EVP_PBE_scrypt_ex
|| EVP_PBE_scrypt_ex(NULL, 0, NULL, 0, N, r, p, 0, NULL, 0,
if (EVP_PBE_scrypt_ex(pass, passlen, salt, saltlen, N, r, p, 0, key,
return EVP_PBE_scrypt_ex(pass, passlen, salt, saltlen, N, r, p, maxmem,
int EVP_PBE_scrypt_ex(const char *pass, size_t passlen,