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154 lines
5.8 KiB
C
154 lines
5.8 KiB
C
/* ====================================================================
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* Copyright (c) 2015 - 2016 The GmSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the GmSSL Project.
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* (http://gmssl.org/)"
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*
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* 4. The name "GmSSL Project" must not be used to endorse or promote
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* products derived from this software without prior written
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* permission. For written permission, please contact
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* guanzhi1980@gmail.com.
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*
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* 5. Products derived from this software may not be called "GmSSL"
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* nor may "GmSSL" appear in their names without prior written
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* permission of the GmSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the GmSSL Project
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* (http://gmssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE GmSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*/
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/*
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* Paillier's Cryptosystem
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*/
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#ifndef HEADER_PAILLIER_H
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#define HEADER_PAILLIER_H
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#include <openssl/opensslconf.h>
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#ifndef OPENSSL_NO_PAILLIER
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#include <openssl/bn.h>
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#include <openssl/asn1.h>
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#define PAILLIER_MIN_KEY_BITS 2048
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#define PAILLIER_OP_UNDEF 0
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#define PAILLIER_OP_ADD 1
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#define PAILLIER_OP_SCALAR_MUL 2
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct paillier_st PAILLIER;
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PAILLIER *PAILLIER_new(void);
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void PAILLIER_free(PAILLIER *key);
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int PAILLIER_size(const PAILLIER *key);
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int PAILLIER_security_bits(const PAILLIER *key);
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int PAILLIER_generate_key(PAILLIER *key, int bits/* as RSA N */);
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int PAILLIER_check_key(PAILLIER *key);
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int PAILLIER_encrypt(BIGNUM *out, const BIGNUM *in, PAILLIER *key);
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int PAILLIER_decrypt(BIGNUM *out, const BIGNUM *in, PAILLIER *key);
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int PAILLIER_ciphertext_add(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, PAILLIER *key);
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int PAILLIER_ciphertext_scalar_mul(BIGNUM *r, const BIGNUM *scalar, const BIGNUM *a, PAILLIER *key);
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int PAILLIER_up_ref(PAILLIER *key);
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DECLARE_ASN1_ENCODE_FUNCTIONS_const(PAILLIER, PaillierPrivateKey)
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DECLARE_ASN1_ENCODE_FUNCTIONS_const(PAILLIER, PaillierPublicKey)
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# define EVP_PKEY_CTRL_PAILLIER_KEYGEN_BITS (EVP_PKEY_ALG_CTRL + 1)
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# define EVP_PKEY_CTX_set_paillier_keygen_bits(ctx, nbits) \
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EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_PAILLIER, \
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EVP_PKEY_OP_KEYGEN, \
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EVP_PKEY_CTRL_PAILLIER_KEYGEN_BITS, nbits, NULL)
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# define EVP_PKEY_CTX_get_paillier_keygen_bits(ctx) \
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EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_PAILLIER, \
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EVP_PKEY_OP_KEYGEN, \
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EVP_PKEY_CTRL_PAILLIER_KEYGEN_BITS, -2, NULL)
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/* BEGIN ERROR CODES */
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/*
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* The following lines are auto generated by the script mkerr.pl. Any changes
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* made after this point may be overwritten when the script is next run.
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*/
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int ERR_load_PAILLIER_strings(void);
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/* Error codes for the PAILLIER functions. */
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/* Function codes. */
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# define PAILLIER_F_OLD_PAILLIER_PRIV_DECODE 110
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# define PAILLIER_F_PAILLIER_CHECK_KEY 100
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# define PAILLIER_F_PAILLIER_CIPHERTEXT_ADD 101
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# define PAILLIER_F_PAILLIER_CIPHERTEXT_SCALAR_MUL 102
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# define PAILLIER_F_PAILLIER_DECRYPT 103
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# define PAILLIER_F_PAILLIER_ENCRYPT 104
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# define PAILLIER_F_PAILLIER_GENERATE_KEY 105
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# define PAILLIER_F_PAILLIER_NEW 106
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# define PAILLIER_F_PAILLIER_PLAINTEXT_SIZE 117
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# define PAILLIER_F_PAILLIER_PRIV_DECODE 111
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# define PAILLIER_F_PAILLIER_PRIV_ENCODE 112
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# define PAILLIER_F_PAILLIER_PUB_DECODE 107
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# define PAILLIER_F_PAILLIER_SIZE 118
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# define PAILLIER_F_PKEY_PAILLIER_CTRL 113
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# define PAILLIER_F_PKEY_PAILLIER_CTRL_STR 114
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# define PAILLIER_F_PKEY_PAILLIER_DECRYPT 108
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# define PAILLIER_F_PKEY_PAILLIER_ENCRYPT 109
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# define PAILLIER_F_PKEY_PAILLIER_INIT 115
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# define PAILLIER_F_PKEY_PAILLIER_KEYGEN 116
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/* Reason codes. */
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# define PAILLIER_R_BUFFER_TOO_SMALL 104
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# define PAILLIER_R_DECODE_ERROR 105
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# define PAILLIER_R_GENERATE_PRIME_FAILED 100
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# define PAILLIER_R_INVALID_PLAINTEXT 101
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# define PAILLIER_R_KEY_SIZE_TOO_SMALL 106
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# define PAILLIER_R_MALLOC_FAILED 102
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# define PAILLIER_R_NOT_IMPLEMENTED 103
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# define PAILLIER_R_VALUE_MISSING 107
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# ifdef __cplusplus
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}
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# endif
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# endif
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#endif
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