platform_bootable_recovery/asn1_decoder.h
Kenny Root 7a4adb5268 Add support for ECDSA signatures
This adds support for key version 5 which is an EC key using the NIST
P-256 curve parameters. OTAs may be signed with these keys using the
ECDSA signature algorithm with SHA-256.

Change-Id: Id88672a3deb70681c78d5ea0d739e10f839e4567
2013-10-10 14:19:19 -07:00

36 lines
1.3 KiB
C

/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ASN1_DECODER_H_
#define ASN1_DECODER_H_
#include <stdint.h>
typedef struct asn1_context asn1_context_t;
asn1_context_t* asn1_context_new(uint8_t* buffer, size_t length);
void asn1_context_free(asn1_context_t* ctx);
asn1_context_t* asn1_constructed_get(asn1_context_t* ctx);
bool asn1_constructed_skip_all(asn1_context_t* ctx);
int asn1_constructed_type(asn1_context_t* ctx);
asn1_context_t* asn1_sequence_get(asn1_context_t* ctx);
asn1_context_t* asn1_set_get(asn1_context_t* ctx);
bool asn1_sequence_next(asn1_context_t* seq);
bool asn1_oid_get(asn1_context_t* ctx, uint8_t** oid, size_t* length);
bool asn1_octet_string_get(asn1_context_t* ctx, uint8_t** octet_string, size_t* length);
#endif /* ASN1_DECODER_H_ */