70 lines
2.7 KiB
C
70 lines
2.7 KiB
C
/* Copyright (C) RSA Data Security, Inc. created 1990, 1996. This is an
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unpublished work protected as such under copyright law. This work
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contains proprietary, confidential, and trade secret information of
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RSA Data Security, Inc. Use, disclosure or reproduction without the
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express written authorization of RSA Data Security, Inc. is
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prohibited.
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*/
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#ifndef DNSSAFE_AHRSAENC_H
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#define DNSSAFE_AHRSAENC_H 1
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#include "ahchencr.h"
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struct AH_RSAEncryption;
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/* For EncodeBlock, the block to encode is left justified in the
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z.block with length given by z._inputLen. EncodeBlock encodes the block
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in place to fill it out to z.blockLen.
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For DecodeBlock, return the contents in the given ITEM by decoding
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the z.block value which has length given by decryptedLen. This
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procedure must also ensure that the block was encrypted with 8 bytes
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of padding.
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*/
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typedef struct {
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int (*EncodeBlock) PROTO_LIST
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((THIS_ENCRYPT_DECRYPT *, B_Algorithm * /* randomAlgorithm */,
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A_SURRENDER_CTX *));
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int (*DecodeBlock) PROTO_LIST
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((THIS_ENCRYPT_DECRYPT *, ITEM *, unsigned int /* decryptedLen */));
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} AH_RSAEncryptionVTable;
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typedef struct AH_RSAEncryption {
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AHChooseEncryptDecrypt chooseEncryptDecrypt; /* base class */
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struct {
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unsigned char *block;
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unsigned int blockLen;
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} z; /* Zeroized by constructor */
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unsigned int _inputLen; /* Length of data accumulated by Update */
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unsigned int _maxInputLen; /* used during update to check for overflow */
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AH_RSAEncryptionVTable *vTable; /* pure virtual */
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} AH_RSAEncryption;
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void AH_RSAEncryptionConstructor1 PROTO_LIST
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((AH_RSAEncryption *, struct B_AlgorithmInfoType *));
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void AH_RSAEncryptionDestructor PROTO_LIST ((AH_RSAEncryption *));
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int AH_RSAEncryptionGetBlockLen PROTO_LIST
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((THIS_ENCRYPT_DECRYPT *, unsigned int *));
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int AH_RSAEncryptionEncryptInit PROTO_LIST
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((THIS_ENCRYPT_DECRYPT *, B_Key *, B_ALGORITHM_CHOOSER,
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A_SURRENDER_CTX *));
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int AH_RSAEncryptionDecryptInit PROTO_LIST
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((THIS_ENCRYPT_DECRYPT *, B_Key *, B_ALGORITHM_CHOOSER,
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A_SURRENDER_CTX *));
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int AH_RSAEncryptionUpdate PROTO_LIST
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((THIS_ENCRYPT_DECRYPT *, unsigned char *, unsigned int *,
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unsigned int, unsigned char *, unsigned int, B_Algorithm *,
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A_SURRENDER_CTX *));
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int AH_RSAEncryptionEncryptFinal PROTO_LIST
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((THIS_ENCRYPT_DECRYPT *, unsigned char *, unsigned int *,
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unsigned int, B_Algorithm *, A_SURRENDER_CTX *));
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int AH_RSAEncryptionDecryptFinal PROTO_LIST
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((THIS_ENCRYPT_DECRYPT *, unsigned char *, unsigned int *,
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unsigned int, B_Algorithm *, A_SURRENDER_CTX *));
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#endif /* DNSSAFE_AHRSAENC_H */
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