18 lines
328 B
C
18 lines
328 B
C
#ifndef CHACHA_H
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#define CHACHA_H
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#include "util.h"
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#define CHACHA_KEY_SIZE 32
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#define CHACHA_IV_SIZE 8
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typedef struct {
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u32 input[16];
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} chacha_ctx;
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void chacha_keysetup(chacha_ctx *x, const u8 *k);
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void chacha_ivsetup(chacha_ctx *x, const u8 *iv);
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void chacha_keystream_bytes(chacha_ctx *x, u8 *c, u32 bytes);
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#endif
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