sodium_crypto_sign_ed25519_sk_to_curve25519
PHP 7 >= 7.2.0, PHP 8
sodium_crypto_sign_ed25519_sk_to_curve25519 - Convert an Ed25519 secret key to a Curve25519 secret key
Manual
sodium_crypto_sign_ed25519_sk_to_curve25519(
string$secret_key ): string
Given an Ed25519 secret key, calculate the birationally equivalent X25519 secret key.
Parameters
- secret_key
-
Secret key suitable for the crypto_sign functions.
Return Values
Secret key suitable for the crypto_box functions.