72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
/*
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* Copyright 2022 The Tongsuo 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://github.com/Tongsuo-Project/Tongsuo/blob/master/LICENSE.txt
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*/
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#include "internal/deprecated.h"
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#include <stdio.h>
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#include <openssl/bn.h>
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#include <openssl/asn1t.h>
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#include <openssl/paillier.h>
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#include "paillier_local.h"
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static int paillier_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
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void *exarg)
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{
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PAILLIER_KEY *key;
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BN_CTX *bn_ctx = NULL;
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if (operation == ASN1_OP_NEW_PRE) {
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*pval = (ASN1_VALUE *)PAILLIER_KEY_new();
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if (*pval != NULL)
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return 2;
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return 0;
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} else if (operation == ASN1_OP_FREE_PRE) {
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PAILLIER_KEY_free((PAILLIER_KEY *)*pval);
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*pval = NULL;
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return 2;
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} else if (operation == ASN1_OP_D2I_POST) {
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key = (PAILLIER_KEY *)*pval;
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if (key->version != PAILLIER_ASN1_VERSION_MULTI) {
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bn_ctx = BN_CTX_new();
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if (bn_ctx == NULL)
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return 0;
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if (!BN_sqr(key->n_square, key->n, bn_ctx)) {
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BN_CTX_free(bn_ctx);
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return 0;
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}
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BN_CTX_free(bn_ctx);
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return 1;
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}
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return (ossl_paillier_multip_calc_product((PAILLIER_KEY *)*pval) == 1) ? 2 : 0;
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}
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return 1;
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}
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ASN1_SEQUENCE_cb(PAILLIER_PrivateKey, paillier_cb) = {
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ASN1_EMBED(PAILLIER_KEY, version, INT32),
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ASN1_SIMPLE(PAILLIER_KEY, n, BIGNUM),
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ASN1_SIMPLE(PAILLIER_KEY, p, CBIGNUM),
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ASN1_SIMPLE(PAILLIER_KEY, q, CBIGNUM),
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ASN1_SIMPLE(PAILLIER_KEY, g, CBIGNUM),
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ASN1_SIMPLE(PAILLIER_KEY, lambda, CBIGNUM),
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ASN1_SIMPLE(PAILLIER_KEY, u, CBIGNUM),
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} static_ASN1_SEQUENCE_END_cb(PAILLIER_KEY, PAILLIER_PrivateKey)
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ASN1_SEQUENCE_cb(PAILLIER_PublicKey, paillier_cb) = {
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ASN1_SIMPLE(PAILLIER_KEY, n, BIGNUM),
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ASN1_SIMPLE(PAILLIER_KEY, g, CBIGNUM),
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} static_ASN1_SEQUENCE_END_cb(PAILLIER_KEY, PAILLIER_PublicKey)
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IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(PAILLIER_KEY, PAILLIER_PrivateKey, PAILLIER_PrivateKey)
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IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(PAILLIER_KEY, PAILLIER_PublicKey, PAILLIER_PublicKey)
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IMPLEMENT_PEM_rw(PAILLIER_PrivateKey, PAILLIER_KEY, PEM_STRING_PAILLIER_PRIVATE_KEY, PAILLIER_PrivateKey)
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IMPLEMENT_PEM_rw(PAILLIER_PublicKey, PAILLIER_KEY, PEM_STRING_PAILLIER_PUBLIC_KEY, PAILLIER_PublicKey)
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