ParagonIE_Sodium_Core32_Ed25519::publickey_from_secretkey( string $sk ): string

Parameters

$skstring

Return

string

Uses · 4

• ParagonIE_Sodium_Core32_Ed25519::substr()
• ParagonIE_Sodium_Core32_Ed25519::intToChr()
• ParagonIE_Sodium_Core32_Ed25519::chrToInt()
• ParagonIE_Sodium_Core32_Ed25519::sk_to_pk()

Used by · 2

• ParagonIE_Sodium_Compat::crypto_sign_publickey_from_secretkey()Calculate an Ed25519 public key from an Ed25519 secret key.
• ParagonIE_Sodium_Core32_Ed25519::seed_keypair()

Source

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96    public static function publickey_from_secretkey($sk)97    {98        /** @var string $sk */99        $sk = hash('sha512', self::substr($sk, 0, 32), true);100        $sk[0] = self::intToChr(101            self::chrToInt($sk[0]) & 248102        );103        $sk[31] = self::intToChr(104            (self::chrToInt($sk[31]) & 63) | 64105        );106        return self::sk_to_pk($sk);107    }

History

Unchanged from 6.7.7 through 7.1.0.

1. 6.7.7
2. 6.8.8
3. 6.9.7
4. 7.0.4
5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

About this page

Parsed data

Generated from the wordpress-develop 6.7.7 tag, from src/wp-includes/sodium_compat/src/Core32/Ed25519.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.

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