1--TEST-- 2Check for libsodium-based key exchange 3--EXTENSIONS-- 4sodium 5--FILE-- 6<?php 7$client_seed = sodium_hex2bin('0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef'); 8$client_keypair = sodium_crypto_kx_seed_keypair($client_seed); 9$server_seed = sodium_hex2bin('f123456789abcdef0123456789abcdef0123456789abcdef0123456789abcde0'); 10$server_keypair = sodium_crypto_kx_seed_keypair($server_seed); 11 12var_dump(sodium_bin2hex($client_keypair)); 13var_dump(sodium_bin2hex($server_keypair)); 14 15$client_session_keys = 16 sodium_crypto_kx_client_session_keys($client_keypair, 17 sodium_crypto_kx_publickey($server_keypair)); 18 19$server_session_keys = 20 sodium_crypto_kx_server_session_keys($server_keypair, 21 sodium_crypto_kx_publickey($client_keypair)); 22 23var_dump(sodium_bin2hex($client_session_keys[0])); 24var_dump(sodium_bin2hex($server_session_keys[1])); 25var_dump(sodium_bin2hex($client_session_keys[1])); 26var_dump(sodium_bin2hex($server_session_keys[0])); 27?> 28--EXPECT-- 29string(128) "b85c84f9828524519d32b97cd3dda961fdba2dbf407ae4601e2129229aa463c224eaf70f070a925d6d5176f20495d4d90867624d9a10379e2a9aef0955c9bf4e" 30string(128) "016e814c32b8b66225a403db45bf50fdd1966fb802c3115bf8aa90738c6a02de420ccdb534930fed9aaff12188bedc76e66251f399c404f2e4a15678fd4a484a" 31string(64) "99a430e61d718b71979ebcea6735c4648bc828cfb456890aeda4b628b77d5ac7" 32string(64) "99a430e61d718b71979ebcea6735c4648bc828cfb456890aeda4b628b77d5ac7" 33string(64) "876bef865a5ab3f4ae569ea5aaefe5014c3ec22a558c0a2f0274aa9985bd328d" 34string(64) "876bef865a5ab3f4ae569ea5aaefe5014c3ec22a558c0a2f0274aa9985bd328d" 35