mirror of
https://github.com/openssl/openssl.git
synced 2024-12-09 05:51:54 +08:00
d2f5321293
Reviewed-by: Paul Dale <pauli@openssl.org> (Merged from https://github.com/openssl/openssl/pull/15319)
689 lines
22 KiB
C
689 lines
22 KiB
C
/*
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* Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (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 <openssl/objects.h>
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#include <openssl/evp.h>
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#include "internal/numbers.h" /* includes SIZE_MAX */
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#include "internal/cryptlib.h"
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#include "internal/provider.h"
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#include "internal/core.h"
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#include "crypto/evp.h"
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#include "evp_local.h"
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static EVP_SIGNATURE *evp_signature_new(OSSL_PROVIDER *prov)
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{
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EVP_SIGNATURE *signature = OPENSSL_zalloc(sizeof(EVP_SIGNATURE));
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if (signature == NULL) {
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ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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signature->lock = CRYPTO_THREAD_lock_new();
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if (signature->lock == NULL) {
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ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
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OPENSSL_free(signature);
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return NULL;
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}
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signature->prov = prov;
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ossl_provider_up_ref(prov);
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signature->refcnt = 1;
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return signature;
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}
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static void *evp_signature_from_algorithm(int name_id,
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const OSSL_ALGORITHM *algodef,
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OSSL_PROVIDER *prov)
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{
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const OSSL_DISPATCH *fns = algodef->implementation;
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EVP_SIGNATURE *signature = NULL;
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int ctxfncnt = 0, signfncnt = 0, verifyfncnt = 0, verifyrecfncnt = 0;
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int digsignfncnt = 0, digverifyfncnt = 0;
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int gparamfncnt = 0, sparamfncnt = 0, gmdparamfncnt = 0, smdparamfncnt = 0;
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if ((signature = evp_signature_new(prov)) == NULL) {
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ERR_raise(ERR_LIB_EVP, ERR_R_MALLOC_FAILURE);
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goto err;
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}
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signature->name_id = name_id;
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if ((signature->type_name = ossl_algorithm_get1_first_name(algodef)) == NULL)
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goto err;
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signature->description = algodef->algorithm_description;
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for (; fns->function_id != 0; fns++) {
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switch (fns->function_id) {
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case OSSL_FUNC_SIGNATURE_NEWCTX:
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if (signature->newctx != NULL)
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break;
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signature->newctx = OSSL_FUNC_signature_newctx(fns);
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ctxfncnt++;
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break;
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case OSSL_FUNC_SIGNATURE_SIGN_INIT:
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if (signature->sign_init != NULL)
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break;
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signature->sign_init = OSSL_FUNC_signature_sign_init(fns);
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signfncnt++;
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break;
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case OSSL_FUNC_SIGNATURE_SIGN:
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if (signature->sign != NULL)
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break;
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signature->sign = OSSL_FUNC_signature_sign(fns);
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signfncnt++;
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break;
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case OSSL_FUNC_SIGNATURE_VERIFY_INIT:
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if (signature->verify_init != NULL)
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break;
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signature->verify_init = OSSL_FUNC_signature_verify_init(fns);
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verifyfncnt++;
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break;
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case OSSL_FUNC_SIGNATURE_VERIFY:
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if (signature->verify != NULL)
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break;
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signature->verify = OSSL_FUNC_signature_verify(fns);
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verifyfncnt++;
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break;
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case OSSL_FUNC_SIGNATURE_VERIFY_RECOVER_INIT:
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if (signature->verify_recover_init != NULL)
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break;
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signature->verify_recover_init
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= OSSL_FUNC_signature_verify_recover_init(fns);
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verifyrecfncnt++;
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break;
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case OSSL_FUNC_SIGNATURE_VERIFY_RECOVER:
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if (signature->verify_recover != NULL)
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break;
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signature->verify_recover
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= OSSL_FUNC_signature_verify_recover(fns);
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verifyrecfncnt++;
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break;
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case OSSL_FUNC_SIGNATURE_DIGEST_SIGN_INIT:
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if (signature->digest_sign_init != NULL)
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break;
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signature->digest_sign_init
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= OSSL_FUNC_signature_digest_sign_init(fns);
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break;
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case OSSL_FUNC_SIGNATURE_DIGEST_SIGN_UPDATE:
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if (signature->digest_sign_update != NULL)
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break;
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signature->digest_sign_update
