public static function ParagonIE_Sodium_Compat::crypto_sign_keypair_from_secretkey_and_publickey in Automatic Updates 8

Same name and namespace in other branches

1. 7 vendor/paragonie/sodium_compat/src/Compat.php \ParagonIE_Sodium_Compat::crypto_sign_keypair_from_secretkey_and_publickey()

Parameters

string $sk:

string $pk:

Return value

string

Throws

SodiumException

1 call to ParagonIE_Sodium_Compat::crypto_sign_keypair_from_secretkey_and_publickey()

php72compat.php in vendor/paragonie/sodium_compat/lib/php72compat.php

File

vendor/paragonie/sodium_compat/src/Compat.php, line 2663

Class

ParagonIE_Sodium_Compat

Code

public static function crypto_sign_keypair_from_secretkey_and_publickey($sk, $pk) {
  ParagonIE_Sodium_Core_Util::declareScalarType($sk, 'string', 1);
  ParagonIE_Sodium_Core_Util::declareScalarType($pk, 'string', 1);
  $sk = (string) $sk;
  $pk = (string) $pk;
  if (ParagonIE_Sodium_Core_Util::strlen($sk) !== self::CRYPTO_SIGN_SECRETKEYBYTES) {
    throw new SodiumException('secretkey should be SODIUM_CRYPTO_SIGN_SECRETKEYBYTES bytes');
  }
  if (ParagonIE_Sodium_Core_Util::strlen($pk) !== self::CRYPTO_SIGN_PUBLICKEYBYTES) {
    throw new SodiumException('publickey should be SODIUM_CRYPTO_SIGN_PUBLICKEYBYTES bytes');
  }
  if (self::useNewSodiumAPI()) {
    return sodium_crypto_sign_keypair_from_secretkey_and_publickey($sk, $pk);
  }
  return $sk . $pk;
}