ParagonIE_Sodium_Compat::crypto_sign_seed_keypair

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Summery Summery

Generate an Ed25519 keypair from a seed.

Syntax Syntax

ParagonIE_Sodium_Compat::crypto_sign_seed_keypair( string $seed )

Parameters Parameters

$seed

(string) (Required) Input seed

Return Return

(string) Keypair

Source Source

File: wp-includes/sodium_compat/src/Compat.php

    public static function crypto_sign_seed_keypair($seed)
    {
        ParagonIE_Sodium_Core_Util::declareScalarType($seed, 'string', 1);

        if (self::useNewSodiumAPI()) {
            return sodium_crypto_sign_seed_keypair($seed);
        }
        if (self::use_fallback('crypto_sign_keypair')) {
            return (string) call_user_func('\\Sodium\\crypto_sign_seed_keypair', $seed);
        }
        $publicKey = '';
        $secretKey = '';
        if (PHP_INT_SIZE === 4) {
            ParagonIE_Sodium_Core32_Ed25519::seed_keypair($publicKey, $secretKey, $seed);
        } else {
            ParagonIE_Sodium_Core_Ed25519::seed_keypair($publicKey, $secretKey, $seed);
        }
        return $secretKey . $publicKey;
    }

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