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584 lines
23 KiB
C
584 lines
23 KiB
C
/*
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* Copyright (c) 2021 - 2021 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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References:
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1. GM/T 0010-2012 SM2 Cryptography Message Syntax Specification
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2. RFC 2315 PKCS #7 Cryptographic Message Syntax Version 1.5
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3. RFC 5652 Cryptographic Message Syntax (CMS)
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*/
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#ifndef GMSSL_CMS_H
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#define GMSSL_CMS_H
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#include <string.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include <gmssl/x509.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum {
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CMS_version_v1 = 1,
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};
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/*
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ContentType:
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OID_cms_data
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OID_cms_signed_data
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OID_cms_enveloped_data
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OID_cms_signed_and_enveloped_data
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OID_cms_encrypted_data
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OID_cms_key_agreement_info
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*/
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const char *cms_content_type_name(int oid);
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int cms_content_type_from_name(const char *name);
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int cms_content_type_to_der(int oid, uint8_t **out, size_t *outlen);
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int cms_content_type_from_der(int *oid, const uint8_t **in, size_t *inlen);
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/*
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ContentInfo ::= SEQUENCE {
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contentType OBJECT IDENTIFIER,
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content [0] EXPLICIT ANY OPTIONAL }
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*/
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int cms_content_info_header_to_der(
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int content_type, size_t content_len,
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uint8_t **out, size_t *outlen);
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int cms_content_info_to_der(
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int content_type,
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const uint8_t *content, size_t content_len,
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uint8_t **out, size_t *outlen);
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int cms_content_info_from_der(
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int *content_type,
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const uint8_t **content, size_t *content_len, // 这里获得的是完整的TLV
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const uint8_t **in, size_t *inlen);
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int cms_content_info_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen);
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/*
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Data ::= OCTET STRING
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*/
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#define cms_data_to_der(d,dlen,out,outlen) asn1_octet_string_to_der(d,dlen,out,outlen)
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#define cms_data_from_der(d,dlen,in,inlen) asn1_octet_string_from_der(d,dlen,in,inlen)
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#define cms_data_print(fp,fmt,ind,label,d,dlen) format_bytes(fp,fmt,ind,label,d,dlen)
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/*
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EncryptedContentInfo ::= SEQUENCE {
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contentType OBJECT IDENTIFIER,
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contentEncryptionAlgorithm AlgorithmIdentifier,
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encryptedContent [0] IMPLICIT OCTET STRING OPTIONAL,
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sharedInfo1 [1] IMPLICIT OCTET STRING OPTIONAL,
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sharedInfo2 [2] IMPLICIT OCTET STRING OPTIONAL }
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*/
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int cms_enced_content_info_to_der(
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int content_type,
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int enc_algor, const uint8_t *enc_iv, size_t enc_iv_len,
