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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/crypto/openssl/providers/common/der/der_rsa_sig.c
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/*

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 * Copyright 2020-2021 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 <openssl/obj_mac.h>

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#include "internal/packet.h"

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#include "prov/der_rsa.h"

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#include "prov/der_digests.h"

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/* Aliases so we can have a uniform MD_with_RSA_CASE */

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#define ossl_der_oid_sha3_224WithRSAEncryption \

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    ossl_der_oid_id_rsassa_pkcs1_v1_5_with_sha3_224

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#define ossl_der_oid_sha3_256WithRSAEncryption \

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    ossl_der_oid_id_rsassa_pkcs1_v1_5_with_sha3_256

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#define ossl_der_oid_sha3_384WithRSAEncryption \

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    ossl_der_oid_id_rsassa_pkcs1_v1_5_with_sha3_384

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#define ossl_der_oid_sha3_512WithRSAEncryption \

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    ossl_der_oid_id_rsassa_pkcs1_v1_5_with_sha3_512

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#define ossl_der_oid_mdc2WithRSAEncryption \

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    ossl_der_oid_mdc2WithRSASignature

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#define MD_with_RSA_CASE(name, var)                                     \

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    case NID_##name:                                                    \

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        var = ossl_der_oid_##name##WithRSAEncryption;                   \

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        var##_sz = sizeof(ossl_der_oid_##name##WithRSAEncryption);      \

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        break;

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int ossl_DER_w_algorithmIdentifier_MDWithRSAEncryption(WPACKET *pkt, int tag,

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                                                       int mdnid)

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{

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    const unsigned char *precompiled = NULL;

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    size_t precompiled_sz = 0;

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    switch (mdnid) {

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#ifndef FIPS_MODULE

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        MD_with_RSA_CASE(md2, precompiled);

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        MD_with_RSA_CASE(md5, precompiled);

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        MD_with_RSA_CASE(md4, precompiled);

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        MD_with_RSA_CASE(ripemd160, precompiled);

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        MD_with_RSA_CASE(mdc2, precompiled);

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#endif

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        MD_with_RSA_CASE(sha1, precompiled);

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        MD_with_RSA_CASE(sha224, precompiled);

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        MD_with_RSA_CASE(sha256, precompiled);

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        MD_with_RSA_CASE(sha384, precompiled);

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        MD_with_RSA_CASE(sha512, precompiled);

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        MD_with_RSA_CASE(sha512_224, precompiled);

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        MD_with_RSA_CASE(sha512_256, precompiled);

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        MD_with_RSA_CASE(sha3_224, precompiled);

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        MD_with_RSA_CASE(sha3_256, precompiled);

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        MD_with_RSA_CASE(sha3_384, precompiled);

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        MD_with_RSA_CASE(sha3_512, precompiled);

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    default:

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        /*

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         * Hash algorithms for which we do not have a valid OID

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         * such as md5sha1 will just fail to provide the der encoding.

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         * That does not prevent producing signatures if OID is not needed.

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         */

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        return -1;

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    }

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    return ossl_DER_w_begin_sequence(pkt, tag)

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        /* PARAMETERS, always NULL according to current standards */

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        && ossl_DER_w_null(pkt, -1)

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        /* OID */

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        && ossl_DER_w_precompiled(pkt, -1, precompiled, precompiled_sz)

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        && ossl_DER_w_end_sequence(pkt, tag);

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}

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