|
*sig,
|
|
size_t *siglen,
|
|
const unsigned
|
|
char *tbs,
|
|
size_t tbslen))
|
|
{
|
|
if (pverify_recover_init)
|
|
*pverify_recover_init = pmeth->verify_recover_init;
|
|
if (pverify_recover)
|
|
*pverify_recover = pmeth->verify_recover;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_signctx(EVP_PKEY_METHOD *pmeth,
|
|
int (**psignctx_init) (EVP_PKEY_CTX *ctx,
|
|
EVP_MD_CTX *mctx),
|
|
int (**psignctx) (EVP_PKEY_CTX *ctx,
|
|
unsigned char *sig,
|
|
size_t *siglen,
|
|
EVP_MD_CTX *mctx))
|
|
{
|
|
if (psignctx_init)
|
|
*psignctx_init = pmeth->signctx_init;
|
|
if (psignctx)
|
|
*psignctx = pmeth->signctx;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_verifyctx(EVP_PKEY_METHOD *pmeth,
|
|
int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
|
|
EVP_MD_CTX *mctx),
|
|
int (**pverifyctx) (EVP_PKEY_CTX *ctx,
|
|
const unsigned char *sig,
|
|
int siglen,
|
|
EVP_MD_CTX *mctx))
|
|
{
|
|
if (pverifyctx_init)
|
|
*pverifyctx_init = pmeth->verifyctx_init;
|
|
if (pverifyctx)
|
|
*pverifyctx = pmeth->verifyctx;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_encrypt(EVP_PKEY_METHOD *pmeth,
|
|
int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
|
|
int (**pencryptfn) (EVP_PKEY_CTX *ctx,
|
|
unsigned char *out,
|
|
size_t *outlen,
|
|
const unsigned char *in,
|
|
size_t inlen))
|
|
{
|
|
if (pencrypt_init)
|
|
*pencrypt_init = pmeth->encrypt_init;
|
|
if (pencryptfn)
|
|
*pencryptfn = pmeth->encrypt;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_decrypt(EVP_PKEY_METHOD *pmeth,
|
|
int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
|
|
int (**pdecrypt) (EVP_PKEY_CTX *ctx,
|
|
unsigned char *out,
|
|
size_t *outlen,
|
|
const unsigned char *in,
|
|
size_t inlen))
|
|
{
|
|
if (pdecrypt_init)
|
|
*pdecrypt_init = pmeth->decrypt_init;
|
|
if (pdecrypt)
|
|
*pdecrypt = pmeth->decrypt;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_derive(EVP_PKEY_METHOD *pmeth,
|
|
int (**pderive_init) (EVP_PKEY_CTX *ctx),
|
|
int (**pderive) (EVP_PKEY_CTX *ctx,
|
|
unsigned char *key,
|
|
size_t *keylen))
|
|
{
|
|
if (pderive_init)
|
|
*pderive_init = pmeth->derive_init;
|
|
if (pderive)
|
|
*pderive = pmeth->derive;
|
|
}
|
|
|
|
void EVP_PKEY_meth_get_ctrl(EVP_PKEY_METHOD *pmeth,
|
|
int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
|
|
void *p2),
|
|
int (**pctrl_str) (EVP_PKEY_CTX *ctx,
|
|
const char *type,
|
|
const char *value))
|
|
{
|
|
if (pctrl)
|
|
*pctrl = pmeth->ctrl;
|
|
if (pctrl_str)
|
|
*pctrl_str = pmeth->ctrl_str;
|
|
}
|