Merge pull request #389 from cmsd2/master

expose rsa from raw private key and rsa sign and verify

2 files changed, 199 insertions, 19 deletions

diff --git a/openssl/src/crypto/rsa.rs b/openssl/src/crypto/rsa.rs
index 6fcb5b07..021d450b 100644
--- a/openssl/src/crypto/rsa.rs
+++ b/openssl/src/crypto/rsa.rs
@@ -2,10 +2,11 @@ use ffi;
 use std::fmt;
 use ssl::error::{SslError, StreamError};
 use std::ptr;
-use std::io::{self, Read};
+use std::io::{self, Read, Write};
 
 use bn::BigNum;
 use bio::MemBio;
+use nid::Nid;
 
 pub struct RSA(*mut ffi::RSA);
 
@@ -28,6 +29,21 @@ impl RSA {
             Ok(RSA(rsa))
         }
     }
+    
+    pub fn from_private_components(n: BigNum, e: BigNum, d: BigNum, p: BigNum, q: BigNum, dp: BigNum, dq: BigNum, qi: BigNum) -> Result<RSA, SslError> {
+        unsafe {
+            let rsa = try_ssl_null!(ffi::RSA_new());
+            (*rsa).n = n.into_raw();
+            (*rsa).e = e.into_raw();
+            (*rsa).d = d.into_raw();
+            (*rsa).p = p.into_raw();
+            (*rsa).q = q.into_raw();
+            (*rsa).dmp1 = dp.into_raw();
+            (*rsa).dmq1 = dq.into_raw();
+            (*rsa).iqmp = qi.into_raw();
+            Ok(RSA(rsa))
+        }
+    }
 
     /// the caller should assert that the rsa pointer is valid.
     pub unsafe fn from_raw(rsa: *mut ffi::RSA) -> RSA {
@@ -49,6 +65,25 @@ impl RSA {
             Ok(RSA(rsa))
         }
     }
+    
+    /// Writes an RSA private key as unencrypted PEM formatted data
+    pub fn private_key_to_pem<W>(&self, writer: &mut W) -> Result<(), SslError>
+    where W: Write
+    {
+         let mut mem_bio = try!(MemBio::new());
+         
+         let result = unsafe {
+             ffi::PEM_write_bio_RSAPrivateKey(mem_bio.get_handle(), self.0, ptr::null(), ptr::null_mut(), 0, None, ptr::null_mut())
+         };
+         
+         if result == 1 {
+             try!(io::copy(&mut mem_bio, writer).map_err(StreamError));
+         
+             Ok(())
+         } else {
+             Err(SslError::OpenSslErrors(vec![]))
+         }
+    }
 
     /// Reads an RSA public key from PEM formatted data.
     pub fn public_key_from_pem<R>(reader: &mut R) -> Result<RSA, SslError>
@@ -65,6 +100,60 @@ impl RSA {
             Ok(RSA(rsa))
         }
     }
+    
+    /// Writes an RSA public key as PEM formatted data
+    pub fn public_key_to_pem<W>(&self, writer: &mut W) -> Result<(), SslError>
+    where W: Write
+    {
+         let mut mem_bio = try!(MemBio::new());
+         
+         let result = unsafe {
+             ffi::PEM_write_bio_RSA_PUBKEY(mem_bio.get_handle(), self.0)
+         };
+         
+         if result == 1 {
+             try!(io::copy(&mut mem_bio, writer).map_err(StreamError));
+         
+             Ok(())
+         } else {
+             Err(SslError::OpenSslErrors(vec![]))
+         }
+    }
+    
+    pub fn size(&self) -> Result<u32, SslError> {
+        if self.has_n() {
+            unsafe {
+                Ok(ffi::RSA_size(self.0) as u32)
+            }
+        } else {
+            Err(SslError::OpenSslErrors(vec![]))
+        }
+    }
+    
+    pub fn sign(&self, hash_id: Nid, message: &[u8]) -> Result<Vec<u8>, SslError> {
+        let k_len = try!(self.size());
+        let mut sig = vec![0;k_len as usize];
+        let mut sig_len = k_len;
+        
+        unsafe {
+            let result = ffi::RSA_sign(hash_id as i32, message.as_ptr(), message.len() as u32, sig.as_mut_ptr(), &mut sig_len, self.0);
+            assert!(sig_len == k_len);
+            
+            if result == 1 {
+                Ok(sig)
+            } else {
+                Err(SslError::OpenSslErrors(vec![]))
+            }
+        }
+    }
+    
+    pub fn verify(&self, hash_id: Nid, message: &[u8], sig: &[u8]) -> Result<bool, SslError> {
+        unsafe {
+            let result = ffi::RSA_verify(hash_id as i32, message.as_ptr(), message.len() as u32, sig.as_ptr(), sig.len() as u32, self.0);
+            
+            Ok(result == 1)
+        }
+    }    
 
