X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fevp%2Fpmeth_lib.c;h=fd83570b1d763fb40b894e4c952418960dbfc1f5;hp=d54dd4e966053d500197b79d9ed39e27d25f459b;hb=42a3008aa406429394ff2ae03114d0ac47214e0a;hpb=3ba0885a3e0d52c6bef91ce9bea26cd3eabd3594 diff --git a/crypto/evp/pmeth_lib.c b/crypto/evp/pmeth_lib.c index d54dd4e966..fd83570b1d 100644 --- a/crypto/evp/pmeth_lib.c +++ b/crypto/evp/pmeth_lib.c @@ -1,232 +1,740 @@ -/* pmeth_lib.c */ -/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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). +/* + * Copyright 2006-2017 The OpenSSL Project Authors. All Rights Reserved. * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ #include #include -#include -#include "cryptlib.h" +#include "internal/cryptlib.h" +#include #include -#include "asn1_locl.h" -#include "evp_locl.h" - -STACK *app_pkey_methods = NULL; - -extern EVP_PKEY_METHOD rsa_pkey_meth, dh_pkey_meth, dsa_pkey_meth; - -static const EVP_PKEY_METHOD *standard_methods[] = - { - &rsa_pkey_meth, - &dh_pkey_meth, - &dsa_pkey_meth - }; - -static int pmeth_cmp(const EVP_PKEY_METHOD * const *a, - const EVP_PKEY_METHOD * const *b) - { - return ((*a)->pkey_id - (*b)->pkey_id); - } - -const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type, ENGINE *e) - { - EVP_PKEY_METHOD tmp, *t = &tmp, **ret; - tmp.pkey_id = type; - if (app_pkey_methods) - { - int idx; - idx = sk_find(app_pkey_methods, (char *)&tmp); - if (idx >= 0) - return (EVP_PKEY_METHOD *) - sk_value(app_pkey_methods, idx); - } - ret = (EVP_PKEY_METHOD **) OBJ_bsearch((char *)&t, - (char *)standard_methods, - sizeof(standard_methods)/sizeof(EVP_PKEY_METHOD *), - sizeof(EVP_PKEY_METHOD *), - (int (*)(const void *, const void *))pmeth_cmp); - if (!ret || !*ret) - return NULL; - return *ret; - } +#include +#include "internal/asn1_int.h" +#include "internal/evp_int.h" +#include "internal/numbers.h" + +typedef int sk_cmp_fn_type(const char *const *a, const char *const *b); + +static STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL; + +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, +#ifndef OPENSSL_NO_CMAC + &cmac_pkey_meth, +#endif +#ifndef OPENSSL_NO_RSA + &rsa_pss_pkey_meth, +#endif +#ifndef OPENSSL_NO_DH + &dhx_pkey_meth, +#endif + &tls1_prf_pkey_meth, +#ifndef OPENSSL_NO_EC + &ecx25519_pkey_meth, +#endif + &hkdf_pkey_meth, +#ifndef OPENSSL_NO_POLY1305 + &poly1305_pkey_meth, +#endif +#ifndef OPENSSL_NO_SIPHASH + &siphash_pkey_meth, +#endif +#ifndef OPENSSL_NO_EC + &ed25519_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; - } - pmeth = EVP_PKEY_meth_find(id, e); - if (pmeth == NULL) - return NULL; - ret = OPENSSL_malloc(sizeof(EVP_PKEY_CTX)); - ret->pmeth = pmeth; - ret->operation = EVP_PKEY_OP_UNDEFINED; - ret->pkey = pkey; - 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_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. Otherwise 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_zalloc(sizeof(*ret)); + if (ret == NULL) { +#ifndef OPENSSL_NO_ENGINE + 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; + if (pkey) + EVP_PKEY_up_ref(pkey); + + if (pmeth->init) { + if (pmeth->init(ret) <= 0) { + ret->pmeth = NULL; + 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_zalloc(sizeof(*pmeth)); + if (pmeth == NULL) + return NULL; + + pmeth->pkey_id = id; + pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC; + 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); - } +{ + 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); - } +{ + 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(*rctx)); + if (rctx == NULL) + return NULL; + + rctx->pmeth = pctx->pmeth; +#ifndef OPENSSL_NO_ENGINE + rctx->engine = pctx->engine; +#endif + + if (pctx->pkey) + EVP_PKEY_up_ref(pctx->pkey); + + rctx->pkey = pctx->pkey; + + if (pctx->peerkey) + EVP_PKEY_up_ref(pctx->peerkey); + + rctx->peerkey = pctx->peerkey; + + rctx->data = NULL; + rctx->app_data = NULL; + rctx->operation = pctx->operation; + + if (pctx->pmeth->copy(rctx, pctx) > 0) + return rctx; + + rctx->pmeth = NULL; + 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 == NULL) + 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->pmeth && ctx->pmeth->cleanup) - ctx->pmeth->cleanup(ctx); - if (ctx->pkey) - EVP_PKEY_free(ctx->pkey); - OPENSSL_free(ctx); - } +{ + if (ctx == NULL) + return; + if (ctx->pmeth && ctx->pmeth->cleanup) + ctx->pmeth->cleanup(ctx); + EVP_PKEY_free(ctx->pkey); + EVP_PKEY_free(ctx->peerkey); +#ifndef OPENSSL_NO_ENGINE + 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 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); - } + 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") == 0) + return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD, + value); + return ctx->pmeth->ctrl_str(ctx, name, value); +} + +/* Utility functions to send a string of hex string to a ctrl */ + +int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str) +{ + size_t len; + + len = strlen(str); + if (len > INT_MAX) + return -1; + return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str); +} + +int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex) +{ + unsigned char *bin; + long binlen; + int rv = -1; + + bin = OPENSSL_hexstr2buf(hex, &binlen); + if (bin == NULL) + return 0; + if (binlen <= INT_MAX) + rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin); + OPENSSL_free(bin); + return rv; +} + +/* Pass a message digest to a ctrl */ +int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md) +{ + const EVP_MD *m; + + if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) { + EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST); + return 0; + } + return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m); +} + +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; - } +{ + ctx->data = data; +} void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx) - { - return ctx->data; - } +{ + 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; - } +{ + ctx->app_data = data; +} void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx) - { - return ctx->app_data; - } +{ + 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; +} + +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; +}