PHP Manual
Sodium Functions
Extract the Ed25519 secret key from a keypair

sodium_crypto_sign_secretkey

(PHP 7 >= 7.2.0, PHP 8)

sodium_crypto_sign_secretkey — Extract the Ed25519 secret key from a keypair

Description

sodium_crypto_sign_secretkey(string $key_pair): string

Extract the Ed25519 secret key from a keypair

Parameters

key_pair: Ed25519 keypair (see: sodium_crypto_sign_keypair())

Return Values

Ed25519 secret key

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