types: use simple_asn1 crate for OIDs

Cargo.toml

@@ -10,20 +10,18 @@ categories = ["cryptography", "parser-implementations"]
 license = "Apache-2.0"
 
 [dependencies]
+simple_asn1 = "0.1"
 byteorder = "1.2"
 digest = "0.7"
 failure = "0.1"
 failure_derive = "0.1"
 gcrypt = "0.5"
 md-5 = "0.7"
+num = "0.1.40"
 ripemd160 = "0.7"
 sha-1 = "0.7"
 sha2 = "0.7"
 
-[dependencies.asn1]
-git = "https://github.com/csssuf/rust-asn1"
-branch = "null"
-
 [dependencies.nom]
 version = "^3.2"
 features = ["verbose-errors"]

src/lib.rs

@@ -17,7 +17,8 @@
 //! [`Packet::to_bytes`]: enum.Packet.html#method.to_bytes
 //! [`Packet::from_bytes`]: enum.Packet.html#method.from_bytes
 //! [`SignaturePacket`]: struct.SignaturePacket.html
-extern crate asn1;
+#[macro_use]
+extern crate simple_asn1;
 extern crate byteorder;
 extern crate digest;
 #[macro_use]
@@ -28,6 +29,7 @@ extern crate gcrypt;
 extern crate md5;
 #[macro_use]
 extern crate nom;
+extern crate num;
 extern crate ripemd160;
 extern crate sha1;
 extern crate sha2;

src/types.rs

@@ -1,6 +1,7 @@
-use asn1::ObjectIdentifier;
+use simple_asn1::OID;
 use digest::Digest;
 use failure::Error;
+use num::BigUint;
 
 /// Type for public key algorithms supported by OpenPGP.
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]
@@ -101,20 +102,19 @@ macro_rules! hash {
 }
 
 impl HashAlgorithm {
-    pub fn asn1_oid(&self) -> Result<ObjectIdentifier, Error> {
-        let oid_vec = match *self {
-            HashAlgorithm::Md5 => vec![1, 2, 840, 113549, 2, 5],
-            HashAlgorithm::Sha1 => vec![1, 3, 14, 3, 2, 26],
-            HashAlgorithm::Ripemd160 => vec![1, 3, 36, 3, 2, 1],
-            HashAlgorithm::Sha256 => vec![2, 16, 840, 1, 101, 3, 4, 2, 1],
-            HashAlgorithm::Sha384 => vec![2, 16, 840, 1, 101, 3, 4, 2, 2],
-            HashAlgorithm::Sha512 => vec![2, 16, 840, 1, 101, 3, 4, 2, 3],
-            HashAlgorithm::Sha224 => vec![2, 16, 840, 1, 101, 3, 4, 2, 4],
+    pub fn asn1_oid(&self) -> Result<OID, Error> {
+        let oid = match *self {
+            HashAlgorithm::Md5 => oid![1, 2, 840, 113549, 2, 5],
+            HashAlgorithm::Sha1 => oid![1, 3, 14, 3, 2, 26],
+            HashAlgorithm::Ripemd160 => oid![1, 3, 36, 3, 2, 1],
+            HashAlgorithm::Sha256 => oid![2, 16, 840, 1, 101, 3, 4, 2, 1],
+            HashAlgorithm::Sha384 => oid![2, 16, 840, 1, 101, 3, 4, 2, 2],
+            HashAlgorithm::Sha512 => oid![2, 16, 840, 1, 101, 3, 4, 2, 3],
+            HashAlgorithm::Sha224 => oid![2, 16, 840, 1, 101, 3, 4, 2, 4],
             HashAlgorithm::Unknown => bail!(AlgorithmError::HashAlgorithmError),
         };
 
-        ObjectIdentifier::new(oid_vec)
-            .ok_or(AlgorithmError::HashAlgorithmError.into())
+        Ok(oid)
     }
 
     pub fn hash<T: AsRef<[u8]>>(&self, contents: T) -> Result<Vec<u8>, Error> {