X-Git-Url: http://git.euphorik.ch/index.cgi?a=blobdiff_plain;ds=sidebyside;f=labo2-fsharp%2Flabo2-fsharp%2FCrypto.fs;fp=labo2-fsharp%2Flabo2-fsharp%2FCrypto.fs;h=0000000000000000000000000000000000000000;hb=beda8d83dc421c479bdcf5ee626ec85ee8555a80;hp=d8377d11537fd916c8e2d26b4020c8b4eeb33b78;hpb=8ba0c13cac9a84ef690dd09b92b846e85b7b02dd;p=crypto_lab2.git

diff --git a/labo2-fsharp/labo2-fsharp/Crypto.fs b/labo2-fsharp/labo2-fsharp/Crypto.fs
deleted file mode 100644
index d8377d1..0000000
--- a/labo2-fsharp/labo2-fsharp/Crypto.fs
+++ /dev/null
@@ -1,82 +0,0 @@
-module Labo2.Crypto
-
-open System.Security.Cryptography
-open System.IO
-
-type Key = string
-type Data = byte[]
-
-let rsaKeySize = 2048
-
-let generate256Key : Key =
-    null
-
-/// Generate a new RSA key pair: (public * private).
-let generateRSAKeysPair : Key * Key =
-    use rsa = new RSACryptoServiceProvider (rsaKeySize)
-    try
-        rsa.ToXmlString false, rsa.ToXmlString true
-    finally
-        rsa.PersistKeyInCsp <- false
-
-let encryptRSA (publicKey : Key) (plaindata : Data) : Data =
-    use rsa = new RSACryptoServiceProvider (rsaKeySize)
-    try
-        rsa.FromXmlString publicKey
-        rsa.Encrypt (plaindata, false) // Uses PKCS#1 v1.5 padding.
-    finally
-        rsa.PersistKeyInCsp <- false
-
-let decryptRSA (privateKey : Key) (cipherdata : Data) : Data =
-    use rsa = new RSACryptoServiceProvider (rsaKeySize)
-    try
-        rsa.FromXmlString privateKey
-        rsa.Decrypt (cipherdata, false) // Uses PKCS#1 v1.5 padding.
-    finally
-        rsa.PersistKeyInCsp <- false
-
-/// Produces a signature from a given hash.
-let signRSA (privKey : Key) (sha256 : Data) : Data = 
-    use rsa = new RSACryptoServiceProvider (rsaKeySize)
-    try
-        rsa.FromXmlString privKey
-        rsa.SignHash (sha256, CryptoConfig.MapNameToOID "SHA256")
-    finally
-        rsa.PersistKeyInCsp <- false
-
-/// Verify a signature against a given hash.
-let verifySignRSA (pubKey : Key) (sha256 : Data) (signature : Data) : bool =
-    use rsa = new RSACryptoServiceProvider (rsaKeySize)
-    try
-        rsa.FromXmlString pubKey
-        rsa.VerifyHash (sha256, CryptoConfig.MapNameToOID "SHA256", signature)
-    finally
-        rsa.PersistKeyInCsp <- false
-
-let decryptAES (key : Key) (inputStream : Stream) (outputStream : Stream) =
-    ()
-
-open System.Text
-
-let testRSA = lazy (
-        let kpub, kpriv = generateRSAKeysPair
-        let plaintext = "Hello, World!"
-        printfn "plaintext: %A" plaintext
-        let cipherdata = encryptRSA kpub (Encoding.UTF8.GetBytes plaintext)
-        printfn "cipherdata: (size: %A) %A" cipherdata.Length cipherdata
-        let decryptedData = decryptRSA kpriv cipherdata
-        let decryptedText = Encoding.UTF8.GetString decryptedData
-        printfn "decryptedtext: %A" decryptedText
-        assert (plaintext = decryptedText)
-        printfn "testRSA OK"
-    )
-
-let testRSASignature = lazy (
-        let kpub, kpriv = generateRSAKeysPair
-        let plaintext = "Hello, World!"
-        let sha256 = new SHA256Managed ()
-        let signature = signRSA kpriv (sha256.ComputeHash (Encoding.UTF8.GetBytes plaintext))
-        assert verifySignRSA kpub (sha256.ComputeHash (Encoding.UTF8.GetBytes plaintext)) signature
-        assert not (verifySignRSA kpub (sha256.ComputeHash (Encoding.UTF8.GetBytes "Hello!")) signature)
-        printfn "testRSASignature OK"
-    )
\ No newline at end of file