sodium_crypto_sign_ed25519_pk_to_curve25519
PHP function
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(PHP 7 >= 7.2.0, PHP 8)
Convert an Ed25519 public key to a Curve25519 public key
Description
sodium_crypto_sign_ed25519_pk_to_curve25519(string $public_key): string
Given an Ed25519 public key, calculate the birationally equivalent X25519 public key.
Parameters
public_keyPublic key suitable for the crypto_sign functions.
Return Values
Public key suitable for the crypto_box functions.