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Diffstat (limited to 'Emby.Server.Implementations/Cryptography/X509Builder.cs')
| -rw-r--r-- | Emby.Server.Implementations/Cryptography/X509Builder.cs | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/Emby.Server.Implementations/Cryptography/X509Builder.cs b/Emby.Server.Implementations/Cryptography/X509Builder.cs deleted file mode 100644 index a2e292350..000000000 --- a/Emby.Server.Implementations/Cryptography/X509Builder.cs +++ /dev/null @@ -1,153 +0,0 @@ -// -// X509Builder.cs: Abstract builder class for X509 objects -// -// Author: -// Sebastien Pouliot <sebastien@ximian.com> -// -// (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com) -// (C) 2004 Novell (http://www.novell.com) -// - -// -// Permission is hereby granted, free of charge, to any person obtaining -// a copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to -// permit persons to whom the Software is furnished to do so, subject to -// the following conditions: -// -// The above copyright notice and this permission notice shall be -// included in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND -// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE -// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION -// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION -// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -// - -using System; -using System.Globalization; -using System.Security.Cryptography; - -namespace Emby.Server.Core.Cryptography -{ - - public abstract class X509Builder { - - private const string defaultHash = "SHA1"; - private string hashName; - - protected X509Builder () - { - hashName = defaultHash; - } - - protected abstract ASN1 ToBeSigned (string hashName); - - // move to PKCS1 - protected string GetOid (string hashName) - { - switch (hashName.ToLower (CultureInfo.InvariantCulture)) { - case "md2": - // md2withRSAEncryption (1 2 840 113549 1 1 2) - return "1.2.840.113549.1.1.2"; - case "md4": - // md4withRSAEncryption (1 2 840 113549 1 1 3) - return "1.2.840.113549.1.1.3"; - case "md5": - // md5withRSAEncryption (1 2 840 113549 1 1 4) - return "1.2.840.113549.1.1.4"; - case "sha1": - // sha1withRSAEncryption (1 2 840 113549 1 1 5) - return "1.2.840.113549.1.1.5"; - case "sha256": - // sha256WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 11 } - return "1.2.840.113549.1.1.11"; - case "sha384": - // sha384WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 12 } - return "1.2.840.113549.1.1.12"; - case "sha512": - // sha512WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 13 } - return "1.2.840.113549.1.1.13"; - default: - throw new NotSupportedException ("Unknown hash algorithm " + hashName); - } - } - - public string Hash { - get { return hashName; } - set { - if (hashName == null) - hashName = defaultHash; - else - hashName = value; - } - } - - public virtual byte[] Sign (AsymmetricAlgorithm aa) - { - if (aa is RSA) - return Sign (aa as RSA); - else if (aa is DSA) - return Sign (aa as DSA); - else - throw new NotSupportedException ("Unknown Asymmetric Algorithm " + aa.ToString()); - } - - private byte[] Build (ASN1 tbs, string hashoid, byte[] signature) - { - ASN1 builder = new ASN1 (0x30); - builder.Add (tbs); - builder.Add (PKCS7.AlgorithmIdentifier (hashoid)); - // first byte of BITSTRING is the number of unused bits in the first byte - byte[] bitstring = new byte [signature.Length + 1]; - Buffer.BlockCopy (signature, 0, bitstring, 1, signature.Length); - builder.Add (new ASN1 (0x03, bitstring)); - return builder.GetBytes (); - } - - public virtual byte[] Sign (RSA key) - { - string oid = GetOid (hashName); - ASN1 tbs = ToBeSigned (oid); - HashAlgorithm ha = HashAlgorithm.Create (hashName); - byte[] hash = ha.ComputeHash (tbs.GetBytes ()); - - RSAPKCS1SignatureFormatter pkcs1 = new RSAPKCS1SignatureFormatter (key); - pkcs1.SetHashAlgorithm (hashName); - byte[] signature = pkcs1.CreateSignature (hash); - - return Build (tbs, oid, signature); - } - - public virtual byte[] Sign (DSA key) - { - string oid = "1.2.840.10040.4.3"; - ASN1 tbs = ToBeSigned (oid); - HashAlgorithm ha = HashAlgorithm.Create (hashName); - if (!(ha is SHA1)) - throw new NotSupportedException ("Only SHA-1 is supported for DSA"); - byte[] hash = ha.ComputeHash (tbs.GetBytes ()); - - DSASignatureFormatter dsa = new DSASignatureFormatter (key); - dsa.SetHashAlgorithm (hashName); - byte[] rs = dsa.CreateSignature (hash); - - // split R and S - byte[] r = new byte [20]; - Buffer.BlockCopy (rs, 0, r, 0, 20); - byte[] s = new byte [20]; - Buffer.BlockCopy (rs, 20, s, 0, 20); - ASN1 signature = new ASN1 (0x30); - signature.Add (new ASN1 (0x02, r)); - signature.Add (new ASN1 (0x02, s)); - - // dsaWithSha1 (1 2 840 10040 4 3) - return Build (tbs, oid, signature.GetBytes ()); - } - } -} |