Graphe d'héritage de ParagonIE_Sodium_Core_Curve25519:

Fonctions membres publiques statiques
static	fe_0 ()

static	fe_1 ()

static	fe_copy (ParagonIE_Sodium_Core_Curve25519_Fe $f)

static	fe_frombytes ($s)

static	fe_isnegative (ParagonIE_Sodium_Core_Curve25519_Fe $f)

static	fe_mul (ParagonIE_Sodium_Core_Curve25519_Fe $f, ParagonIE_Sodium_Core_Curve25519_Fe $g)

static	fe_neg (ParagonIE_Sodium_Core_Curve25519_Fe $f)

static	fe_sq (ParagonIE_Sodium_Core_Curve25519_Fe $f)

static	fe_sq2 (ParagonIE_Sodium_Core_Curve25519_Fe $f)

static	fe_invert (ParagonIE_Sodium_Core_Curve25519_Fe $Z)

static	fe_pow22523 (ParagonIE_Sodium_Core_Curve25519_Fe $z)

static	fe_sub (ParagonIE_Sodium_Core_Curve25519_Fe $f, ParagonIE_Sodium_Core_Curve25519_Fe $g)

static	ge_add (ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p, ParagonIE_Sodium_Core_Curve25519_Ge_Cached $q)

static	ge_madd (ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $R, ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p, ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $q)

static	ge_msub (ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $R, ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p, ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $q)

static	ge_p1p1_to_p2 (ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $p)

static	ge_p1p1_to_p3 (ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $p)

static	ge_p2_0 ()

static	ge_p2_dbl (ParagonIE_Sodium_Core_Curve25519_Ge_P2 $p)

static	ge_p3_0 ()

static	ge_p3_to_p2 (ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p)

static	ge_p3_tobytes (ParagonIE_Sodium_Core_Curve25519_Ge_P3 $h)

static	ge_p3_dbl (ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p)

static	ge_precomp_0 ()

static	equal ($b, $c)

static	negative ($char)

static	cmov (ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $t, ParagonIE_Sodium_Core_Curve25519_Ge_Precomp $u, $b)

static	ge_cmov_cached (ParagonIE_Sodium_Core_Curve25519_Ge_Cached $t, ParagonIE_Sodium_Core_Curve25519_Ge_Cached $u, $b)

static	ge_cmov8_cached (array $cached, $b)

static	ge_sub (ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p, ParagonIE_Sodium_Core_Curve25519_Ge_Cached $q)

static	ge_tobytes (ParagonIE_Sodium_Core_Curve25519_Ge_P2 $h)

static	sc25519_mul ($a, $b)

static	sc25519_sq ($s)

static	sc25519_sqmul ($s, $n, $a)

static	sc25519_invert ($s)

static	clamp ($s)

static	fe_normalize (ParagonIE_Sodium_Core_Curve25519_Fe $f)

Fonctions membres publiques statiques hérités de ParagonIE_Sodium_Core_Util
static	compare ($left, $right, $len=null)

static	declareScalarType (&$mixedVar=null, $type='void', $argumentIndex=0)

static	intToChr ($int)

static	memcmp ($left, $right)

static	strlen ($str)

static	substr ($str, $start=0, $length=null)

static	verify_16 ($a, $b)

static	verify_32 ($a, $b)

static	xorStrings ($a, $b)

Membres hérités additionnels
Champs de données hérités de ParagonIE_Sodium_Core_Curve25519_H
const	L = "\xed\xd3\xf5\x5c\x1a\x63\x12\x58\xd6\x9c\xf7\xa2\xde\xf9\xde\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10"

Fonctions membres protégées statiques hérités de ParagonIE_Sodium_Core_Util
static	hash_update (&$hs, $data)

Attributs protégés statiques hérités de ParagonIE_Sodium_Core_Curve25519_H
static	$base

static	$base2

static	$d

static	$d2

static	$sqrtm1

static	$invsqrtamd

static	$sqrtadm1

static	$onemsqd

static	$sqdmone

Description détaillée

Class ParagonIE_Sodium_Core_Curve25519

Implements Curve25519 core functions

Based on the ref10 curve25519 code provided by libsodium

https://github.com/jedisct1/libsodium/blob/master/src/libsodium/crypto_core/curve25519/ref10/curve25519_ref10.c

Documentation des fonctions membres

◆ clamp()

static clamp ( $s )

static

Paramètres

string $s

Renvoie: string

◆ cmov()

static cmov	(	ParagonIE_Sodium_Core_Curve25519_Ge_Precomp	$t,
		ParagonIE_Sodium_Core_Curve25519_Ge_Precomp	$u,
			$b
	)

static

Conditional move

Références $b.

