sodium_crypto_kx_secretkey
PHP 7 >= 7.2.0, PHP 8
sodium_crypto_kx_secretkey - Extract the secret key from a crypto_kx keypair.
Manual
sodium_crypto_kx_secretkey(
string$key_pair ): string
Extract the secret key from a crypto_kx keypair.
Parameters
- key_pair
-
X25519 keypair, such as one generated by sodium_crypto_kx_keypair.
Return Values
X25519 secret key.