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const uint8_t *enced_content, size_t enced_content_len,
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const uint8_t *shared_info1, size_t shared_info1_len,
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const uint8_t *shared_info2, size_t shared_info2_len,
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uint8_t **out, size_t *outlen);
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int cms_enced_content_info_from_der(
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int *content_type,
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int *enc_algor, const uint8_t **enc_iv, size_t *enc_iv_len,
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const uint8_t **enced_content, size_t *enced_content_len,
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const uint8_t **shared_info1, size_t *shared_info1_len,
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const uint8_t **shared_info2, size_t *shared_info2_len,
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const uint8_t **in, size_t *inlen);
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int cms_enced_content_info_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen);
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int cms_enced_content_info_encrypt_to_der(
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int enc_algor,
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const uint8_t *key, size_t keylen,
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const uint8_t *iv, size_t ivlen,
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int content_type, const uint8_t *content, size_t content_len,
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const uint8_t *shared_info1, size_t shared_info1_len,
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const uint8_t *shared_info2, size_t shared_info2_len,
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uint8_t **out, size_t *outlen);
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int cms_enced_content_info_decrypt_from_der(
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int *enc_algor,
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const uint8_t *key, size_t keylen,
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int *content_type, uint8_t *content, size_t *content_len,
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const uint8_t **shared_info1, size_t *shared_info1_len,
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const uint8_t **shared_info2, size_t *shared_info2_len,
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const uint8_t **in, size_t *inlen);
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/*
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EncryptedData ::= SEQUENCE {
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version INTEGER (1),
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encryptedContentInfo EncryptedContentInfo }
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*/
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int cms_encrypted_data_to_der(
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int version,
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int content_type,
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int enc_algor, const uint8_t *iv, size_t ivlen,
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const uint8_t *enced_content, size_t enced_content_len,
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const uint8_t *shared_info1, size_t shared_info1_len,
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const uint8_t *shared_info2, size_t shared_info2_len,
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uint8_t **out, size_t *outlen);
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int cms_encrypted_data_from_der(
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int *version,
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int *content_type,
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int *enc_algor, const uint8_t **iv, size_t *ivlen,
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const uint8_t **enced_content, size_t *enced_content_len,
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const uint8_t **shared_info1, size_t *shared_info1_len,
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const uint8_t **shared_info2, size_t *shared_info2_len,
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const uint8_t **in, size_t *inlen);
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int cms_encrypted_data_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen);
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int cms_encrypted_data_encrypt_to_der(
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int enc_algor,
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const uint8_t *key, size_t keylen,
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const uint8_t *iv, size_t ivlen,
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int content_type, const uint8_t *content, size_t content_len,
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const uint8_t *shared_info1, size_t shared_info1_len,
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const uint8_t *shared_info2, size_t shared_info2_len,
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uint8_t **out, size_t *outlen);
