15 //! SHA-2 and the legacy SHA-1 digest algorithm.
46     /// The context's algorithm.
47     pub algorithm: &'static Algorithm,  field
53     pub(crate) fn new(algorithm: &'static Algorithm) -> Self {  in new()
55             state: algorithm.initial_state,  in new()
57             algorithm,  in new()
64         let num_blocks = input.len() / self.algorithm.block_len;  in update()
65         assert_eq!(num_blocks * self.algorithm.block_len, input.len());  in update()
68                 (self.algorithm.block_data_order)(&mut self.state, input.as_ptr(), num_blocks);  in update()
78         let block_len = self.algorithm.block_len;  in finish()
86         if padding_pos > block_len - self.algorithm.len_len {  in finish()
89                 (self.algorithm.block_data_order)(&mut self.state, pending.as_ptr(), 1);  in finish()
110             (self.algorithm.block_data_order)(&mut self.state, pending.as_ptr(), 1);  in finish()
114             algorithm: self.algorithm,  in finish()
115             value: (self.algorithm.format_output)(self.state),  in finish()
147     pub fn new(algorithm: &'static Algorithm) -> Self {  in new()
149             block: BlockContext::new(algorithm),  in new()
167         let block_len = self.block.algorithm.block_len;  in update()
197         let block_len = self.block.algorithm.block_len;  in finish()
202     /// The algorithm that this context is using.
204     pub fn algorithm(&self) -> &'static Algorithm {  in algorithm()  argument
205         self.block.algorithm  in algorithm()
209 /// Returns the digest of `data` using the given digest algorithm.
224 pub fn digest(algorithm: &'static Algorithm, data: &[u8]) -> Digest {  in digest()  argument
225     let mut ctx = Context::new(algorithm);  in digest()
236     algorithm: &'static Algorithm,  field
240     /// The algorithm that was used to calculate the digest value.
242     pub fn algorithm(&self) -> &'static Algorithm {  in algorithm()  argument
243         self.algorithm  in algorithm()
251         &endian::as_byte_slice(as64)[..self.algorithm.output_len]  in as_ref()
257         write!(fmt, "{:?}:", self.algorithm)?;  in fmt()
262 /// A digest algorithm.
263 pub struct Algorithm {  struct
272     /// digest algorithm.
298 impl PartialEq for Algorithm {  implementation
304 impl Eq for Algorithm {}  implementation
306 derive_debug_via_id!(Algorithm);
311 pub static SHA1_FOR_LEGACY_USE_ONLY: Algorithm = Algorithm {
336 pub static SHA256: Algorithm = Algorithm {
361 pub static SHA384: Algorithm = Algorithm {
386 pub static SHA512: Algorithm = Algorithm {
415 pub static SHA512_256: Algorithm = Algorithm {
451 /// The maximum block length (`Algorithm::block_len`) of all the algorithms in
455 /// The maximum output length (`Algorithm::output_len`) of all the algorithms
459 /// The maximum chaining length (`Algorithm::chaining_len`) of all the
549         fn max_input_test(alg: &'static digest::Algorithm) {  in max_input_test()  argument
556         fn too_long_input_test_block(alg: &'static digest::Algorithm) {  in too_long_input_test_block()  argument
563         fn too_long_input_test_byte(alg: &'static digest::Algorithm) {  in too_long_input_test_byte()  argument
571         fn nearly_full_context(alg: &'static digest::Algorithm) -> digest::Context {  in nearly_full_context()
581                     algorithm: alg,  in nearly_full_context()