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 23typedef struct asn1_context asn1_context_t; 24 25asn1_context_t* asn1_context_new(uint8_t* buffer, size_t length); 26void asn1_context_free(asn1_context_t* ctx); 27asn1_context_t* asn1_constructed_get(asn1_context_t* ctx); 28bool asn1_constructed_skip_all(asn1_context_t* ctx); 29int asn1_constructed_type(asn1_context_t* ctx); 30asn1_context_t* asn1_sequence_get(asn1_context_t* ctx); 31asn1_context_t* asn1_set_get(asn1_context_t* ctx); 32bool asn1_sequence_next(asn1_context_t* seq); 33bool asn1_oid_get(asn1_context_t* ctx, uint8_t** oid, size_t* length); 34bool asn1_octet_string_get(asn1_context_t* ctx, uint8_t** octet_string, size_t* length); 35 36#endif /* ASN1_DECODER_H_ */ 37