1 files changed, 49 insertions, 0 deletions
diff --git a/ext/node/crypto/mod.rs b/ext/node/crypto/mod.rs
new file mode 100644
index 000000000..be92dc7ef
--- /dev/null
+++ b/ext/node/crypto/mod.rs
@@ -0,0 +1,49 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+use deno_core::error::type_error;
+use deno_core::error::AnyError;
+use deno_core::op;
+use deno_core::OpState;
+use deno_core::ResourceId;
+use deno_core::ZeroCopyBuf;
+use std::rc::Rc;
+
+mod digest;
+
+#[op]
+pub fn op_node_create_hash(
+  state: &mut OpState,
+  algorithm: String,
+) -> Result<ResourceId, AnyError> {
+  Ok(state.resource_table.add(digest::Context::new(&algorithm)?))
+}
+
+#[op]
+pub fn op_node_hash_update(
+  state: &mut OpState,
+  rid: ResourceId,
+  data: &[u8],
+) -> Result<(), AnyError> {
+  let context = state.resource_table.get::<digest::Context>(rid)?;
+  context.update(data);
+  Ok(())
+}
+
+#[op]
+pub fn op_node_hash_digest(
+  state: &mut OpState,
+  rid: ResourceId,
+) -> Result<ZeroCopyBuf, AnyError> {
+  let context = state.resource_table.take::<digest::Context>(rid)?;
+  let context = Rc::try_unwrap(context)
+    .map_err(|_| type_error("Hash context is already in use"))?;
+  Ok(context.digest()?.into())
+}
+
+#[op]
+pub fn op_node_hash_clone(
+  state: &mut OpState,
+  rid: ResourceId,
+) -> Result<ResourceId, AnyError> {
+  let context = state.resource_table.get::<digest::Context>(rid)?;
+  Ok(state.resource_table.add(context.as_ref().clone()))
+}