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Summery Summery
Convert an Ed25519 public key to a Curve25519 public key
Syntax Syntax
Parameters Parameters
- $pk
-
(Required)
Return Return
(string)
Source Source
File: wp-includes/sodium_compat/src/Compat.php
public static function crypto_sign_ed25519_pk_to_curve25519($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);
}