1 /*
2  * Copyright (C) 2013 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 
18 #ifndef ASN1_DECODER_H_
19 #define ASN1_DECODER_H_
20 
21 #include <stdint.h>
22 
23 typedef struct asn1_context asn1_context_t;
24 
25 asn1_context_t* asn1_context_new(uint8_t* buffer, size_t length);
26 void asn1_context_free(asn1_context_t* ctx);
27 asn1_context_t* asn1_constructed_get(asn1_context_t* ctx);
28 bool asn1_constructed_skip_all(asn1_context_t* ctx);
29 int asn1_constructed_type(asn1_context_t* ctx);
30 asn1_context_t* asn1_sequence_get(asn1_context_t* ctx);
31 asn1_context_t* asn1_set_get(asn1_context_t* ctx);
32 bool asn1_sequence_next(asn1_context_t* seq);
33 bool asn1_oid_get(asn1_context_t* ctx, uint8_t** oid, size_t* length);
34 bool asn1_octet_string_get(asn1_context_t* ctx, uint8_t** octet_string, size_t* length);
35 
36 #endif /* ASN1_DECODER_H_ */
37