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int cms_encrypted_data_decrypt_from_der(
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int *enc_algor,
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const uint8_t *key, size_t keylen,
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int *content_type, uint8_t *content, size_t *content_len,
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const uint8_t **shared_info1, size_t *shared_info1_len,
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const uint8_t **shared_info2, size_t *shared_info2_len,
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const uint8_t **in, size_t *inlen);
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/*
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IssuerAndSerialNumber ::= SEQUENCE {
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isser Name,
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serialNumber INTEGER }
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*/
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int cms_issuer_and_serial_number_to_der(
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const uint8_t *issuer, size_t issuer_len,
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const uint8_t *serial_number, size_t serial_number_len,
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uint8_t **out, size_t *outlen);
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int cms_issuer_and_serial_number_from_der(
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const uint8_t **issuer, size_t *issuer_len,
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const uint8_t **serial_number, size_t *serial_number_len,
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const uint8_t **in, size_t *inlen);
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int cms_issuer_and_serial_number_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen);
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/*
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SignerInfo ::= SEQUENCE {
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version INTEGER (1),
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issuerAndSerialNumber IssuerAndSerialNumber,
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digestAlgorithm AlgorithmIdentifier,
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authenticatedAttributes [0] IMPLICIT SET OF Attribute OPTINOAL,
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digestEncryptionAlgorithm AlgorithmIdentifier,
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encryptedDigest OCTET STRING,
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unauthenticatedAttributes [1] IMPLICIT SET OF Attribute OPTINOAL, }
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*/
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int cms_signer_info_to_der(
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int version,
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const uint8_t *issuer, size_t issuer_len,
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const uint8_t *serial_number, size_t serial_number_len,
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int digest_algor,
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const uint8_t *authed_attrs, size_t authed_attrs_len,
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int signature_algor,
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const uint8_t *enced_digest, size_t enced_digest_len,
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const uint8_t *unauthed_attrs, size_t unauthed_attrs_len,
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uint8_t **out, size_t *outlen);
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int cms_signer_info_from_der(
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int *version,
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const uint8_t **issuer, size_t *issuer_len,
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const uint8_t **serial_number, size_t *serial_number_len,
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int *digest_algor,
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const uint8_t **authed_attrs, size_t *authed_attrs_len,
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int *signature_algor,
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const uint8_t **enced_digest, size_t *enced_digest_len,
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const uint8_t **unauthed_attrs, size_t *unauthed_attrs_len,
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const uint8_t **in, size_t *inlen);
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int cms_signer_info_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen);
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int cms_signer_info_sign_to_der(
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const SM3_CTX *sm3_ctx, const SM2_KEY *sm2_key,
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const uint8_t *issuer, size_t issuer_len,
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const uint8_t *serial_number, size_t serial_number_len,
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const uint8_t *authed_attrs, size_t authed_attrs_len,
