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23 lines
669 B
C
23 lines
669 B
C
#ifndef H__RIJNDAEL
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#define H__RIJNDAEL
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#include <qpdf/qpdf-config.h>
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#ifdef HAVE_INTTYPES_H
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# include <inttypes.h>
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#endif
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int rijndaelSetupEncrypt(uint32_t *rk, const unsigned char *key,
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int keybits);
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int rijndaelSetupDecrypt(uint32_t *rk, const unsigned char *key,
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int keybits);
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void rijndaelEncrypt(const uint32_t *rk, int nrounds,
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const unsigned char plaintext[16], unsigned char ciphertext[16]);
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void rijndaelDecrypt(const uint32_t *rk, int nrounds,
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const unsigned char ciphertext[16], unsigned char plaintext[16]);
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#define KEYLENGTH(keybits) ((keybits)/8)
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#define RKLENGTH(keybits) ((keybits)/8+28)
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#define NROUNDS(keybits) ((keybits)/32+6)
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#endif
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