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f761b290f1
The sources can be obtained via: https://opensource.apple.com/tarballs/mDNSResponder/mDNSResponder-625.41.2.tar.gz Update #3522.
63 lines
2.1 KiB
C
63 lines
2.1 KiB
C
/* -*- Mode: C; tab-width: 4 -*-
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*
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* Copyright (c) 2011-2012 Apple Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __CRYPTO_ALG_H
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#define __CRYPTO_ALG_H
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typedef enum
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{
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CRYPTO_ALG,
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DIGEST_ALG,
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ENC_ALG,
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} AlgType;
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typedef struct
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{
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void *context;
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AlgType type;
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mDNSu8 alg;
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} AlgContext;
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typedef struct
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{
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mStatus (*Create)(AlgContext *ctx);
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mStatus (*Destroy)(AlgContext *ctx);
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mDNSu32 (*Length)(AlgContext *ctx);
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mStatus (*Add)(AlgContext *ctx, const void *data, mDNSu32 len);
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// Verify the ctx using the key and compare it against signature/siglen
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mStatus (*Verify)(AlgContext *ctx, mDNSu8 *key, mDNSu32 keylen, mDNSu8 *signature, mDNSu32 siglen);
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// Encode the data and return the encoded data
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mDNSu8* (*Encode)(AlgContext *ctx);
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// Return the finalized data in data whose length is len (used by hash algorithms)
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mStatus (*Final)(AlgContext *ctx, void *data, mDNSu32 len);
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} AlgFuncs;
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mDNSexport mStatus DigestAlgInit(mDNSu8 digestType, AlgFuncs *func);
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mDNSexport mStatus CryptoAlgInit(mDNSu8 algType, AlgFuncs *func);
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mDNSexport mStatus EncAlgInit(mDNSu8 algType, AlgFuncs *func);
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extern AlgContext *AlgCreate(AlgType type, mDNSu8 alg);
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extern mStatus AlgDestroy(AlgContext *ctx);
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extern mDNSu32 AlgLength(AlgContext *ctx);
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extern mStatus AlgAdd(AlgContext *ctx, const void *data, mDNSu32 len);
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extern mStatus AlgVerify(AlgContext *ctx, mDNSu8 *key, mDNSu32 keylen, mDNSu8 *signature, mDNSu32 siglen);
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extern mDNSu8* AlgEncode(AlgContext *ctx);
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extern mStatus AlgFinal(AlgContext *ctx, void *data, mDNSu32 len);
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#endif // __CRYPTO_ALG_H
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