public static function ParagonIE_Sodium_Crypto::generichash_init_salt_personal in Automatic Updates 7

Same name and namespace in other branches

1. 8 vendor/paragonie/sodium_compat/src/Crypto.php \ParagonIE_Sodium_Crypto::generichash_init_salt_personal()

Initialize a hashing context for BLAKE2b.

@internal Do not use this directly. Use ParagonIE_Sodium_Compat.

Parameters

string $key:

int $outputLength:

string $salt:

string $personal:

Return value

string

Throws

RangeException

SodiumException

TypeError

1 call to ParagonIE_Sodium_Crypto::generichash_init_salt_personal()

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

Initialize a BLAKE2b hashing context, for use in a streaming interface.

File

vendor/paragonie/sodium_compat/src/Crypto.php, line 794

Class

ParagonIE_Sodium_Crypto

Class ParagonIE_Sodium_Crypto

Code

public static function generichash_init_salt_personal($key = '', $outputLength = 32, $salt = '', $personal = '') {

  // This ensures that ParagonIE_Sodium_Core_BLAKE2b::$iv is initialized
  ParagonIE_Sodium_Core_BLAKE2b::pseudoConstructor();
  $k = null;
  if (!empty($key)) {
    $k = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($key);
    if ($k
      ->count() > ParagonIE_Sodium_Core_BLAKE2b::KEYBYTES) {
      throw new RangeException('Invalid key size');
    }
  }
  if (!empty($salt)) {
    $s = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($salt);
  }
  else {
    $s = null;
  }
  if (!empty($salt)) {
    $p = ParagonIE_Sodium_Core_BLAKE2b::stringToSplFixedArray($personal);
  }
  else {
    $p = null;
  }

  /** @var SplFixedArray $ctx */
  $ctx = ParagonIE_Sodium_Core_BLAKE2b::init($k, $outputLength, $s, $p);
  return ParagonIE_Sodium_Core_BLAKE2b::contextToString($ctx);
}