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= OSSL_FUNC_signature_digest_sign_update(fns);
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digsignfncnt++;
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break;
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case OSSL_FUNC_SIGNATURE_DIGEST_SIGN_FINAL:
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if (signature->digest_sign_final != NULL)
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break;
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signature->digest_sign_final
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= OSSL_FUNC_signature_digest_sign_final(fns);
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digsignfncnt++;
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break;
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case OSSL_FUNC_SIGNATURE_DIGEST_SIGN:
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if (signature->digest_sign != NULL)
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break;
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signature->digest_sign
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= OSSL_FUNC_signature_digest_sign(fns);
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break;
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case OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_INIT:
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if (signature->digest_verify_init != NULL)
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break;
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signature->digest_verify_init
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= OSSL_FUNC_signature_digest_verify_init(fns);
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break;
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case OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_UPDATE:
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if (signature->digest_verify_update != NULL)
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break;
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signature->digest_verify_update
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= OSSL_FUNC_signature_digest_verify_update(fns);
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digverifyfncnt++;
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break;
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case OSSL_FUNC_SIGNATURE_DIGEST_VERIFY_FINAL:
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if (signature->digest_verify_final != NULL)
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break;
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signature->digest_verify_final
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= OSSL_FUNC_signature_digest_verify_final(fns);
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digverifyfncnt++;
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break;
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case OSSL_FUNC_SIGNATURE_DIGEST_VERIFY:
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if (signature->digest_verify != NULL)
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break;
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signature->digest_verify
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= OSSL_FUNC_signature_digest_verify(fns);
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break;
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case OSSL_FUNC_SIGNATURE_FREECTX:
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if (signature->freectx != NULL)
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break;
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signature->freectx = OSSL_FUNC_signature_freectx(fns);
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ctxfncnt++;
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break;
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case OSSL_FUNC_SIGNATURE_DUPCTX:
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if (signature->dupctx != NULL)
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break;
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signature->dupctx = OSSL_FUNC_signature_dupctx(fns);
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break;
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case OSSL_FUNC_SIGNATURE_GET_CTX_PARAMS:
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if (signature->get_ctx_params != NULL)
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break;
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signature->get_ctx_params
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= OSSL_FUNC_signature_get_ctx_params(fns);
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gparamfncnt++;
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break;
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case OSSL_FUNC_SIGNATURE_GETTABLE_CTX_PARAMS:
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if (signature->gettable_ctx_params != NULL)
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break;
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signature->gettable_ctx_params
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= OSSL_FUNC_signature_gettable_ctx_params(fns);
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gparamfncnt++;
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break;
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case OSSL_FUNC_SIGNATURE_SET_CTX_PARAMS:
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if (signature->set_ctx_params != NULL)
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break;
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signature->set_ctx_params
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= OSSL_FUNC_signature_set_ctx_params(fns);
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sparamfncnt++;
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break;
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case OSSL_FUNC_SIGNATURE_SETTABLE_CTX_PARAMS:
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if (signature->settable_ctx_params != NULL)
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break;
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signature->settable_ctx_params
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= OSSL_FUNC_signature_settable_ctx_params(fns);
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sparamfncnt++;
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break;
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case OSSL_FUNC_SIGNATURE_GET_CTX_MD_PARAMS:
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if (signature->get_ctx_md_params != NULL)
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break;
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signature->get_ctx_md_params
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= OSSL_FUNC_signature_get_ctx_md_params(fns);
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gmdparamfncnt++;
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break;
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case OSSL_FUNC_SIGNATURE_GETTABLE_CTX_MD_PARAMS:
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if (signature->gettable_ctx_md_params != NULL)
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break;
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signature->gettable_ctx_md_params
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= OSSL_FUNC_signature_gettable_ctx_md_params(fns);
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gmdparamfncnt++;
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break;
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case OSSL_FUNC_SIGNATURE_SET_CTX_MD_PARAMS:
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if (signature->set_ctx_md_params != NULL)
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break;
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signature->set_ctx_md_params
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= OSSL_FUNC_signature_set_ctx_md_params(fns);
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smdparamfncnt++;
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break;
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case OSSL_FUNC_SIGNATURE_SETTABLE_CTX_MD_PARAMS:
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if (signature->settable_ctx_md_params != NULL)
