public static function ParagonIE_Sodium_Core_Util::verify_32 in Automatic Updates 8

Same name and namespace in other branches

1. 7 vendor/paragonie/sodium_compat/src/Core/Util.php \ParagonIE_Sodium_Core_Util::verify_32()

Compare a 32-character byte string in constant time.

@internal You should not use this directly from another application

Parameters

string $a:

string $b:

Return value

bool

Throws

SodiumException

TypeError

6 calls to ParagonIE_Sodium_Core_Util::verify_32()

ParagonIE_Sodium_Core32_Curve25519::fe_isnonzero in vendor/paragonie/sodium_compat/src/Core32/Curve25519.php

Returns 0 if this field element results in all NUL bytes.

ParagonIE_Sodium_Core32_Ed25519::verify_detached in vendor/paragonie/sodium_compat/src/Core32/Ed25519.php

@internal You should not use this directly from another application

ParagonIE_Sodium_Core_Curve25519::fe_isnonzero in vendor/paragonie/sodium_compat/src/Core/Curve25519.php

Returns 0 if this field element results in all NUL bytes.

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

@internal You should not use this directly from another application

ParagonIE_Sodium_File::verify in vendor/paragonie/sodium_compat/src/File.php

Verify a file (rather than a string). Uses less memory than ParagonIE_Sodium_Compat::crypto_sign_verify_detached(), but produces the same result.

... See full list

File

vendor/paragonie/sodium_compat/src/Core/Util.php, line 863

Class

ParagonIE_Sodium_Core_Util

Class ParagonIE_Sodium_Core_Util

Code

public static function verify_32($a, $b) {

  /* Type checks: */
  if (!is_string($a)) {
    throw new TypeError('String expected');
  }
  if (!is_string($b)) {
    throw new TypeError('String expected');
  }
  return self::hashEquals(self::substr($a, 0, 32), self::substr($b, 0, 32));
}