ParagonIE_Sodium_Core_Ed25519::is_on_main_subgroup( ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A ): bool

Description

Parameters

$AParagonIE_Sodium_Core_Curve25519_Ge_P3

Return

bool

Uses · 3

• ParagonIE_Sodium_Core_Ed25519::ge_mul_l()
• ParagonIE_Sodium_Core_Ed25519::fe_sub()
• ParagonIE_Sodium_Core_Ed25519::fe_isnonzero()

Used by · 3

• ParagonIE_Sodium_Core_Ed25519::pk_to_curve25519()
• ParagonIE_Sodium_Core_Ed25519::verify_detached()
• ParagonIE_Sodium_File::verify()Verify a file (rather than a string). Uses less memory than ParagonIE_Sodium_Compat::crypto_sign_verify_detached(), but produces the same result.

Source

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118    public static function is_on_main_subgroup(ParagonIE_Sodium_Core_Curve25519_Ge_P3 $A)119    {120        $p1 = self::ge_mul_l($A);121        $t = self::fe_sub($p1->Y, $p1->Z);122        return self::fe_isnonzero($p1->X) && self::fe_isnonzero($t);123    }

History

Unchanged from 6.9.7 through 7.1.0.

1. 6.9.7
2. 7.0.4
3. 7.1.0

Signature, return type and hooks compared across 3 parsed releases.

About this page

Parsed data

Generated from the wordpress-develop 7.1.0 tag, from src/wp-includes/sodium_compat/src/Core/Ed25519.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.

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