◆ equal()

static equal	(	$b,
		$c
	)

static

Références $b.

◆ fe_0()

static fe_0 ( )

static

Get a field element of size 10 with a value of 0

◆ fe_1()

static fe_1 ( )

static

Get a field element of size 10 with a value of 1

◆ fe_copy()

static fe_copy ( ParagonIE_Sodium_Core_Curve25519_Fe $f )

static

Create a copy of a field element.

◆ fe_frombytes()

static fe_frombytes ( $s )

static

Give: 32-byte string. Receive: A field element object to use for internal calculations.

◆ fe_invert()

static fe_invert ( ParagonIE_Sodium_Core_Curve25519_Fe $Z )

static

Références $i.

◆ fe_isnegative()

static fe_isnegative ( ParagonIE_Sodium_Core_Curve25519_Fe $f )

static

Is a field element negative? (1 = yes, 0 = no. Used in calculations.)

◆ fe_mul()

static fe_mul	(	ParagonIE_Sodium_Core_Curve25519_Fe	$f,
		ParagonIE_Sodium_Core_Curve25519_Fe	$g
	)

static

Multiply two field elements

h = f * g

Références $g.

◆ fe_neg()

static fe_neg ( ParagonIE_Sodium_Core_Curve25519_Fe $f )

static

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

h = -f

Références $i.

◆ fe_normalize()

static fe_normalize ( ParagonIE_Sodium_Core_Curve25519_Fe $f )

static

Ensure limbs are less than 28 bits long to prevent float promotion.

This uses a constant-time conditional swap under the hood.

Paramètres

ParagonIE_Sodium_Core_Curve25519_Fe $f

Renvoie: ParagonIE_Sodium_Core_Curve25519_Fe

Références $b, $g, et $i.

◆ fe_pow22523()

static fe_pow22523 ( ParagonIE_Sodium_Core_Curve25519_Fe $z )

static

Références $i.

◆ fe_sq()

static fe_sq ( ParagonIE_Sodium_Core_Curve25519_Fe $f )

static

Square a field element

h = f * f

◆ fe_sq2()

static fe_sq2 ( ParagonIE_Sodium_Core_Curve25519_Fe $f )

static

Square and double a field element

h = 2 * f * f

◆ fe_sub()

static fe_sub	(	ParagonIE_Sodium_Core_Curve25519_Fe	$f,
		ParagonIE_Sodium_Core_Curve25519_Fe	$g
	)

static

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.

Références $g.

◆ ge_add()

static ge_add	(	ParagonIE_Sodium_Core_Curve25519_Ge_P3	$p,
		ParagonIE_Sodium_Core_Curve25519_Ge_Cached	$q
	)

static

Add two group elements.

r = p + q

Références $r.

◆ ge_cmov8_cached()

static ge_cmov8_cached	(	array	$cached,
			$b
	)

static

Paramètres

	ParagonIE_Sodium_Core_Curve25519_Ge_Cached[]	$cached
int	$b

Renvoie: ParagonIE_Sodium_Core_Curve25519_Ge_Cached

Exceptions

SodiumException

Références $b.

◆ ge_cmov_cached()

static ge_cmov_cached	(	ParagonIE_Sodium_Core_Curve25519_Ge_Cached	$t,
		ParagonIE_Sodium_Core_Curve25519_Ge_Cached	$u,
			$b
	)

static

Paramètres

ParagonIE_Sodium_Core_Curve25519_Ge_Cached	$t
ParagonIE_Sodium_Core_Curve25519_Ge_Cached	$u
int	$b

Renvoie: ParagonIE_Sodium_Core_Curve25519_Ge_Cached

Références $b.

