public static function ParagonIE_Sodium_Core_Ed25519::seed_keypair in Automatic Updates 8

Same name and namespace in other branches

1. 7 vendor/paragonie/sodium_compat/src/Core/Ed25519.php \ParagonIE_Sodium_Core_Ed25519::seed_keypair()

@internal You should not use this directly from another application

Parameters

string $pk:

string $sk:

string $seed:

Return value

string

Throws

SodiumException

TypeError

2 calls to ParagonIE_Sodium_Core_Ed25519::seed_keypair()

ParagonIE_Sodium_Compat::crypto_sign_seed_keypair in vendor/paragonie/sodium_compat/src/Compat.php

Generate an Ed25519 keypair from a seed.

ParagonIE_Sodium_Core_Ed25519::keypair in vendor/paragonie/sodium_compat/src/Core/Ed25519.php

@internal You should not use this directly from another application

File

vendor/paragonie/sodium_compat/src/Core/Ed25519.php, line 42

Class

ParagonIE_Sodium_Core_Ed25519

Class ParagonIE_Sodium_Core_Ed25519

Code

public static function seed_keypair(&$pk, &$sk, $seed) {
  if (self::strlen($seed) !== self::SEED_BYTES) {
    throw new RangeException('crypto_sign keypair seed must be 32 bytes long');
  }

  /** @var string $pk */
  $pk = self::publickey_from_secretkey($seed);
  $sk = $seed . $pk;
  return $sk;
}