rvoip-rtp-core 0.2.2

RTP/RTCP protocol implementation for the rvoip stack
Documentation 
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//! ZRTP hash implementations
//!
//! This module provides hash functions used in ZRTP.

use sha2::{Digest, Sha256, Sha384};

/// ZRTP hash calculation
pub struct ZrtpHash;

impl ZrtpHash {
    /// Calculate a SHA-256 hash
    pub fn sha256(data: &[u8]) -> [u8; 32] {
        let mut hasher = Sha256::new();
        hasher.update(data);
        let result = hasher.finalize();

        let mut hash = [0u8; 32];
        hash.copy_from_slice(&result);
        hash
    }

    /// Calculate a SHA-384 hash
    pub fn sha384(data: &[u8]) -> [u8; 48] {
        let mut hasher = Sha384::new();
        hasher.update(data);
        let result = hasher.finalize();

        let mut hash = [0u8; 48];
        hash.copy_from_slice(&result);
        hash
    }
}