ParagonIE_Sodium_Compat::crypto_sign_ed25519_pk_to_curve25519() public WP 1.0

Convert an Ed25519 public key to a Curve25519 public key

{} It's a method of the class: ParagonIE_Sodium_Compat{}

No Hooks.

Return

String. Null. Nothing.

Usage

$result = ParagonIE_Sodium_Compat::crypto_sign_ed25519_pk_to_curve25519( $pk );

$pk(string) (required)

-

Code of ParagonIE_Sodium_Compat::crypto_sign_ed25519_pk_to_curve25519() ParagonIE Sodium Compat::crypto sign ed25519 pk to curve25519 ^{WP 5.7}

<?php
public static function crypto_sign_ed25519_pk_to_curve25519($pk)
{
    /* Type checks: */
    ParagonIE_Sodium_Core_Util::declareScalarType($pk, 'string', 1);

    /* Input validation: */
    if (ParagonIE_Sodium_Core_Util::strlen($pk) < self::CRYPTO_SIGN_PUBLICKEYBYTES) {
        throw new SodiumException('Argument 1 must be at least CRYPTO_SIGN_PUBLICKEYBYTES long.');
    }
    if (self::useNewSodiumAPI()) {
        if (is_callable('crypto_sign_ed25519_pk_to_curve25519')) {
            return (string) sodium_crypto_sign_ed25519_pk_to_curve25519($pk);
        }
    }
    if (self::use_fallback('crypto_sign_ed25519_pk_to_curve25519')) {
        return (string) call_user_func('\\Sodium\\crypto_sign_ed25519_pk_to_curve25519', $pk);
    }
    if (PHP_INT_SIZE === 4) {
        return ParagonIE_Sodium_Core32_Ed25519::pk_to_curve25519($pk);
    }
    return ParagonIE_Sodium_Core_Ed25519::pk_to_curve25519($pk);
}