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#ifdef ENABLE_SRP
int _gnutls_srp_gx(opaque * text, size_t textsize, opaque ** result,
mpi_t g, mpi_t prime, gnutls_alloc_function);
mpi_t _gnutls_calc_srp_B(mpi_t * ret_b, mpi_t g, mpi_t n, mpi_t v);
mpi_t _gnutls_calc_srp_u(mpi_t A, mpi_t B, mpi_t N);
mpi_t _gnutls_calc_srp_S1(mpi_t A, mpi_t b, mpi_t u, mpi_t v, mpi_t n);
mpi_t _gnutls_calc_srp_A(mpi_t * a, mpi_t g, mpi_t n);
mpi_t _gnutls_calc_srp_S2(mpi_t B, mpi_t g, mpi_t x, mpi_t a, mpi_t u,
mpi_t n);
int _gnutls_calc_srp_x(char *username, char *password, opaque * salt,
size_t salt_size, size_t * size, void *digest);
int _gnutls_srp_gn(opaque ** ret_g, opaque ** ret_n, int bits);
/* g is defined to be 2 */
#define SRP_MAX_HASH_SIZE 24
#endif
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