feat: add sha-384 hashing

Signed-off-by: Richard Zak <richard@profian.com>
WebAssembly · Oct 7, 2022 · 043238f · 043238f
1 parent 54330b7
commit 043238f
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/implementations/hostcalls/rust/src/symmetric/mod.rs b/implementations/hostcalls/rust/src/symmetric/mod.rs
@@ -140,6 +140,7 @@ pub enum SymmetricAlgorithm {
     HkdfSha256Expand,
     HkdfSha512Expand,
     Sha256,
+    Sha384,
     Sha512,
     Sha512_256,
     Aes128Gcm,
@@ -162,6 +163,7 @@ impl TryFrom<&str> for SymmetricAlgorithm {
             "HMAC/SHA-256" => Ok(SymmetricAlgorithm::HmacSha256),
             "HMAC/SHA-512" => Ok(SymmetricAlgorithm::HmacSha512),
             "SHA-256" => Ok(SymmetricAlgorithm::Sha256),
+            "SHA-384" => Ok(SymmetricAlgorithm::Sha384),
             "SHA-512" => Ok(SymmetricAlgorithm::Sha512),
             "SHA-512/256" => Ok(SymmetricAlgorithm::Sha512_256),
             "AES-128-GCM" => Ok(SymmetricAlgorithm::Aes128Gcm),

diff --git a/implementations/hostcalls/rust/src/symmetric/sha2.rs b/implementations/hostcalls/rust/src/symmetric/sha2.rs
@@ -1,4 +1,4 @@
-use ::sha2::{Digest, Sha256, Sha512, Sha512_256};
+use ::sha2::{Digest, Sha256, Sha384, Sha512, Sha512_256};
 
 use super::state::*;
 use super::*;
@@ -7,6 +7,7 @@ use super::*;
 #[derive(Debug, Clone)]
 enum HashVariant {
     Sha256(Sha256),
+    Sha384(Sha384),
     Sha512(Sha512),
     Sha512_256(Sha512_256),
 }
@@ -32,6 +33,7 @@ impl Sha2SymmetricState {
         }
         let ctx = match alg {
             SymmetricAlgorithm::Sha256 => HashVariant::Sha256(Sha256::new()),
+            SymmetricAlgorithm::Sha384 => HashVariant::Sha384(Sha384::new()),
             SymmetricAlgorithm::Sha512 => HashVariant::Sha512(Sha512::new()),
             SymmetricAlgorithm::Sha512_256 => HashVariant::Sha512_256(Sha512_256::new()),
             _ => bail!(CryptoError::UnsupportedAlgorithm),
@@ -71,6 +73,7 @@ impl SymmetricStateLike for Sha2SymmetricState {
     fn absorb_unchecked(&mut self, data: &[u8]) -> Result<(), CryptoError> {
         match &mut self.ctx {
             HashVariant::Sha256(x) => x.update(data),
+            HashVariant::Sha384(x) => x.update(data),
             HashVariant::Sha512(x) => x.update(data),
             HashVariant::Sha512_256(x) => x.update(data),
         };
@@ -80,6 +83,7 @@ impl SymmetricStateLike for Sha2SymmetricState {
     fn squeeze_unchecked(&mut self, out: &mut [u8]) -> Result<(), CryptoError> {
         let raw = match &self.ctx {
             HashVariant::Sha256(x) => x.clone().finalize().to_vec(),
+            HashVariant::Sha384(x) => x.clone().finalize().to_vec(),
             HashVariant::Sha512(x) => x.clone().finalize().to_vec(),
             HashVariant::Sha512_256(x) => x.clone().finalize().to_vec(),
         };