135 lines
2.3 KiB
C
135 lines
2.3 KiB
C
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/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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aes.h
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Abstract:
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This module contains the public data structures and API definitions
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needed to utilize the low-level AES encryption routines
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Author:
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Scott Field (SField) 09-October-2000
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Revision History:
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--*/
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#ifndef __AES_H__
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#define __AES_H__
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#ifndef RSA32API
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#define RSA32API __stdcall
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define AES_ROUNDS_128 (10)
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#define AES_ROUNDS_192 (12)
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#define AES_ROUNDS_256 (14)
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#define AES_MAXROUNDS AES_ROUNDS_256
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typedef struct {
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int rounds; // keytab data ends up padded.
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unsigned char keytabenc[AES_MAXROUNDS+1][4][4];
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unsigned char keytabdec[AES_MAXROUNDS+1][4][4];
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} AESTable;
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typedef struct {
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int rounds; // keytab data ends up padded.
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unsigned char keytabenc[AES_ROUNDS_128+1][4][4];
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unsigned char keytabdec[AES_ROUNDS_128+1][4][4];
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} AESTable_128;
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typedef struct {
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int rounds; // keytab data ends up padded.
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unsigned char keytabenc[AES_ROUNDS_192+1][4][4];
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unsigned char keytabdec[AES_ROUNDS_192+1][4][4];
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} AESTable_192;
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typedef struct {
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int rounds; // keytab data ends up padded.
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unsigned char keytabenc[AES_ROUNDS_256+1][4][4];
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unsigned char keytabdec[AES_ROUNDS_256+1][4][4];
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} AESTable_256;
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#define AES_TABLESIZE (sizeof(AESTable))
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#define AES_TABLESIZE_128 (sizeof(AESTable_128))
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#define AES_TABLESIZE_192 (sizeof(AESTable_192))
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#define AES_TABLESIZE_256 (sizeof(AESTable_256))
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#define AES_BLOCKLEN (16)
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#define AES_KEYSIZE (32)
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#define AES_KEYSIZE_128 (16)
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#define AES_KEYSIZE_192 (24)
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#define AES_KEYSIZE_256 (32)
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void
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RSA32API
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aeskey(
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AESTable *KeyTable,
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BYTE *Key,
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int rounds
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);
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//
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// generic AES crypt function -- caller can pass in keyin corresponding
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// to any valid keysize.
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//
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void
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RSA32API
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aes(
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BYTE *pbOut,
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BYTE *pbIn,
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void *keyin,
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int op
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);
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//
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// AES crypt functions that can be used by a caller that passes in a keyin
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// corresponding to a known keysize.
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//
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void
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RSA32API
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aes128(
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BYTE *pbOut,
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BYTE *pbIn,
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void *keyin,
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int op
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);
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void
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RSA32API
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aes256(
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BYTE *pbOut,
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BYTE *pbIn,
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void *keyin,
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int op
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);
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#ifdef __cplusplus
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}
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#endif
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#endif // __AES_H__
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