pcompress/crypto/xsalsa20/crypto_xsalsa20.h

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#ifndef crypto_xsalsa20_H
#define crypto_xsalsa20_H
#include <inttypes.h>
#include <utils.h>
#define XSALSA20_CRYPTO_KEYBYTES 32
#define XSALSA20_CRYPTO_NONCEBYTES 24
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
unsigned char nonce[XSALSA20_CRYPTO_NONCEBYTES];
uchar_t key[XSALSA20_CRYPTO_KEYBYTES];
int keylen;
uchar_t pkey[XSALSA20_CRYPTO_KEYBYTES];
} salsa20_ctx_t;
int salsa20_init(salsa20_ctx_t *ctx, uchar_t *salt, int saltlen, uchar_t *pwd, int pwd_len, uchar_t *nonce, int enc);
int salsa20_encrypt(salsa20_ctx_t *ctx, uchar_t *plaintext, uchar_t *ciphertext, uint64_t len, uint64_t id);
int salsa20_decrypt(salsa20_ctx_t *ctx, uchar_t *ciphertext, uchar_t *plaintext, uint64_t len, uint64_t id);
uchar_t *salsa20_nonce(salsa20_ctx_t *ctx);
void salsa20_clean_pkey(salsa20_ctx_t *ctx);
void salsa20_cleanup(salsa20_ctx_t *ctx);
#ifdef __cplusplus
}
#endif
#endif