| usingSystem; |
| usingSystem.Security.Cryptography; |
| usingSystem.Text; |
| namespaceAesExample |
| { |
| classProgram |
| { |
| privateconststringORIGINAL='this is some data to encrypt'; |
| privateconststringSAMPLE_KEY='gCjK+DZ/GCYbKIGiAt1qCA'; |
| privateconststringSAMPLE_IV='47l5QsSe1POo31adQ/u7nQ'; |
| staticvoidMain(string[] args) |
| { |
| //Aes aes = new Aes(); //생성자에 arguments가 없으면 key와 iv 자동생성 |
| Aesaes=newAes(SAMPLE_KEY, SAMPLE_IV); |
| Console.WriteLine('ORIGINAL:'+ORIGINAL); |
| Console.WriteLine('KEY:'+aes.GetKey()); |
| Console.WriteLine('IV:'+aes.GetIV()); |
| /*string->byte->string*/ |
| Console.WriteLine('Example for: string->byte->string'); |
| byte[] encryptedBlock=aes.EncryptToByte(ORIGINAL); //original text 를 암호화된 byte 배열로 변환 |
| stringdecryptedString=aes.Decrypt(encryptedBlock); //암호화된 byte 배열을 original text로 복호화 |
| Console.WriteLine(decryptedString); |
| /*string->base64->string*/ |
| Console.WriteLine('Example for: string->base64->string'); |
| stringencryptedBase64String=aes.EncryptToBase64String(ORIGINAL); //original text를 암호화된 base64 string으로 변환 |
| decryptedString=aes.DecryptFromBase64String(encryptedBase64String); //암호호된 base64 string을 original text로 복호화 |
| Console.WriteLine(encryptedBase64String); |
| Console.WriteLine(decryptedString); |
| Console.ReadLine(); |
| } |
| } |
| classAes |
| { |
| privatestaticRijndaelManagedrijndael=newRijndaelManaged(); |
| privatestatic System.Text.UnicodeEncodingunicodeEncoding=newUnicodeEncoding(); |
| privateconstintCHUNK_SIZE=128; |
| privatevoidInitializeRijndael() |
| { |
| rijndael.Mode=CipherMode.CBC; |
| rijndael.Padding=PaddingMode.PKCS7; |
| } |
| publicAes() |
| { |
| InitializeRijndael(); |
| rijndael.KeySize=CHUNK_SIZE; |
| rijndael.BlockSize=CHUNK_SIZE; |
| rijndael.GenerateKey(); |
| rijndael.GenerateIV(); |
| } |
| publicAes(Stringbase64key, Stringbase64iv) |
| { |
| InitializeRijndael(); |
| rijndael.Key=Convert.FromBase64String(base64key); |
| rijndael.IV=Convert.FromBase64String(base64iv); |
| } |
| publicAes(byte[] key, byte[] iv) |
| { |
| InitializeRijndael(); |
| rijndael.Key=key; |
| rijndael.IV=iv; |
| } |
| publicstringDecrypt(byte[] cipher) |
| { |
| ICryptoTransformtransform=rijndael.CreateDecryptor(); |
| byte[] decryptedValue=transform.TransformFinalBlock(cipher, 0, cipher.Length); |
| returnunicodeEncoding.GetString(decryptedValue); |
| } |
| publicstringDecryptFromBase64String(stringbase64cipher) |
| { |
| returnDecrypt(Convert.FromBase64String(base64cipher)); |
| } |
| publicbyte[] EncryptToByte(stringplain) |
| { |
| ICryptoTransformencryptor=rijndael.CreateEncryptor(); |
| byte[] cipher=unicodeEncoding.GetBytes(plain); |
| byte[] encryptedValue=encryptor.TransformFinalBlock(cipher, 0, cipher.Length); |
| returnencryptedValue; |
| } |
| publicstringEncryptToBase64String(stringplain) |
| { |
| returnConvert.ToBase64String(EncryptToByte(plain)); |
| } |
| publicstringGetKey() |
| { |
| returnConvert.ToBase64String(rijndael.Key); |
| } |
| publicstringGetIV() |
| { |
| returnConvert.ToBase64String(rijndael.IV); |
| } |
| publicoverridestringToString() |
| { |
| return'KEY:'+GetKey() +Environment.NewLine+'IV:'+GetIV(); |
| } |
| } |
| } |
Aug 27, 2019 How to Find Decryption Key for Files Encrypted by Ransomware, by Ventsislav Krastev. Make sure to inspect the information carefully and look for keywords that give away the encryption keys, like encrypted, RSA, AES, etc. Take your time and check the packets’ size, make sure that they are similar to the size of a key file.
commented Nov 1, 2019
Hi, Aug 23, 2012 I'm using MPEG Streamclip 1.9.3b8 on OSX 10.11.1 (El Capitan) and it works perfectly. I use it often when capturing old analog sources via a DV converter device, to trim the final clips and re-join them. I do the same with MPEG-2 often as well. Thank you Squared5 for this constant in my life!:).EDIT: I neglected to mention something important. Feb 09, 2017 Apple Footer. This site contains user submitted content, comments and opinions and is for informational purposes only. Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic forum and Apple can therefore provide no guarantee as to the. Audio can be converted to uncompressed or to IMA, AAC, MP2 or AMR using the high-quality MP1/MP2/AC3/PCM built-in decoders of MPEG Streamclip; it is also kept in perfect sync with video using a timekeeping system. MPEG Streamclip can save edited movies as MOV files, and (when possible) as AVI or MP4 files. QuickTimempeg2 Sierra, Smart Sierra, Yosemite MPEG2 to QuickTime converter to convert download upload MPEG2 video files to QuickTime format with Best QuickTime movie Quality for Sierra, YosemiteMoutain Lion, Lion, mac os x. Import Homemade or Commercial DVD to iMovie on Mac El Capitan May 04. Use it to install the MPEG-2 Playback Component in Lion. The original installer's disk image (QuickTimeMPEG2.dmg) is required. How to Rip commercial DVDs for iMovie Importing and Editing on El Capitan. https://burtanubi.tistory.com/10. Great code! I would love to use it in my project. Thanks, |
commented Nov 2, 2019
Hey It's just an example code. You can use it whatever you want regardless of the license. Thanks, |
Utility to find AES keys in running process memory. Works for 128, 192 and 256-bit keys.
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Usage
Open aes-finder.sln solution in Visual Studio 2013 to compile source. Alternatively use gcc/clang:
To search for keys in process with id = 123, execute following: Os x version 10.10 download.
To search for keys in any process with name chrome.exe, execute following:
Now you can see what kind of AES keys are used in your favorite application!
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Putty
Dropbox
Chrome
Python + PyCrypto
sshd on Linux
iTunes on Mac OS X
Notes
- does not work on whitebox AES keys
- 32-bit binary can search only in 32-bit processes, 64-bit binary can search in both - 32 and 64-bit ones
- 'encryption key' means that this key can be used for encryption or decryption
- 'decryption key' means that this key most likely is used only for decryption
- on Linux requires at least v3.2 kernel (process_vm_readv syscall)
How To Get Aes Decryption Key From Dmg File
License
Aes Decryption Algorithm
Public Domain. Do whatever you want!