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const uint8_t *unauthed_attrs, size_t unauthed_attrs_len,
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uint8_t **out, size_t *outlen);
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int cms_signer_info_verify_from_der(
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const SM3_CTX *sm3_ctx, const uint8_t *certs, size_t certslen,
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const uint8_t **cert, size_t *certlen,
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const uint8_t **issuer, size_t *issuer_len,
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const uint8_t **serial, size_t *serial_len,
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const uint8_t **authed_attrs, size_t *authed_attrs_len,
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const uint8_t **unauthed_attrs, size_t *unauthed_attrs_len,
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const uint8_t **in, size_t *inlen);
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/*
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SignerInfos ::= SET OF SignerInfo;
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*/
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int cms_signer_infos_add_signer_info(
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uint8_t *d, size_t *dlen, size_t maxlen,
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const SM3_CTX *sm3_ctx, const SM2_KEY *sign_key,
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const uint8_t *issuer, size_t issuer_len,
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const uint8_t *serial_number, size_t serial_number_len,
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const uint8_t *authed_attrs, size_t authed_attrs_len,
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const uint8_t *unauthed_attrs, size_t unauthed_attrs_len);
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#define cms_signer_infos_to_der(d,dlen,out,outlen) asn1_set_to_der(d,dlen,out,outlen)
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#define cms_signer_infos_from_der(d,dlen,in,inlen) asn1_set_from_der(d,dlen,in,inlen)
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int cms_signer_infos_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen);
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int cms_digest_algors_to_der(const int *digest_algors, size_t digest_algors_cnt, uint8_t **out, size_t *outlen);
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int cms_digest_algors_from_der(int *digest_algors, size_t *digest_algors_cnt, size_t max_digest_algors,
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const uint8_t **in, size_t *inlen);
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int cms_digest_algors_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen);
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/*
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SignedData ::= SEQUENCE {
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version INTEGER (1),
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digestAlgorithms SET OF AlgorithmIdentifier,
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contentInfo ContentInfo,
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certificates [0] IMPLICIT SET OF Certificate OPTIONAL,
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crls [1] IMPLICIT SET OF CertificateRevocationList OPTIONAL,
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signerInfos SET OF SignerInfo }
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*/
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int cms_signed_data_to_der(
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int version,
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const int *digest_algors, size_t digest_algors_cnt,
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const int content_type, const uint8_t *content, const size_t content_len,
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const uint8_t *certs, size_t certs_len,
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const uint8_t *crls, const size_t crls_len,
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const uint8_t *signer_infos, size_t signer_infos_len,
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uint8_t **out, size_t *outlen);
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int cms_signed_data_from_der(
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int *version,
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int *digest_algors, size_t *digest_algors_cnt, size_t max_digest_algors,
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int *content_type, const uint8_t **content, size_t *content_len,
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const uint8_t **certs, size_t *certs_len,
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const uint8_t **crls, size_t *crls_len,
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const uint8_t **signer_infos, size_t *signer_infos_len,
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const uint8_t **in, size_t *inlen);
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int cms_signed_data_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen);
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typedef struct {
