mirror of https://github.com/qpdf/qpdf.git
29 lines
535 B
C++
29 lines
535 B
C++
#ifndef RC4_HH
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#define RC4_HH
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#include <stddef.h>
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class RC4
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{
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public:
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// key_len of -1 means treat key_data as a null-terminated string
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RC4(unsigned char const* key_data, int key_len = -1);
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// out_data = 0 means to encrypt/decrypt in place
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void process(unsigned char* in_data, size_t len,
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unsigned char* out_data = 0);
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private:
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class RC4Key
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{
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public:
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unsigned char state[256];
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unsigned char x;
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unsigned char y;
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};
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RC4Key key;
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};
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#endif // RC4_HH
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