From 36e5e050c072535f1fa9ee3daaa3497ab2cc0bf5 Mon Sep 17 00:00:00 2001
From: ccamel <camel.christophe@gmail.com>
Date: Sun, 9 Apr 2023 19:36:14 +0200
Subject: [PATCH] feat(objectarium): implement SHA-384 hash algorithm

---
 contracts/okp4-objectarium/src/contract.rs |  1 +
 contracts/okp4-objectarium/src/crypto.rs   | 10 +++++++++-
 contracts/okp4-objectarium/src/msg.rs      |  2 ++
 contracts/okp4-objectarium/src/state.rs    |  4 ++++
 4 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/contracts/okp4-objectarium/src/contract.rs b/contracts/okp4-objectarium/src/contract.rs
index 975f9ca3..0e2aa76f 100644
--- a/contracts/okp4-objectarium/src/contract.rs
+++ b/contracts/okp4-objectarium/src/contract.rs
@@ -365,6 +365,7 @@ impl From<state::HashAlgorithm> for crypto::HashAlgorithm {
     fn from(algorithm: state::HashAlgorithm) -> Self {
         match algorithm {
             state::HashAlgorithm::Sha256 => crypto::HashAlgorithm::Sha256,
+            state::HashAlgorithm::Sha384 => crypto::HashAlgorithm::Sha384,
             state::HashAlgorithm::Sha512 => crypto::HashAlgorithm::Sha512,
         }
     }
diff --git a/contracts/okp4-objectarium/src/crypto.rs b/contracts/okp4-objectarium/src/crypto.rs
index 72ea043f..6d4113e7 100644
--- a/contracts/okp4-objectarium/src/crypto.rs
+++ b/contracts/okp4-objectarium/src/crypto.rs
@@ -1,9 +1,11 @@
-use sha2::{Digest, Sha256, Sha512};
+use sha2::{Digest, Sha256, Sha512, Sha384};
 
 /// HashAlgorithm is the type of the hash algorithm.
 pub enum HashAlgorithm {
     /// Represents the SHA-256 algorithm.
     Sha256,
+    /// Represents the SHA-384 algorithm.
+    Sha384,
     /// Represents the SHA-512 algorithm.
     Sha512,
 }
@@ -16,6 +18,7 @@ pub type HashFn = fn(&Vec<u8>) -> String;
 pub fn hash(algorithm: &HashAlgorithm, data: &Vec<u8>) -> String {
     let hash_fn = match algorithm {
         HashAlgorithm::Sha256 => sha256_hash,
+        HashAlgorithm::Sha384 => sha384_hash,
         HashAlgorithm::Sha512 => sha512_hash,
     };
     hash_fn(data)
@@ -26,6 +29,11 @@ fn sha256_hash(data: &Vec<u8>) -> String {
     base16ct::lower::encode_string(&Sha256::digest(data))
 }
 
+/// sha384_hash returns the SHA-384 hash of the given data.
+fn sha384_hash(data: &Vec<u8>) -> String {
+    base16ct::lower::encode_string(&Sha384::digest(data))
+}
+
 /// sha512_hash returns the SHA-512 hash of the given data.
 fn sha512_hash(data: &Vec<u8>) -> String {
     base16ct::lower::encode_string(&Sha512::digest(data))
diff --git a/contracts/okp4-objectarium/src/msg.rs b/contracts/okp4-objectarium/src/msg.rs
index 2ba5a210..f944fb3b 100644
--- a/contracts/okp4-objectarium/src/msg.rs
+++ b/contracts/okp4-objectarium/src/msg.rs
@@ -135,6 +135,8 @@ pub struct BucketResponse {
 pub enum HashAlgorithm {
     /// Represents the SHA-256 algorithm.
     Sha256,
+    /// Represents the SHA-384 algorithm.
+    Sha384,
     /// Represents the SHA-512 algorithm.
     Sha512,
 }
diff --git a/contracts/okp4-objectarium/src/state.rs b/contracts/okp4-objectarium/src/state.rs
index 0c3b1377..65f09d6d 100644
--- a/contracts/okp4-objectarium/src/state.rs
+++ b/contracts/okp4-objectarium/src/state.rs
@@ -66,6 +66,8 @@ impl Bucket {
 pub enum HashAlgorithm {
     /// Represents the SHA-256 algorithm.
     Sha256,
+    /// Represents the SHA-384 algorithm.
+    Sha384,
     /// Represents the SHA-512 algorithm.
     Sha512,
 }
@@ -80,6 +82,7 @@ impl From<msg::HashAlgorithm> for HashAlgorithm {
     fn from(algorithm: msg::HashAlgorithm) -> Self {
         match algorithm {
             msg::HashAlgorithm::Sha256 => HashAlgorithm::Sha256,
+            msg::HashAlgorithm::Sha384 => HashAlgorithm::Sha384,
             msg::HashAlgorithm::Sha512 => HashAlgorithm::Sha512,
         }
     }
@@ -89,6 +92,7 @@ impl From<HashAlgorithm> for msg::HashAlgorithm {
     fn from(algorithm: HashAlgorithm) -> Self {
         match algorithm {
             HashAlgorithm::Sha256 => msg::HashAlgorithm::Sha256,
+            HashAlgorithm::Sha384 => msg::HashAlgorithm::Sha384,
             HashAlgorithm::Sha512 => msg::HashAlgorithm::Sha512,
         }
     }