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

sodium_crypto_sign_publickey_from_secretkey

(PHP 7 >= 7.2.0, PHP 8)

sodium_crypto_sign_publickey_from_secretkey — Extract the Ed25519 public key from the secret key

Description

function sodium_crypto_sign_publickey_from_secretkey(#[\SensitiveParameter] string $secret_key): string

Extract the Ed25519 public key from the secret key

Parameters

secret_key

Ed25519 secret key

Return Values

Ed25519 public key


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