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#ifndef CIPHER_RC4_H
#define CIPHER_RC4_H
typedef struct rc4_key {
unsigned char state[256];
unsigned char x;
unsigned char y;
} rc4_key;
void rc4_prepare_key (unsigned char *key_data_ptr, int key_data_len, rc4_key *key);
void rc4_encipher (unsigned char *buffer,
unsigned long int buffer_len, unsigned char *key, int key_len);
#define rc4_decipher rc4_encipher
void rc4_cipher (unsigned char *buffer_ptr, int buffer_len, rc4_key *key);
#endif
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