[−][src]Module extendhash::sha0
Compute SHA-0 hashes and hash extensions.
Example
let secret_data = "This is a secret!".as_bytes(); let hash = sha0::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 = sha0::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 intermediate_padding = sha0::padding_for_length(secret_data_length); combined_data.extend_from_slice(intermediate_padding.as_slice()); combined_data.extend_from_slice(appended_message); assert_eq!(combined_hash, sha0::compute_hash(combined_data.as_slice()));
Functions
compute_hash | Compute the SHA-0 hash of the input data |
extend_hash | Calculate a SHA-1 hash extension. |
padding_for_length | Compute the SHA-0 padding for the given input length. |
padding_length_for_input_length | Compute the SHA-0 padding length (in bytes) for the given input length. |