     pub fn as_ptr(&self) -> *mut ffi::RSA {
         self.0
@@ -119,3 +208,72 @@ impl fmt::Debug for RSA {
         write!(f, "RSA")
     }
 }
+
+#[cfg(test)]
+mod test {
+    use nid;
+    use std::fs::File;
+    use std::io::Write;
+    use super::*;
+    use crypto::hash::*;
+    
+    fn signing_input_rs256() -> Vec<u8> {
+        vec![101, 121, 74, 104, 98, 71, 99, 105, 79, 105, 74, 83, 85, 122, 73,
+        49, 78, 105, 74, 57, 46, 101, 121, 74, 112, 99, 51, 77, 105, 79, 105,
+        74, 113, 98, 50, 85, 105, 76, 65, 48, 75, 73, 67, 74, 108, 101, 72,
+        65, 105, 79, 106, 69, 122, 77, 68, 65, 52, 77, 84, 107, 122, 79, 68,
+        65, 115, 68, 81, 111, 103, 73, 109, 104, 48, 100, 72, 65, 54, 76,
+        121, 57, 108, 101, 71, 70, 116, 99, 71, 120, 108, 76, 109, 78, 118,
+        98, 83, 57, 112, 99, 49, 57, 121, 98, 50, 57, 48, 73, 106, 112, 48,
+        99, 110, 86, 108, 102, 81]
+    }
+   
+    fn signature_rs256() -> Vec<u8> {
+        vec![112, 46, 33, 137, 67, 232, 143, 209, 30, 181, 216, 45, 191, 120, 69,
+        243, 65, 6, 174, 27, 129, 255, 247, 115, 17, 22, 173, 209, 113, 125,
+        131, 101, 109, 66, 10, 253, 60, 150, 238, 221, 115, 162, 102, 62, 81,
+        102, 104, 123, 0, 11, 135, 34, 110, 1, 135, 237, 16, 115, 249, 69,
+        229, 130, 173, 252, 239, 22, 216, 90, 121, 142, 232, 198, 109, 219,
+        61, 184, 151, 91, 23, 208, 148, 2, 190, 237, 213, 217, 217, 112, 7,
+        16, 141, 178, 129, 96, 213, 248, 4, 12, 167, 68, 87, 98, 184, 31,
+        190, 127, 249, 217, 46, 10, 231, 111, 36, 242, 91, 51, 187, 230, 244,
+        74, 230, 30, 177, 4, 10, 203, 32, 4, 77, 62, 249, 18, 142, 212, 1,
+        48, 121, 91, 212, 189, 59, 65, 238, 202, 208, 102, 171, 101, 25, 129,
+        253, 228, 141, 247, 127, 55, 45, 195, 139, 159, 175, 221, 59, 239,
+        177, 139, 93, 163, 204, 60, 46, 176, 47, 158, 58, 65, 214, 18, 202,
+        173, 21, 145, 18, 115, 160, 95, 35, 185, 232, 56, 250, 175, 132, 157,
+        105, 132, 41, 239, 90, 30, 136, 121, 130, 54, 195, 212, 14, 96, 69,
+        34, 165, 68, 200, 242, 122, 122, 45, 184, 6, 99, 209, 108, 247, 202,
+        234, 86, 222, 64, 92, 178, 33, 90, 69, 178, 194, 85, 102, 181, 90,
+        193, 167, 72, 160, 112, 223, 200, 163, 42, 70, 149, 67, 208, 25, 238,
+        251, 71]
+   }
+   
+    #[test]
+    pub fn test_sign() {
+        let mut buffer = File::open("test/rsa.pem").unwrap();
+        let private_key = RSA::private_key_from_pem(&mut buffer).unwrap();
+        
+        let mut sha = Hasher::new(Type::SHA256);
+        sha.write_all(&signing_input_rs256()).unwrap();
+        let digest = sha.finish();
+        
+        let result = private_key.sign(nid::Nid::SHA256, &digest).unwrap();
+        
+        assert_eq!(result, signature_rs256());
+    }
+     
+    #[test]
+    pub fn test_verify() {        
+        let mut buffer = File::open("test/rsa.pem.pub").unwrap();
+        let public_key = RSA::public_key_from_pem(&mut buffer).unwrap();
+        
+        let mut sha = Hasher::new(Type::SHA256);
+        sha.write_all(&signing_input_rs256()).unwrap();
+        let digest = sha.finish();
+        
+        let result = public_key.verify(nid::Nid::SHA256, &digest, &signature_rs256()).unwrap();
+        
+        assert!(result);
+    }
+}
\ No newline at end of file
diff --git a/openssl/src/nid.rs b/openssl/src/nid.rs
index bfcae15a..21ef18e0 100644
--- a/openssl/src/nid.rs
+++ b/openssl/src/nid.rs
@@ -2,7 +2,7 @@
