61 lines
1.5 KiB
Rust
61 lines
1.5 KiB
Rust
//! Deprecated in favor of [`hazmat`](crate::hazmat)
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pub use crate::{BLOCK_LEN, CHUNK_LEN};
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#[derive(Clone, Debug)]
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pub struct ChunkState(crate::ChunkState);
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impl ChunkState {
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// Currently this type only supports the regular hash mode. If an
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// incremental user needs keyed_hash or derive_key, we can add that.
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pub fn new(chunk_counter: u64) -> Self {
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Self(crate::ChunkState::new(
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crate::IV,
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chunk_counter,
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0,
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crate::platform::Platform::detect(),
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))
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}
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#[inline]
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pub fn len(&self) -> usize {
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self.0.count()
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}
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#[inline]
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pub fn update(&mut self, input: &[u8]) -> &mut Self {
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self.0.update(input);
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self
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}
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pub fn finalize(&self, is_root: bool) -> crate::Hash {
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let output = self.0.output();
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if is_root {
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output.root_hash()
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} else {
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output.chaining_value().into()
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}
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}
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}
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// As above, this currently assumes the regular hash mode. If an incremental
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// user needs keyed_hash or derive_key, we can add that.
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pub fn parent_cv(
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left_child: &crate::Hash,
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right_child: &crate::Hash,
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is_root: bool,
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) -> crate::Hash {
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let output = crate::parent_node_output(
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left_child.as_bytes(),
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right_child.as_bytes(),
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crate::IV,
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0,
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crate::platform::Platform::detect(),
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);
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if is_root {
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output.root_hash()
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} else {
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output.chaining_value().into()
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}
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}
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