sodium_crypto_box_publickey_from_secretkey
(PHP 7 >= 7.2.0, PHP 8)
sodium_crypto_box_publickey_from_secretkey — Calculate the public key from a secret key
Beschreibung
sodium_crypto_box_publickey_from_secretkey(string
$secret_key): stringGiven a secret key, calculate the corresponding public key.
This only works with the type of keys intended for use with crypto_box() (which uses Elliptic Curve Diffie-Hellman over the Montgomery curve, Curve25519; abbreviated as X25519), not crypto_sign() (which uses Edwards Digital Signature Algorithm over the Edwards Curve with the corresponding paramaters; abbreviated Ed25519).
Parameter-Liste
-
secret_key -
X25519 secret key
Rückgabewerte
X25519 public key.
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