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34 lines
1.2 KiB
C
34 lines
1.2 KiB
C
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#ifndef _SB_CRYPT_H
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#define _SB_CRYPT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct _GOACryptState
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{
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unsigned char cards[256]; // A permutation of 0-255.
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unsigned char rotor; // Index that rotates smoothly
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unsigned char ratchet; // Index that moves erratically
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unsigned char avalanche; // Index heavily data dependent
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unsigned char last_plain; // Last plain text byte
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unsigned char last_cipher; // Last cipher text byte
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} GOACryptState;
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void GOACryptInit(GOACryptState *state, unsigned char *key, unsigned char keysize);
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void GOAHashInit(GOACryptState *state);
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unsigned char GOAEncryptByte(GOACryptState *state, unsigned char b); // Encrypt byte
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void GOAEncrypt(GOACryptState *state, unsigned char *bp, int len); // Encrypt byte array
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unsigned char GOADecryptByte(GOACryptState *state, unsigned char b); // Decrypt byte.
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void GOADecrypt(GOACryptState *state,unsigned char *bp, int len); // decrypt byte array
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void GOAHashFinal(GOACryptState *state, unsigned char *hash, unsigned char hashlength); // Hash length (16-32)
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#ifdef __cplusplus
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}
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#endif
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#endif
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