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break;
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signature->settable_ctx_md_params
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= OSSL_FUNC_signature_settable_ctx_md_params(fns);
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smdparamfncnt++;
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break;
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}
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}
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if (ctxfncnt != 2
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|| (signfncnt == 0
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&& verifyfncnt == 0
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&& verifyrecfncnt == 0
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&& digsignfncnt == 0
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&& digverifyfncnt == 0
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&& signature->digest_sign == NULL
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&& signature->digest_verify == NULL)
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|| (signfncnt != 0 && signfncnt != 2)
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|| (verifyfncnt != 0 && verifyfncnt != 2)
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|| (verifyrecfncnt != 0 && verifyrecfncnt != 2)
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|| (digsignfncnt != 0 && digsignfncnt != 2)
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|| (digsignfncnt == 2 && signature->digest_sign_init == NULL)
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|| (digverifyfncnt != 0 && digverifyfncnt != 2)
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|| (digverifyfncnt == 2 && signature->digest_verify_init == NULL)
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|| (signature->digest_sign != NULL
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&& signature->digest_sign_init == NULL)
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|| (signature->digest_verify != NULL
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&& signature->digest_verify_init == NULL)
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|| (gparamfncnt != 0 && gparamfncnt != 2)
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|| (sparamfncnt != 0 && sparamfncnt != 2)
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|| (gmdparamfncnt != 0 && gmdparamfncnt != 2)
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|| (smdparamfncnt != 0 && smdparamfncnt != 2)) {
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/*
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* In order to be a consistent set of functions we must have at least
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* a set of context functions (newctx and freectx) as well as a set of
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* "signature" functions:
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* (sign_init, sign) or
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* (verify_init verify) or
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* (verify_recover_init, verify_recover) or
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* (digest_sign_init, digest_sign_update, digest_sign_final) or
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* (digest_verify_init, digest_verify_update, digest_verify_final) or
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* (digest_sign_init, digest_sign) or
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* (digest_verify_init, digest_verify).
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*
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* set_ctx_params and settable_ctx_params are optional, but if one of
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* them is present then the other one must also be present. The same
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* applies to get_ctx_params and gettable_ctx_params. The same rules
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* apply to the "md_params" functions. The dupctx function is optional.
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*/
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ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_PROVIDER_FUNCTIONS);
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goto err;
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}
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return signature;
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err:
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EVP_SIGNATURE_free(signature);
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return NULL;
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}
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void EVP_SIGNATURE_free(EVP_SIGNATURE *signature)
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{
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int i;
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if (signature == NULL)
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return;
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CRYPTO_DOWN_REF(&signature->refcnt, &i, signature->lock);
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if (i > 0)
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return;
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OPENSSL_free(signature->type_name);
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ossl_provider_free(signature->prov);
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CRYPTO_THREAD_lock_free(signature->lock);
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OPENSSL_free(signature);
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}
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int EVP_SIGNATURE_up_ref(EVP_SIGNATURE *signature)
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{
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int ref = 0;
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CRYPTO_UP_REF(&signature->refcnt, &ref, signature->lock);
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return 1;
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}
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OSSL_PROVIDER *EVP_SIGNATURE_provider(const EVP_SIGNATURE *signature)
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{
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return signature->prov;
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}
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EVP_SIGNATURE *EVP_SIGNATURE_fetch(OSSL_LIB_CTX *ctx, const char *algorithm,
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const char *properties)
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{
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return evp_generic_fetch(ctx, OSSL_OP_SIGNATURE, algorithm, properties,
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evp_signature_from_algorithm,
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(int (*)(void *))EVP_SIGNATURE_up_ref,
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(void (*)(void *))EVP_SIGNATURE_free);
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}
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int EVP_SIGNATURE_is_a(const EVP_SIGNATURE *signature, const char *name)
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{
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return evp_is_a(signature->prov, signature->name_id, NULL, name);
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}
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int EVP_SIGNATURE_number(const EVP_SIGNATURE *signature)
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{
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return signature->name_id;
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}
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const char *EVP_SIGNATURE_name(const EVP_SIGNATURE *signature)
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{
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return signature->type_name;
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}
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const char *EVP_SIGNATURE_description(const EVP_SIGNATURE *signature)
