Module chksum_hash_sha2_384::state

Module contains items related to the State structure which allows to the direct MD5 state manipulation.

Example

use chksum_hash_sha2_384 as sha2_384;

// Create new state
let mut state = sha2_384::state::default();

// By default it returns initialization values
assert_eq!(
    state.digest(),
    [
        0xCBBB9D5DC1059ED8,
        0x629A292A367CD507,
        0x9159015A3070DD17,
        0x152FECD8F70E5939,
        0x67332667FFC00B31,
        0x8EB44A8768581511,
    ]
);

// Manually create block of data with proper padding
let data = [
    u64::from_be_bytes([0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]),
    u64::from_be_bytes([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]),
    // ...
    u64::from_be_bytes([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]),
];

// Update state and own new value
state = state.update(data);

// Proper digest of empty input
assert_eq!(
    state.digest(),
    [
        0x38B060A751AC9638,
        0x4CD9327EB1B1E36A,
        0x21FDB71114BE0743,
        0x4C0CC7BF63F6E1DA,
        0x274EDEBFE76F65FB,
        0xD51AD2F14898B95B,
    ]
);

// Reset state to initial values
state = state.reset();
assert_eq!(
    state.digest(),
    [
        0xCBBB9D5DC1059ED8,
        0x629A292A367CD507,
        0x9159015A3070DD17,
        0x152FECD8F70E5939,
        0x67332667FFC00B31,
        0x8EB44A8768581511,
    ]
);

Warning

The State structure does not modify internal state, each function returns a new state that must be used.

Structs

• State
  A low-level hash state.

Functions

• default
  Creates a default state.
• new
  Create a new state.