 #[derive(Copy, Clone, Hash, PartialEq, Eq)]
 #[repr(usize)]
 pub enum Nid {
-    Undefined,
+    Undefined, // 0
     Rsadsi,
     Pkcs,
     MD2,
@@ -12,7 +12,7 @@ pub enum Nid {
     RsaEncryption,
     RSA_MD2,
     RSA_MD5,
-    PBE_MD2_DES,
+    PBE_MD2_DES, // 10
     X500,
     x509,
     CN,
@@ -22,7 +22,7 @@ pub enum Nid {
     O,
     OU,
     RSA,
-    Pkcs7,
+    Pkcs7, // 20
     Pkcs7_data,
     Pkcs7_signedData,
     Pkcs7_envelopedData,
@@ -32,7 +32,7 @@ pub enum Nid {
     Pkcs3,
     DhKeyAgreement,
     DES_ECB,
-    DES_CFB,
+    DES_CFB, // 30
     DES_CBC,
     DES_EDE,
     DES_EDE3,
@@ -42,7 +42,7 @@ pub enum Nid {
     RC2_CBC,
     RC2_ECB,
     RC2_CFB,
-    RC2_OFB,
+    RC2_OFB, // 40
     SHA,
     RSA_SHA,
     DES_EDE_CBC,
@@ -52,7 +52,7 @@ pub enum Nid {
     Pkcs9,
     Email,
     UnstructuredName,
-    ContentType,
+    ContentType, // 50
     MessageDigest,
     SigningTime,
     CounterSignature,
@@ -62,7 +62,7 @@ pub enum Nid {
     Netscape,
     NetscapeCertExtention,
     NetscapeDatatype,
-    DES_EDE_CFB64,
+    DES_EDE_CFB64, // 60
     DES_EDE3_CFB64,
     DES_EDE_OFB64,
     DES_EDE3_OFB64,
@@ -72,7 +72,7 @@ pub enum Nid {
     DSA_OLD,
     PBE_SHA1_RC2_64,
     PBKDF2,
-    DSA_SHA1_OLD,
+    DSA_SHA1_OLD, // 70
     NetscapeCertType,
     NetscapeBaseUrl,
     NetscapeRevocationUrl,
@@ -82,7 +82,7 @@ pub enum Nid {
     NetscapeSSLServerName,
     NetscapeComment,
     NetscapeCertSequence,
-    DESX_CBC,
+    DESX_CBC, // 80
     ID_CE,
     SubjectKeyIdentifier,
     KeyUsage,
@@ -92,7 +92,7 @@ pub enum Nid {
     BasicConstraints,
     CrlNumber,
     CertificatePolicies,
-    AuthorityKeyIdentifier,
+    AuthorityKeyIdentifier, // 90
     BF_CBC,
     BF_ECB,
     BF_CFB,
@@ -102,7 +102,7 @@ pub enum Nid {
     RC4_40,
     RC2_40_CBC,
     G,
-    S,
+    S, // 100
     I,
     /// uniqueIdentifier
     UID,
@@ -113,7 +113,7 @@ pub enum Nid {
     D,
     CAST5_CBC,
     CAST5_ECB,
-    CAST5_CFB,
+    CAST5_CFB, // 110
     CAST5_OFB,
     PbeWithMD5AndCast5CBC,
     DSA_SHA1,
@@ -123,7 +123,7 @@ pub enum Nid {
     RIPEMD160,
     // 118 missing
     RSA_RIPEMD160 = 119,
-    RC5_CBC,
+    RC5_CBC, // 120
     RC5_ECB,
     RC5_CFB,
     RC5_OFB,
@@ -133,7 +133,7 @@ pub enum Nid {
     PKIX,
     ID_KP,
     ServerAuth,
-    ClientAuth,
+    ClientAuth, // 130
     CodeSigning,
     EmailProtection,
     TimeStamping,
@@ -143,7 +143,7 @@ pub enum Nid {
     MsSGC,
     MsEFS,
     NsSGC,
-    DeltaCRL,
+    DeltaCRL, // 140
     CRLReason,
     InvalidityDate,
     SXNetID,
@@ -153,7 +153,7 @@ pub enum Nid {
     PBE_SHA1_2DES,
     PBE_SHA1_RC2_128,
     PBE_SHA1_RC2_40,
-    KeyBag,
+    KeyBag, // 150
     Pkcs8ShroudedKeyBag,
     CertBag,
     CrlBag,
@@ -163,7 +163,7 @@ pub enum Nid {
     LocalKeyID,
     X509Certificate,
     SdsiCertificate,
-    X509Crl,
+    X509Crl, // 160
     PBES2,
     PBMAC1,
     HmacWithSha1,
@@ -171,6 +171,28 @@ pub enum Nid {
     ID_QT_UNOTICE,
     RC2_64_CBC,
     SMIMECaps,
+    PBE_MD2_RC2_64,
+    PBE_MD5_RC2_64,
+    PBE_SHA1_DES,
+    MicrosoftExtensionRequest,
+    ExtensionRequest,
+    Name,
+    DnQualifier,
+    IdPe,
+    IdAd,
+    AuthorityInfoAccess,
+    OCSP,
+    CaIssuers,
+    OCSPSigning, // 180
+    
+    // 181 and up are from openssl's obj_mac.h
+
+
     /// Shown as UID in cert subject
-    UserId = 458
+    UserId = 458,
+
+    
+    SHA256 = 672,
+    SHA384,
+    SHA512,
 }