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{
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return signature->description;
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}
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void EVP_SIGNATURE_do_all_provided(OSSL_LIB_CTX *libctx,
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void (*fn)(EVP_SIGNATURE *signature,
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void *arg),
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void *arg)
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{
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evp_generic_do_all(libctx, OSSL_OP_SIGNATURE,
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(void (*)(void *, void *))fn, arg,
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evp_signature_from_algorithm,
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(void (*)(void *))EVP_SIGNATURE_free);
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}
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int EVP_SIGNATURE_names_do_all(const EVP_SIGNATURE *signature,
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void (*fn)(const char *name, void *data),
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void *data)
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{
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if (signature->prov != NULL)
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return evp_names_do_all(signature->prov, signature->name_id, fn, data);
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return 1;
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}
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const OSSL_PARAM *EVP_SIGNATURE_gettable_ctx_params(const EVP_SIGNATURE *sig)
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{
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void *provctx;
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if (sig == NULL || sig->gettable_ctx_params == NULL)
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return NULL;
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provctx = ossl_provider_ctx(EVP_SIGNATURE_provider(sig));
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return sig->gettable_ctx_params(NULL, provctx);
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}
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const OSSL_PARAM *EVP_SIGNATURE_settable_ctx_params(const EVP_SIGNATURE *sig)
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{
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void *provctx;
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if (sig == NULL || sig->settable_ctx_params == NULL)
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return NULL;
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provctx = ossl_provider_ctx(EVP_SIGNATURE_provider(sig));
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return sig->settable_ctx_params(NULL, provctx);
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}
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static int evp_pkey_signature_init(EVP_PKEY_CTX *ctx, int operation,
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const OSSL_PARAM params[])
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{
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int ret = 0;
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void *provkey = NULL;
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EVP_SIGNATURE *signature = NULL;
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EVP_KEYMGMT *tmp_keymgmt = NULL;
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const char *supported_sig = NULL;
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if (ctx == NULL) {
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ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
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return -2;
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}
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evp_pkey_ctx_free_old_ops(ctx);
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ctx->operation = operation;
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/*
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* TODO when we stop falling back to legacy, this and the ERR_pop_to_mark()
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* calls can be removed.
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*/
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ERR_set_mark();
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if (evp_pkey_ctx_is_legacy(ctx))
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goto legacy;
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/*
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* Ensure that the key is provided, either natively, or as a cached export.
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* If not, go legacy
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*/
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tmp_keymgmt = ctx->keymgmt;
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provkey = evp_pkey_export_to_provider(ctx->pkey, ctx->libctx,
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&tmp_keymgmt, ctx->propquery);
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if (tmp_keymgmt == NULL)
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goto legacy;
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if (!EVP_KEYMGMT_up_ref(tmp_keymgmt)) {
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ERR_clear_last_mark();
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ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR);
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goto err;
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}
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EVP_KEYMGMT_free(ctx->keymgmt);
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ctx->keymgmt = tmp_keymgmt;
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if (ctx->keymgmt->query_operation_name != NULL)
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supported_sig = ctx->keymgmt->query_operation_name(OSSL_OP_SIGNATURE);
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/*
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* If we didn't get a supported sig, assume there is one with the
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* same name as the key type.
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*/
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if (supported_sig == NULL)
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supported_sig = ctx->keytype;
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/*
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* Because we cleared out old ops, we shouldn't need to worry about
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* checking if signature is already there.
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*/
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signature =
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EVP_SIGNATURE_fetch(ctx->libctx, supported_sig, ctx->propquery);
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if (signature == NULL
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|| (EVP_KEYMGMT_provider(ctx->keymgmt)
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!= EVP_SIGNATURE_provider(signature))) {
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/*
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* We don't need to free ctx->keymgmt here, as it's not necessarily
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* tied to this operation. It will be freed by EVP_PKEY_CTX_free().
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*/
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EVP_SIGNATURE_free(signature);
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goto legacy;
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}
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/*
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* TODO remove this when legacy is gone
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* If we don't have the full support we need with provided methods,
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* let's go see if legacy does.