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uint8_t *certs;
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size_t certs_len;
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SM2_KEY *sign_key;
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} CMS_CERTS_AND_KEY;
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int cms_signed_data_sign_to_der(
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const CMS_CERTS_AND_KEY *signers, size_t signers_cnt,
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int content_type, const uint8_t *data, size_t datalen, // 当OID_cms_data时为raw data
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const uint8_t *crls, size_t crls_len, // 可以为空
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uint8_t **out, size_t *outlen);
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int cms_signed_data_verify_from_der(
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const uint8_t *extra_certs, size_t extra_certs_len,
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const uint8_t *extra_crls, size_t extra_crls_len,
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int *content_type, const uint8_t **content, size_t *content_len, // 是否应该返回raw data呢？
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const uint8_t **certs, size_t *certs_len,
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const uint8_t **crls, size_t *crls_len,
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const uint8_t **signer_infos, size_t *signer_infos_len,
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const uint8_t **in, size_t *inlen);
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/*
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RecipientInfo ::= SEQUENCE {
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version INTEGER (1),
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issuerAndSerialNumber IssuerAndSerialNumber,
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keyEncryptionAlgorithm AlgorithmIdentifier,
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encryptedKey OCTET STRING -- DER-encoding of SM2Cipher
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}
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*/
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int cms_recipient_info_to_der(
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int version,
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const uint8_t *issuer, size_t issuer_len,
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const uint8_t *serial_number, size_t serial_number_len,
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int public_key_enc_algor,
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const uint8_t *enced_key, size_t enced_key_len,
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uint8_t **out, size_t *outlen);
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int cms_recipient_info_from_der(
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int *version,
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const uint8_t **issuer, size_t *issuer_len,
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const uint8_t **serial_number, size_t *serial_number_len,
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int *pke_algor, const uint8_t **params, size_t *params_len,// SM2加密只使用SM3，没有默认参数，但是ECIES可能有
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const uint8_t **enced_key, size_t *enced_key_len,
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const uint8_t **in, size_t *inlen);
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int cms_recipient_info_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen);
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int cms_recipient_info_encrypt_to_der(
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const SM2_KEY *public_key,
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const uint8_t *issuer, size_t issuer_len,
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const uint8_t *serial, size_t serial_len,
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const uint8_t *in, size_t inlen,
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uint8_t **out, size_t *outlen);
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int cms_recipient_info_decrypt_from_der(
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const SM2_KEY *sm2_key,
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const uint8_t *rcpt_issuer, size_t rcpt_issuer_len,
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const uint8_t *rcpt_serial, size_t rcpt_serial_len,
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uint8_t *out, size_t *outlen, size_t maxlen,
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const uint8_t **in, size_t *inlen);
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int cms_recipient_infos_add_recipient_info(
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uint8_t *d, size_t *dlen, size_t maxlen,
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const SM2_KEY *public_key,
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const uint8_t *issuer, size_t issuer_len,
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const uint8_t *serial, size_t serial_len,
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const uint8_t *in, size_t inlen);
