[−][src]Function ring::hkdf::extract  
pub fn extract(salt: &SigningKey, secret: &[u8]) -> SigningKey
The HKDF-Extract operation.
| Parameter | RFC 5869 Term | 
|---|---|
salt.digest_algorithm() | Hash | 
secret | IKM (Input Keying Material) | 
| [return value] | PRK |