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*/
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ERR_pop_to_mark();
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/* No more legacy from here down to legacy: */
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ctx->op.sig.signature = signature;
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ctx->op.sig.sigprovctx =
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signature->newctx(ossl_provider_ctx(signature->prov), ctx->propquery);
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if (ctx->op.sig.sigprovctx == NULL) {
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/* The provider key can stay in the cache */
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ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR);
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goto err;
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}
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switch (operation) {
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case EVP_PKEY_OP_SIGN:
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if (signature->sign_init == NULL) {
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ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
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ret = -2;
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goto err;
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}
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ret = signature->sign_init(ctx->op.sig.sigprovctx, provkey, params);
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break;
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case EVP_PKEY_OP_VERIFY:
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if (signature->verify_init == NULL) {
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|
ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
ret = -2;
|
|
goto err;
|
|
}
|
|
ret = signature->verify_init(ctx->op.sig.sigprovctx, provkey, params);
|
|
break;
|
|
case EVP_PKEY_OP_VERIFYRECOVER:
|
|
if (signature->verify_recover_init == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
ret = -2;
|
|
goto err;
|
|
}
|
|
ret = signature->verify_recover_init(ctx->op.sig.sigprovctx, provkey,
|
|
params);
|
|
break;
|
|
default:
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR);
|
|
goto err;
|
|
}
|
|
|
|
if (ret <= 0) {
|
|
signature->freectx(ctx->op.sig.sigprovctx);
|
|
ctx->op.sig.sigprovctx = NULL;
|
|
goto err;
|
|
}
|
|
goto end;
|
|
|
|
legacy:
|
|
/*
|
|
* TODO remove this when legacy is gone
|
|
* If we don't have the full support we need with provided methods,
|
|
* let's go see if legacy does.
|
|
*/
|
|
ERR_pop_to_mark();
|
|
|
|
if (ctx->pmeth == NULL
|
|
|| (operation == EVP_PKEY_OP_SIGN && ctx->pmeth->sign == NULL)
|
|
|| (operation == EVP_PKEY_OP_VERIFY && ctx->pmeth->verify == NULL)
|
|
|| (operation == EVP_PKEY_OP_VERIFYRECOVER
|
|
&& ctx->pmeth->verify_recover == NULL)) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
return -2;
|
|
}
|
|
|
|
switch (operation) {
|
|
case EVP_PKEY_OP_SIGN:
|
|
if (ctx->pmeth->sign_init == NULL)
|
|
return 1;
|
|
ret = ctx->pmeth->sign_init(ctx);
|
|
break;
|
|
case EVP_PKEY_OP_VERIFY:
|
|
if (ctx->pmeth->verify_init == NULL)
|
|
return 1;
|
|
ret = ctx->pmeth->verify_init(ctx);
|
|
break;
|
|
case EVP_PKEY_OP_VERIFYRECOVER:
|
|
if (ctx->pmeth->verify_recover_init == NULL)
|
|
return 1;
|
|
ret = ctx->pmeth->verify_recover_init(ctx);
|
|
break;
|
|
default:
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR);
|
|
goto err;
|
|
}
|
|
if (ret <= 0)
|
|
goto err;
|
|
end:
|
|
#ifndef FIPS_MODULE
|
|
