| 1 | /* DES.H - header file for DESC.C |
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| 2 | */ |
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| 3 | |
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| 4 | #ifndef _DES_H_ |
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| 5 | #define _DES_H_ 1 |
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| 6 | |
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| 7 | #ifdef __cplusplus |
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| 8 | extern "C" { |
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| 9 | #endif |
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| 10 | |
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| 11 | typedef struct { |
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| 12 | UINT4 subkeys[32]; /* subkeys */ |
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| 13 | UINT4 iv[2]; /* initializing vector */ |
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| 14 | UINT4 originalIV[2]; /* for restarting the context */ |
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| 15 | int encrypt; /* encrypt flag */ |
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| 16 | } DES_CBC_CTX; |
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| 17 | |
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| 18 | typedef struct { |
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| 19 | UINT4 subkeys[32]; /* subkeys */ |
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| 20 | UINT4 iv[2]; /* initializing vector */ |
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| 21 | UINT4 inputWhitener[2]; /* input whitener */ |
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| 22 | UINT4 outputWhitener[2]; /* output whitener */ |
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| 23 | UINT4 originalIV[2]; /* for restarting the context */ |
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| 24 | int encrypt; /* encrypt flag */ |
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| 25 | } DESX_CBC_CTX; |
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| 26 | |
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| 27 | typedef struct { |
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| 28 | UINT4 subkeys[3][32]; /* subkeys for three operations */ |
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| 29 | UINT4 iv[2]; /* initializing vector */ |
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| 30 | UINT4 originalIV[2]; /* for restarting the context */ |
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| 31 | int encrypt; /* encrypt flag */ |
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| 32 | } DES3_CBC_CTX; |
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| 33 | |
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| 34 | void DES_CBCInit PROTO_LIST |
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| 35 | ((DES_CBC_CTX *, unsigned char *, unsigned char *, int)); |
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| 36 | int DES_CBCUpdate PROTO_LIST |
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| 37 | ((DES_CBC_CTX *, unsigned char *, unsigned char *, unsigned int)); |
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| 38 | void DES_CBCRestart PROTO_LIST ((DES_CBC_CTX *)); |
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| 39 | |
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| 40 | void DESX_CBCInit PROTO_LIST |
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| 41 | ((DESX_CBC_CTX *, unsigned char *, unsigned char *, int)); |
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| 42 | int DESX_CBCUpdate PROTO_LIST |
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| 43 | ((DESX_CBC_CTX *, unsigned char *, unsigned char *, unsigned int)); |
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| 44 | void DESX_CBCRestart PROTO_LIST ((DESX_CBC_CTX *)); |
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| 45 | |
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| 46 | void DES3_CBCInit PROTO_LIST |
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| 47 | ((DES3_CBC_CTX *, unsigned char *, unsigned char *, int)); |
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| 48 | int DES3_CBCUpdate PROTO_LIST |
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| 49 | ((DES3_CBC_CTX *, unsigned char *, unsigned char *, unsigned int)); |
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| 50 | void DES3_CBCRestart PROTO_LIST ((DES3_CBC_CTX *)); |
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| 51 | |
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| 52 | #ifdef __cplusplus |
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| 53 | } |
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| 54 | #endif |
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| 55 | |
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| 56 | #endif |
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