feat(objectarium): implement MD5 hash algorithm

ccamel · ccamel · commit be4bb16c3139 · 2023-04-10T13:05:12.000+02:00
diff --git a/contracts/okp4-objectarium/src/contract.rs b/contracts/okp4-objectarium/src/contract.rs
@@ -364,6 +364,7 @@ pub mod query {
 impl From<state::HashAlgorithm> for crypto::HashAlgorithm {
     fn from(algorithm: state::HashAlgorithm) -> Self {
         match algorithm {
+            state::HashAlgorithm::MD5 => crypto::HashAlgorithm::MD5,
             state::HashAlgorithm::Sha224 => crypto::HashAlgorithm::Sha224,
             state::HashAlgorithm::Sha256 => crypto::HashAlgorithm::Sha256,
             state::HashAlgorithm::Sha384 => crypto::HashAlgorithm::Sha384,
diff --git a/contracts/okp4-objectarium/src/crypto.rs b/contracts/okp4-objectarium/src/crypto.rs
@@ -1,8 +1,11 @@
+use md5;
 use sha2;
 use sha2::Digest;
 
 /// HashAlgorithm is the type of the hash algorithm.
 pub enum HashAlgorithm {
+    /// Represents the MD5 algorithm.
+    MD5,
     /// Represents the SHA-224 algorithm.
     Sha224,
     /// Represents the SHA-256 algorithm.
@@ -17,6 +20,7 @@ impl HashAlgorithm {
     /// hash returns the hash of the given data using the given algorithm.
     pub fn hash_fn(&self) -> HashFn {
         match self {
+            HashAlgorithm::MD5 => md5_hash,
             HashAlgorithm::Sha224 => sha224_hash,
             HashAlgorithm::Sha256 => sha256_hash,
             HashAlgorithm::Sha384 => sha384_hash,
@@ -33,6 +37,11 @@ pub fn hash(algorithm: &HashAlgorithm, data: &Vec<u8>) -> String {
     algorithm.hash_fn()(data)
 }
 
+/// md5_hash returns the MD5 hash of the given data.
+pub fn md5_hash(data: &Vec<u8>) -> String {
+    base16ct::lower::encode_string(&md5::Md5::digest(data))
+}
+
 /// sha224_hash returns the SHA-224 hash of the given data.
 fn sha224_hash(data: &Vec<u8>) -> String {
     base16ct::lower::encode_string(&sha2::Sha224::digest(data))
diff --git a/contracts/okp4-objectarium/src/msg.rs b/contracts/okp4-objectarium/src/msg.rs
@@ -133,6 +133,8 @@ pub struct BucketResponse {
 #[cw_serde]
 #[derive(Copy)]
 pub enum HashAlgorithm {
+    /// Represents the MD5 algorithm.
+    MD5,
     /// Represents the SHA-224 algorithm.
     Sha224,
     /// Represents the SHA-256 algorithm.
diff --git a/contracts/okp4-objectarium/src/state.rs b/contracts/okp4-objectarium/src/state.rs
@@ -64,6 +64,8 @@ impl Bucket {
 /// supported for hashing the content of objects.
 #[derive(Serialize, Copy, Deserialize, Clone, Debug, PartialEq, Eq, JsonSchema)]
 pub enum HashAlgorithm {
+    /// Represents the MD5 algorithm.
+    MD5,
     /// Represents the SHA-224 algorithm.
     Sha224,
     /// Represents the SHA-256 algorithm.
@@ -83,6 +85,7 @@ impl Default for HashAlgorithm {
 impl From<msg::HashAlgorithm> for HashAlgorithm {
     fn from(algorithm: msg::HashAlgorithm) -> Self {
         match algorithm {
+            msg::HashAlgorithm::MD5 => HashAlgorithm::MD5,
             msg::HashAlgorithm::Sha224 => HashAlgorithm::Sha224,
             msg::HashAlgorithm::Sha256 => HashAlgorithm::Sha256,
             msg::HashAlgorithm::Sha384 => HashAlgorithm::Sha384,
@@ -94,6 +97,7 @@ impl From<msg::HashAlgorithm> for HashAlgorithm {
 impl From<HashAlgorithm> for msg::HashAlgorithm {
     fn from(algorithm: HashAlgorithm) -> Self {
         match algorithm {
+            HashAlgorithm::MD5 => msg::HashAlgorithm::MD5,
             HashAlgorithm::Sha224 => msg::HashAlgorithm::Sha224,
             HashAlgorithm::Sha256 => msg::HashAlgorithm::Sha256,
             HashAlgorithm::Sha384 => msg::HashAlgorithm::Sha384,
