[−][src]Crate extendhash
extendhash is a Rust crate to compute hash extensions.
Supported hash algorithms:
- MD5
- SHA-0
- SHA-1
- SHA-256
- SHA-512
Example
use extendhash::sha256; let secret_data = "This is a secret!".as_bytes(); let hash = sha256::compute_hash(secret_data); let secret_data_length = secret_data.len(); // Now we try computing a hash extension, assuming that // `secret_data` is not available. We only need `hash` and // `secret_data_length`. let appended_message = "Appended message.".as_bytes(); let combined_hash = sha256::extend_hash( hash, secret_data_length, appended_message); // Now we verify that `combined_hash` matches the // concatenation (note the intermediate padding): let mut combined_data = Vec::<u8>::new(); combined_data.extend_from_slice(secret_data); let padding = sha256::padding_for_length(secret_data_length); combined_data.extend_from_slice(padding.as_slice()); combined_data.extend_from_slice(appended_message); assert_eq!( combined_hash, sha256::compute_hash(combined_data.as_slice()));
Modules
md5 | Compute MD5 hashes and hash extensions. |
sha0 | Compute SHA-0 hashes and hash extensions. |
sha1 | Compute SHA-1 hashes and hash extensions. |
sha256 | Compute SHA-256 hashes and hash extensions. |
sha512 | Compute SHA-512 hashes and hash extensions. |