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derive_key

void_crypto

Function derive_key 

Source 
pub fn derive_key(root_key: &[u8; 32], info: &str) -> CryptoResult<[u8; 32]>
Expand description

Derives a 32-byte key from the root key using HKDF-SHA256.

§Arguments

  • root_key - The root key material
  • info - Context string (e.g., “encryption”, “signing”)