24 lines
597 B
C
24 lines
597 B
C
/*
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chacha-merged.c version 20080118
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D. J. Bernstein
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Public domain.
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*/
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#ifndef CHACHA_H
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#define CHACHA_H
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struct chacha_ctx {
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uint32_t input[16];
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};
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#define CHACHA_MINKEYLEN 16
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#define CHACHA_NONCELEN 8
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#define CHACHA_CTRLEN 8
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#define CHACHA_STATELEN (CHACHA_NONCELEN+CHACHA_CTRLEN)
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#define CHACHA_BLOCKLEN 64
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void chacha_keysetup(struct chacha_ctx *x, const uint8_t *k, uint32_t kbits);
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void chacha_ivsetup(struct chacha_ctx *x, const uint8_t *iv, const uint8_t *ctr);
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void chacha_encrypt_bytes(struct chacha_ctx *x, const uint8_t *m, uint8_t * c, uint32_t bytes);
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#endif /* CHACHA_H */
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