◆ ge_madd()

static ge_madd	(	ParagonIE_Sodium_Core_Curve25519_Ge_P1p1	$R,
		ParagonIE_Sodium_Core_Curve25519_Ge_P3	$p,
		ParagonIE_Sodium_Core_Curve25519_Ge_Precomp	$q
	)

static

Références $r.

◆ ge_msub()

static ge_msub	(	ParagonIE_Sodium_Core_Curve25519_Ge_P1p1	$R,
		ParagonIE_Sodium_Core_Curve25519_Ge_P3	$p,
		ParagonIE_Sodium_Core_Curve25519_Ge_Precomp	$q
	)

static

Références $r.

◆ ge_p1p1_to_p2()

static ge_p1p1_to_p2 ( ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $p )

static

Références $r.

◆ ge_p1p1_to_p3()

static ge_p1p1_to_p3 ( ParagonIE_Sodium_Core_Curve25519_Ge_P1p1 $p )

static

Références $r.

◆ ge_p2_0()

static ge_p2_0 ( )

static

◆ ge_p2_dbl()

static ge_p2_dbl ( ParagonIE_Sodium_Core_Curve25519_Ge_P2 $p )

static

Références $r.

◆ ge_p3_0()

static ge_p3_0 ( )

static

◆ ge_p3_dbl()

static ge_p3_dbl ( ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p )

static

◆ ge_p3_to_p2()

static ge_p3_to_p2 ( ParagonIE_Sodium_Core_Curve25519_Ge_P3 $p )

static

◆ ge_p3_tobytes()

static ge_p3_tobytes ( ParagonIE_Sodium_Core_Curve25519_Ge_P3 $h )

static

◆ ge_precomp_0()

static ge_precomp_0 ( )

static

Renvoie: ParagonIE_Sodium_Core_Curve25519_Ge_Precomp

◆ ge_sub()

static ge_sub	(	ParagonIE_Sodium_Core_Curve25519_Ge_P3	$p,
		ParagonIE_Sodium_Core_Curve25519_Ge_Cached	$q
	)

static

Subtract two group elements.

r = p - q

Références $r.

◆ ge_tobytes()

static ge_tobytes ( ParagonIE_Sodium_Core_Curve25519_Ge_P2 $h )

static

Convert a group element to a byte string.

Paramètres

ParagonIE_Sodium_Core_Curve25519_Ge_P2 $h

Renvoie: string

Exceptions

SodiumException
TypeError

◆ negative()

static negative ( $char )

static

◆ sc25519_invert()

static sc25519_invert ( $s )

static

Paramètres

string $s

Renvoie: string

◆ sc25519_mul()

static sc25519_mul	(	$a,
		$b
	)

static

Paramètres

string	$a
string	$b

Renvoie: string

Références $b.

◆ sc25519_sq()

static sc25519_sq ( $s )

static

Paramètres

string $s

Renvoie: string

◆ sc25519_sqmul()

static sc25519_sqmul	(	$s,
		$n,
		$a
	)

static

Paramètres

string	$s
int	$n
string	$a

Renvoie: string

Références $i, et $n.

La documentation de cette classe a été générée à partir du fichier suivant :

src/Core/Curve25519.php

Fonctions membres publiques statiques

Membres hérités additionnels

Description détaillée

Documentation des fonctions membres

◆ clamp()

◆ cmov()

◆ equal()

◆ fe_0()

◆ fe_1()

◆ fe_copy()

◆ fe_frombytes()

◆ fe_invert()

◆ fe_isnegative()

◆ fe_mul()

◆ fe_neg()

◆ fe_normalize()

◆ fe_pow22523()

◆ fe_sq()

◆ fe_sq2()

◆ fe_sub()

◆ ge_add()

◆ ge_cmov8_cached()

◆ ge_cmov_cached()

◆ ge_madd()

◆ ge_msub()

◆ ge_p1p1_to_p2()

◆ ge_p1p1_to_p3()

◆ ge_p2_0()

◆ ge_p2_dbl()

◆ ge_p3_0()

◆ ge_p3_dbl()

◆ ge_p3_to_p2()

◆ ge_p3_tobytes()

◆ ge_precomp_0()

◆ ge_sub()

◆ ge_tobytes()

◆ negative()

◆ sc25519_invert()

◆ sc25519_mul()

◆ sc25519_sq()

◆ sc25519_sqmul()