15 //! SHA-2 and the legacy SHA-1 digest algorithm.
47     /// The context's algorithm.
48     pub algorithm: &'static Algorithm,  field
54     pub(crate) fn new(algorithm: &'static Algorithm) -> Self {  in new()
56             state: algorithm.initial_state,  in new()
58             algorithm,  in new()
65         let num_blocks = input.len() / self.algorithm.block_len;  in update()
66         assert_eq!(num_blocks * self.algorithm.block_len, input.len());  in update()
71                 (self.algorithm.block_data_order)(&mut self.state, input.as_ptr(), num_blocks);  in update()
81         let block_len = self.algorithm.block_len;  in finish()
89         if padding_pos > block_len - self.algorithm.len_len {  in finish()
92                 (self.algorithm.block_data_order)(&mut self.state, pending.as_ptr(), 1);  in finish()
113             (self.algorithm.block_data_order)(&mut self.state, pending.as_ptr(), 1);  in finish()
117             algorithm: self.algorithm,  in finish()
118             value: (self.algorithm.format_output)(self.state),  in finish()
150     pub fn new(algorithm: &'static Algorithm) -> Self {  in new()
152             block: BlockContext::new(algorithm),  in new()
170         let block_len = self.block.algorithm.block_len;  in update()
200         let block_len = self.block.algorithm.block_len;  in finish()
205     /// The algorithm that this context is using.
207     pub fn algorithm(&self) -> &'static Algorithm {  in algorithm()  argument
208         self.block.algorithm  in algorithm()
212 /// Returns the digest of `data` using the given digest algorithm.
227 pub fn digest(algorithm: &'static Algorithm, data: &[u8]) -> Digest {  in digest()  argument
228     let mut ctx = Context::new(algorithm);  in digest()
239     algorithm: &'static Algorithm,  field
243     /// The algorithm that was used to calculate the digest value.
245     pub fn algorithm(&self) -> &'static Algorithm {  in algorithm()  argument
246         self.algorithm  in algorithm()
254         &as64.as_byte_array()[..self.algorithm.output_len]  in as_ref()
260         write!(fmt, "{:?}:", self.algorithm)?;  in fmt()
265 /// A digest algorithm.
266 pub struct Algorithm {  struct
275     /// digest algorithm.
301 impl PartialEq for Algorithm {  argument
307 impl Eq for Algorithm {}  implementation
309 derive_debug_via_id!(Algorithm);
314 pub static SHA1_FOR_LEGACY_USE_ONLY: Algorithm = Algorithm {
339 pub static SHA256: Algorithm = Algorithm {
364 pub static SHA384: Algorithm = Algorithm {
389 pub static SHA512: Algorithm = Algorithm {
418 pub static SHA512_256: Algorithm = Algorithm {
454 /// The maximum block length (`Algorithm::block_len`) of all the algorithms in
458 /// The maximum output length (`Algorithm::output_len`) of all the algorithms
462 /// The maximum chaining length (`Algorithm::chaining_len`) of all the
534         fn max_input_test(alg: &'static digest::Algorithm) {  in max_input_test()  argument
541         fn too_long_input_test_block(alg: &'static digest::Algorithm) {  in too_long_input_test_block()  argument
548         fn too_long_input_test_byte(alg: &'static digest::Algorithm) {  in too_long_input_test_byte()  argument
556         fn nearly_full_context(alg: &'static digest::Algorithm) -> digest::Context {  in nearly_full_context()
566                     algorithm: alg,  in nearly_full_context()