public static function ParagonIE_Sodium_Core32_Curve25519::fe_neg in Automatic Updates 7

Same name and namespace in other branches

1. 8 vendor/paragonie/sodium_compat/src/Core32/Curve25519.php \ParagonIE_Sodium_Core32_Curve25519::fe_neg()

Get the negative values for each piece of the field element.

h = -f

@internal You should not use this directly from another application

@psalm-suppress MixedAssignment @psalm-suppress MixedMethodCall

Parameters

ParagonIE_Sodium_Core32_Curve25519_Fe $f:

Return value

ParagonIE_Sodium_Core32_Curve25519_Fe

2 calls to ParagonIE_Sodium_Core32_Curve25519::fe_neg()

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

@internal You should not use this directly from another application

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

@internal You should not use this directly from another application

File

vendor/paragonie/sodium_compat/src/Core32/Curve25519.php, line 754

Class

ParagonIE_Sodium_Core32_Curve25519

Class ParagonIE_Sodium_Core32_Curve25519

Code

public static function fe_neg(ParagonIE_Sodium_Core32_Curve25519_Fe $f) {
  $h = new ParagonIE_Sodium_Core32_Curve25519_Fe();
  for ($i = 0; $i < 10; ++$i) {
    $h[$i] = $h[$i]
      ->subInt32($f[$i]);
  }
  return $h;
}