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#define cms_recipient_infos_to_der(d,dlen,out,outlen) asn1_set_to_der(d,dlen,out,outlen)
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#define cms_recipient_infos_from_der(d,dlen,in,inlen) asn1_set_from_der(d,dlen,in,inlen)
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int cms_recipient_infos_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen);
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/*
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EnvelopedData ::= SEQUENCE {
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version Version,
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recipientInfos SET OF RecipientInfo,
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encryptedContentInfo EncryptedContentInfo }
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*/
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int cms_enveloped_data_to_der(
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int version,
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const uint8_t *rcpt_infos, size_t rcpt_infos_len,
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int content_type,
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int enc_algor, const uint8_t *enc_iv, size_t enc_iv_len,
|
||
const uint8_t *enced_content, size_t enced_content_len,
|
||
const uint8_t *shared_info1, size_t shared_info1_len,
|
||
const uint8_t *shared_info2, size_t shared_info2_len,
|
||
uint8_t **out, size_t *outlen);
|
||
int cms_enveloped_data_from_der(
|
||
int *version,
|
||
const uint8_t **rcpt_infos, size_t *rcpt_infos_len,
|
||
const uint8_t **enced_content_info, size_t *enced_content_info_len,
|
||
const uint8_t **in, size_t *inlen);
|
||
int cms_enveloped_data_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen);
|
||
|
||
int cms_enveloped_data_encrypt_to_der(
|
||
const uint8_t *rcpt_certs, size_t rcpt_certs_len,
|
||
int enc_algor, const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
|
||
int content_type, const uint8_t *content, size_t content_len,
|
||
const uint8_t *shared_info1, size_t shared_info1_len,
|
||
const uint8_t *shared_info2, size_t shared_info2_len,
|
||
uint8_t **out, size_t *outlen);
|
||
int cms_enveloped_data_decrypt_from_der(
|
||
const SM2_KEY *sm2_key,
|
||
const uint8_t *issuer, size_t issuer_len,
|
||
const uint8_t *serial_number, size_t serial_number_len,
|
||
int *content_type, uint8_t *content, size_t *content_len,
|
||
const uint8_t **rcpt_infos, size_t *rcpt_infos_len,
|
||
const uint8_t **shared_info1, size_t *shared_info1_len,
|
||
const uint8_t **shared_info2, size_t *shared_info2_len,
|
||
const uint8_t **in, size_t *inlen);
|
||
|
||
/*
|
||
SignedAndEnvelopedData ::= SEQUENCE {
|
||
version INTEGER (1),
|
||
recipientInfos SET OF RecipientInfo,
|
||
digestAlgorithms SET OF AlgorithmIdentifier,
|
||
encryptedContentInfo EncryptedContentInfo,
|
||
certificates [0] IMPLICIT SET OF Certificate OPTIONAL,
|
||
crls [1] IMPLICIT SET OF CertificateRevocationList OPTIONAL,
|
||
signerInfos SET OF SignerInfo }
|
||
*/
|
||
int cms_signed_and_enveloped_data_to_der(
|
||
int version,
|
||
const uint8_t *rcpt_infos, size_t rcpt_infos_len,
|
||
const int *digest_algors, size_t digest_algors_cnt,
|
||
int content_type,
|
||
int enc_algor, const uint8_t *iv, size_t ivlen,
|
||
const uint8_t *enced_content, size_t enced_content_len,
|
||
const uint8_t *shared_info1, size_t shared_info1_len,
|
||
const uint8_t *shared_info2, size_t shared_info2_len,
|
||
const uint8_t *certs, size_t certs_len,
|
||
const uint8_t *crls, size_t crls_len,
|
||
const uint8_t *signer_infos, size_t signer_infos_len,
|
||
uint8_t **out, size_t *outlen);
|
||
int cms_signed_and_enveloped_data_from_der(
|
||
int *version,
|
||
const uint8_t **rcpt_infos, size_t *rcpt_infos_len,
|
||
int *digest_algors, size_t *digest_algors_cnt, size_t max_digest_algors,
|
||
const uint8_t **enced_content_info, size_t *enced_content_info_len,
|
||
const uint8_t **certs, size_t *certs_len,
|
||
const uint8_t **crls, size_t *crls_len,
|
||
const uint8_t **signer_infos, size_t *signer_infos_len,
|
||
const uint8_t **in, size_t *inlen);
|
||
int cms_signed_and_enveloped_data_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen);
|
||
|
||
int cms_signed_and_enveloped_data_encipher_to_der(
|
||
const CMS_CERTS_AND_KEY *signers, size_t signers_cnt,
|
||
const uint8_t *rcpt_certs, size_t rcpt_certs_len,
|
||
int enc_algor, const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
|
||
int content_type, const uint8_t *content, size_t content_len,
|
||
const uint8_t *signers_crls, size_t signers_crls_len,
|
||
const uint8_t *shared_info1, size_t shared_info1_len,
|
||
const uint8_t *shared_info2, size_t shared_info2_len,
|
||
uint8_t **out, size_t *outlen);
|
||
int cms_signed_and_enveloped_data_decipher_from_der(
|
||
const SM2_KEY *rcpt_key,
|
||
const uint8_t *rcpt_issuer, size_t rcpt_issuer_len,
|
||
const uint8_t *rcpt_serial, size_t rcpt_serial_len,
|
||
int *content_type, uint8_t *content, size_t *content_len,
|
||
const uint8_t **prcpt_infos, size_t *prcpt_infos_len,
|
||
const uint8_t **shared_info1, size_t *shared_info1_len,
|
||
const uint8_t **shared_info2, size_t *shared_info2_len,
|
||
