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<sodium_crypto_sign_opensodium_crypto_sign_publickey_from_secretkey>
^Sodium FunctionsLast updated: Mon, 26 Oct 2026

sodium_crypto_sign_publickey

(PHP 7 >= 7.2.0, PHP 8)

sodium_crypto_sign_publickey — Extract the Ed25519 public key from a keypair

Description

function sodium_crypto_sign_publickey(#[\SensitiveParameter] string $key_pair): string

Extract the Ed25519 public key from a keypair

Parameters

key_pair

Ed25519 keypair (see: sodium_crypto_sign_keypair())

Return Values

Ed25519 public key


<sodium_crypto_sign_opensodium_crypto_sign_publickey_from_secretkey>
^Sodium FunctionsLast updated: Mon, 26 Oct 2026