public static function ParagonIE_Sodium_Core32_Curve25519::fe_sub in Automatic Updates 7
Same name and namespace in other branches
- 8 vendor/paragonie/sodium_compat/src/Core32/Curve25519.php \ParagonIE_Sodium_Core32_Curve25519::fe_sub()
Subtract two field elements.
h = f - g
Preconditions: |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc. |g| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
Postconditions: |h| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
@internal You should not use this directly from another application
@psalm-suppress MixedMethodCall @psalm-suppress MixedTypeCoercion
Parameters
ParagonIE_Sodium_Core32_Curve25519_Fe $f:
ParagonIE_Sodium_Core32_Curve25519_Fe $g:
Return value
ParagonIE_Sodium_Core32_Curve25519_Fe
Throws
SodiumException
TypeError
10 calls to ParagonIE_Sodium_Core32_Curve25519::fe_sub()
- ParagonIE_Sodium_Core32_Curve25519::ge_add in vendor/
paragonie/ sodium_compat/ src/ Core32/ Curve25519.php - Add two group elements.
- 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_madd in vendor/
paragonie/ sodium_compat/ src/ Core32/ Curve25519.php - @internal You should not use this directly from another application
- ParagonIE_Sodium_Core32_Curve25519::ge_msub in vendor/
paragonie/ sodium_compat/ src/ Core32/ Curve25519.php - @internal You should not use this directly from another application
- ParagonIE_Sodium_Core32_Curve25519::ge_p2_dbl 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 1365
Class
- ParagonIE_Sodium_Core32_Curve25519
- Class ParagonIE_Sodium_Core32_Curve25519
Code
public static function fe_sub(ParagonIE_Sodium_Core32_Curve25519_Fe $f, ParagonIE_Sodium_Core32_Curve25519_Fe $g) {
return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray(array(
$f[0]
->subInt32($g[0]),
$f[1]
->subInt32($g[1]),
$f[2]
->subInt32($g[2]),
$f[3]
->subInt32($g[3]),
$f[4]
->subInt32($g[4]),
$f[5]
->subInt32($g[5]),
$f[6]
->subInt32($g[6]),
$f[7]
->subInt32($g[7]),
$f[8]
->subInt32($g[8]),
$f[9]
->subInt32($g[9]),
));
}