sodium_crypto_box_secretkey
PHP 7 >= 7.2.0, PHP 8
sodium_crypto_box_secretkey - Extracts the secret key from a crypto_box keypair
Manual
sodium_crypto_box_secretkey(
string$key_pair ): string
Given a keypair, fetch only the secret key.
Parameters
- key_pair
-
A keypair, such as one generated by sodium_crypto_box_keypair or sodium_crypto_box_seed_keypair
Return Values
X25519 secret key.