public static function ParagonIE_Sodium_Compat::crypto_sign_publickey_from_secretkey 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_publickey_from_secretkey()

Calculate an Ed25519 public key from an Ed25519 secret key.

@psalm-suppress MixedArgument

Parameters

string $secretKey Your Ed25519 secret key:

Return value

string The corresponding Ed25519 public key

Throws

SodiumException

TypeError

2 calls to ParagonIE_Sodium_Compat::crypto_sign_publickey_from_secretkey()

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

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

File

vendor/paragonie/sodium_compat/src/Compat.php, line 2752

Class

ParagonIE_Sodium_Compat

Code

public static function crypto_sign_publickey_from_secretkey($secretKey) {

  /* Type checks: */
  ParagonIE_Sodium_Core_Util::declareScalarType($secretKey, 'string', 1);

  /* Input validation: */
  if (ParagonIE_Sodium_Core_Util::strlen($secretKey) !== self::CRYPTO_SIGN_SECRETKEYBYTES) {
    throw new SodiumException('Argument 1 must be CRYPTO_SIGN_SECRETKEYBYTES long.');
  }
  if (self::useNewSodiumAPI()) {
    return sodium_crypto_sign_publickey_from_secretkey($secretKey);
  }
  if (self::use_fallback('crypto_sign_publickey_from_secretkey')) {
    return (string) call_user_func('\\Sodium\\crypto_sign_publickey_from_secretkey', $secretKey);
  }
  if (PHP_INT_SIZE === 4) {
    return ParagonIE_Sodium_Core32_Ed25519::publickey_from_secretkey($secretKey);
  }
  return ParagonIE_Sodium_Core_Ed25519::publickey_from_secretkey($secretKey);
}