if (ret > 0)
|
|
ret = evp_pkey_ctx_use_cached_data(ctx);
|
|
#endif
|
|
|
|
return ret;
|
|
err:
|
|
evp_pkey_ctx_free_old_ops(ctx);
|
|
ctx->operation = EVP_PKEY_OP_UNDEFINED;
|
|
return ret;
|
|
}
|
|
|
|
int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx)
|
|
{
|
|
return evp_pkey_signature_init(ctx, EVP_PKEY_OP_SIGN, NULL);
|
|
}
|
|
|
|
int EVP_PKEY_sign_init_ex(EVP_PKEY_CTX *ctx, const OSSL_PARAM params[])
|
|
{
|
|
return evp_pkey_signature_init(ctx, EVP_PKEY_OP_SIGN, params);
|
|
}
|
|
|
|
int EVP_PKEY_sign(EVP_PKEY_CTX *ctx,
|
|
unsigned char *sig, size_t *siglen,
|
|
const unsigned char *tbs, size_t tbslen)
|
|
{
|
|
int ret;
|
|
|
|
if (ctx == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
return -2;
|
|
}
|
|
|
|
if (ctx->operation != EVP_PKEY_OP_SIGN) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_INITIALIZED);
|
|
return -1;
|
|
}
|
|
|
|
if (ctx->op.sig.sigprovctx == NULL)
|
|
goto legacy;
|
|
|
|
ret = ctx->op.sig.signature->sign(ctx->op.sig.sigprovctx, sig, siglen,
|
|
SIZE_MAX, tbs, tbslen);
|
|
|
|
return ret;
|
|
legacy:
|
|
|
|
if (ctx->pmeth == NULL || ctx->pmeth->sign == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
return -2;
|
|
}
|
|
|
|
M_check_autoarg(ctx, sig, siglen, EVP_F_EVP_PKEY_SIGN)
|
|
return ctx->pmeth->sign(ctx, sig, siglen, tbs, tbslen);
|
|
}
|
|
|
|
int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx)
|
|
{
|
|
return evp_pkey_signature_init(ctx, EVP_PKEY_OP_VERIFY, NULL);
|
|
}
|
|
|
|
int EVP_PKEY_verify_init_ex(EVP_PKEY_CTX *ctx, const OSSL_PARAM params[])
|
|
{
|
|
return evp_pkey_signature_init(ctx, EVP_PKEY_OP_VERIFY, params);
|
|
}
|
|
|
|
int EVP_PKEY_verify(EVP_PKEY_CTX *ctx,
|
|
const unsigned char *sig, size_t siglen,
|
|
const unsigned char *tbs, size_t tbslen)
|
|
{
|
|
int ret;
|
|
|
|
if (ctx == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
return -2;
|
|
}
|
|
|
|
if (ctx->operation != EVP_PKEY_OP_VERIFY) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_INITIALIZED);
|
|
return -1;
|
|
}
|
|
|
|
if (ctx->op.sig.sigprovctx == NULL)
|
|
goto legacy;
|
|
|
|
ret = ctx->op.sig.signature->verify(ctx->op.sig.sigprovctx, sig, siglen,
|
|
tbs, tbslen);
|
|
|
|
return ret;
|
|
legacy:
|
|
if (ctx->pmeth == NULL || ctx->pmeth->verify == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
return -2;
|
|
}
|
|
|
|
return ctx->pmeth->verify(ctx, sig, siglen, tbs, tbslen);
|
|
}
|
|
|
|
int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx)
|
|
{
|
|
return evp_pkey_signature_init(ctx, EVP_PKEY_OP_VERIFYRECOVER, NULL);
|
|
}
|
|
|
|
int EVP_PKEY_verify_recover_init_ex(EVP_PKEY_CTX *ctx,
|
|
const OSSL_PARAM params[])
|
|
{
|
|
return evp_pkey_signature_init(ctx, EVP_PKEY_OP_VERIFYRECOVER, params);
|
|
}
|
|
|
|
int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx,
|
|
unsigned char *rout, size_t *routlen,
|
|
const unsigned char *sig, size_t siglen)
|
|
{
|
|
int ret;
|
|
|
|
if (ctx == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
return -2;
|
|
}
|
|
|
|
if (ctx->operation != EVP_PKEY_OP_VERIFYRECOVER) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_INITIALIZED);
|
|
return -1;
|
|
}
|
|
|
|
if (ctx->op.sig.sigprovctx == NULL)
|
|
goto legacy;
|
|
|
|
ret = ctx->op.sig.signature->verify_recover(ctx->op.sig.sigprovctx, rout,
|
|
routlen,
|
|
(rout == NULL ? 0 : *routlen),
|
|
sig, siglen);
|
|
return ret;
|
|
legacy:
|
|
if (ctx->pmeth == NULL || ctx->pmeth->verify_recover == NULL) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
return -2;
|
|
}
|
|
M_check_autoarg(ctx, rout, routlen, EVP_F_EVP_PKEY_VERIFY_RECOVER)
|
|
return ctx->pmeth->verify_recover(ctx, rout, routlen, sig, siglen);
|
|
}
|