/* * Copyright (c) 2005-2016 Apple Inc. All Rights Reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * DER_Digest.h - DER encode a DigestInfo * */ #ifndef _DER_DIGEST_H_ #define _DER_DIGEST_H_ #include <libDER/libDER.h> __BEGIN_DECLS /* * Create an encoded DigestInfo based on the specified SHA1 digest. * The incoming digest must be 20 bytes long. * * Result is placed in caller's buffer, which must be at least of * length DER_SHA1_DIGEST_INFO_LEN bytes. * * The *resultLen parameter is the available size in the result * buffer on input, and the actual length of the encoded DigestInfo * on output. */ #define DER_SHA1_DIGEST_LEN 20 #define DER_SHA1_DIGEST_INFO_LEN 35 DERReturn DEREncodeSHA1DigestInfo( const DERByte *sha1Digest, DERSize sha1DigestLen, DERByte *result, /* encoded result RETURNED here */ DERSize *resultLen); /* IN/OUT */ #define DER_SHA256_DIGEST_LEN 32 #define DER_SHA256_DIGEST_INFO_LEN 51 DERReturn DEREncodeSHA256DigestInfo( const DERByte *sha256Digest, DERSize sha256DigestLen, DERByte *result, /* encoded result RETURNED here */ DERSize *resultLen); /* IN/OUT */ /* * Likewise, create an encoded DIgestInfo for specified MD5 or MD2 digest. */ #define DER_MD_DIGEST_LEN 16 #define DER_MD_DIGEST_INFO_LEN 34 typedef enum { WD_MD2 = 1, WD_MD5 = 2 } WhichDigest; DERReturn DEREncodeMDDigestInfo( WhichDigest whichDigest, const DERByte *mdDigest, DERSize mdDigestLen, DERByte *result, /* encoded result RETURNED here */ DERSize *resultLen); /* IN/OUT */ /* max sizes you'll need in the general cases */ #define DER_MAX_DIGEST_LEN DER_SHA256_DIGEST_LEN #define DER_MAX_ENCODED_INFO_LEN DER_SHA256_DIGEST_INFO_LEN __END_DECLS #endif /* _DER_DIGEST_H_ */