const uint8_t **certs, size_t *certs_len,
|
||
const uint8_t **crls, size_t *crls_len,
|
||
const uint8_t **psigner_infos, size_t *psigner_infos_len,
|
||
const uint8_t *extra_certs, size_t extra_certs_len,
|
||
const uint8_t *extra_crls, size_t extra_crls_len,
|
||
const uint8_t **in, size_t *inlen);
|
||
|
||
/*
|
||
KeyAgreementInfo ::= SEQUENCE {
|
||
version INTEGER (1),
|
||
tempPublicKeyR SM2PublicKey,
|
||
userCertificate Certificate,
|
||
userID OCTET STRING }
|
||
*/
|
||
int cms_key_agreement_info_to_der(
|
||
int version,
|
||
const SM2_KEY *temp_public_key_r,
|
||
const uint8_t *user_cert, size_t user_cert_len,
|
||
const uint8_t *user_id, size_t user_id_len,
|
||
uint8_t **out, size_t *outlen);
|
||
int cms_key_agreement_info_from_der(
|
||
int *version,
|
||
SM2_KEY *temp_public_key_r,
|
||
const uint8_t **user_cert, size_t *user_cert_len,
|
||
const uint8_t **user_id, size_t *user_id_len,
|
||
const uint8_t **in, size_t *inlen);
|
||
int cms_key_agreement_info_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen);
|
||
|
||
|
||
|
||
// 下面是公开API
|
||
// 公开API的设计考虑：
|
||
// 1. 不需要调用其他函数
|
||
// 2. 在逻辑上容易理解
|
||
// 3. 将cms,cmslen看做对象
|
||
|
||
|
||
// 生成ContentInfo, type == data
|
||
int cms_set_data(uint8_t *cms, size_t *cmslen,
|
||
const uint8_t *d, size_t dlen);
|
||
|
||
int cms_encrypt(
|
||
uint8_t *cms, size_t *cmslen, // 输出的ContentInfo (type encryptedData)
|
||
int enc_algor, const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen, // 对称加密算法、密钥和IV
|
||
int content_type, const uint8_t *content, size_t content_len, // 待加密的输入数据
|
||
const uint8_t *shared_info1, size_t shared_info1_len, // 附加信息
|
||
const uint8_t *shared_info2, size_t shared_info2_len);
|
||
|
||
int cms_decrypt(
|
||
const uint8_t *cms, size_t cmslen, // 输入的ContentInfo (type encryptedData)
|
||
int *enc_algor, const uint8_t *key, size_t keylen, // 解密密钥（我们不知道解密算法）
|
||
int *content_type, uint8_t *content, size_t *content_len, // 输出的解密数据类型及数据
|
||
const uint8_t **shared_info1, size_t *shared_info1_len, // 附加信息
|
||
const uint8_t **shared_info2, size_t *shared_info2_len);
|
||
|
||
int cms_sign(
|
||
uint8_t *cms, size_t *cms_len,
|
||
const CMS_CERTS_AND_KEY *signers, size_t signers_cnt, // 签名者的签名私钥和证书
|
||
int content_type, const uint8_t *content, size_t content_len, // 待签名的输入数据
|
||
const uint8_t *crls, size_t crls_len);
|
||
|
||
int cms_verify(
|
||
const uint8_t *cms, size_t cms_len,
|
||
const uint8_t *extra_certs, size_t extra_certs_len,
|
||
const uint8_t *extra_crls, size_t extra_crls_len,
|
||
int *content_type, const uint8_t **content, size_t *content_len,
|
||
const uint8_t **certs, size_t *certs_len,
|
||
const uint8_t **crls, size_t *crls_len,
|
||
const uint8_t **signer_infos, size_t *signer_infos_len);
|
||
|
||
int cms_envelop(
|
||
uint8_t *cms, size_t *cms_len,
|
||
const uint8_t *rcpt_certs, size_t rcpt_certs_len, // 接收方证书，注意这个参数的类型可以容纳多个证书，但是只有在一个接受者时对调用方最方便
|
||
int enc_algor, const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen, // 对称加密算法及参数
|
||
int content_type, const uint8_t *content, size_t content_len, // 待加密的输入数据
|
||
const uint8_t *shared_info1, size_t shared_info1_len, // 附加输入信息
|
||
const uint8_t *shared_info2, size_t shared_info2_len);
|
||
|
||
int cms_deenvelop(
|
||
const uint8_t *cms, size_t cms_len,
|
||
const SM2_KEY *rcpt_key, const uint8_t *rcpt_cert, size_t rcpt_cert_len, // 接收方的解密私钥和对应的证书，注意只需要一个解密方
|
||
int *content_type, uint8_t *content, size_t *content_len,
|
||
const uint8_t **rcpt_infos, size_t *rcpt_infos_len, // 解析得到，用于显示
|
||
const uint8_t **shared_info1, size_t *shared_info1_len,
|
||
const uint8_t **shared_info2, size_t *shared_info2_len);
|
||
|
||
int cms_sign_and_envelop(
|
||
uint8_t *cms, size_t *cms_len,
|
||
const CMS_CERTS_AND_KEY *signers, size_t signers_cnt,
|
||
const uint8_t *rcpt_certs, size_t rcpt_certs_len,
|
||
int enc_algor, const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
|
||
int content_type, const uint8_t *content, size_t content_len,
|
||
const uint8_t *signers_crls, size_t signers_crls_len,
|
||
const uint8_t *shared_info1, size_t shared_info1_len,
|
||
const uint8_t *shared_info2, size_t shared_info2_len);
|
||
|
||
int cms_deenvelop_and_verify(
|
||
const uint8_t *cms, size_t cms_len,
|
||
const SM2_KEY *rcpt_key, const uint8_t *rcpt_cert, size_t rcpt_cert_len,
|
||
const uint8_t *extra_signer_certs, size_t extra_signer_certs_len,
|
||
const uint8_t *extra_signer_crls, size_t extra_signer_crls_len,
|
||
int *content_type, uint8_t *content, size_t *content_len,
|
||
const uint8_t **rcpt_infos, size_t *rcpt_infos_len,
|
||
const uint8_t **signer_infos, size_t *signer_infos_len,
|
||
const uint8_t **signer_certs, size_t *signer_certs_len,
|
||
const uint8_t **signer_crls, size_t *signer_crls_len,
|
||
const uint8_t **shared_info1, size_t *shared_info1_len,
|
||
const uint8_t **shared_info2, size_t *shared_info2_len);
|
||
|
||
// 生成ContentInfo, type == keyAgreementInfo
|
||
int cms_set_key_agreement_info(
|
||
uint8_t *cms, size_t *cms_len,
|
||
const SM2_KEY *temp_public_key_r,
|
||
const uint8_t *user_cert, size_t user_cert_len,
|
||
const uint8_t *user_id, size_t user_id_len);
|
||
|
||
int cms_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *a, size_t alen);
|
||
|
||
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif
|
||
#endif
|