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#ifndef chacha20_ietf_ext_H
#define chacha20_ietf_ext_H
#include <stdint.h>
/* The ietf_ext variant allows the internal counter to overflow into the IV */
int crypto_stream_chacha20_ietf_ext(unsigned char *c, unsigned long long clen,
const unsigned char *n, const unsigned char *k);
int crypto_stream_chacha20_ietf_ext_xor_ic(unsigned char *c, const unsigned char *m,
unsigned long long mlen,
const unsigned char *n, uint32_t ic,
const unsigned char *k);
#endif
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