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CryptoTester
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CryptoTester Changelog **This program requires .NET Framework 4.6.1 or higher in order to run** ## [1.5.0.0] + Key Finder: + Added detection of truncated base64 keys + Added support for finding ASN.1 key blobs + Added support for finding ASN.1 key blobs as ASCII strings + Added support for finding raw public modulus and exponent as ASCII strings + Added custom round and constant support for ChaCha20 algorithm + Added "Edit Title" to window context menu - changes the title of the window + Added AES GCM block mode (GCM tag is expected to be appended to the ciphertext) + Added Custom padding mode (enter any single byte to use as padding) + Added option to compute hash of output during encrypt/decrypt + Added support for PEM private RSA PKCS#8 keys + Added ECDH-secp256k1, ECDH-ED25519, and Curve25119 key exchanges as derive functions (will ask for Other's Public Key) + Added ability for algorithms to change UI labels as appropriate (e.g. "Raw RSA" uses "Modulus" and "Exponent" instead of "Key" and "IV") + Added ability for algorithms to enable/disable supported key format radio buttons + Added ability for algorithms to accept no key (e.g. ROT13, CertUtilEncode) + Added AutoIT (MT) RNG algorithm + Added checkbox to toggle syncronized scrolling of hex views + Added support for "Drop N" to RC4 algorithm (parses as an integer string) + Added coloring of 0x00 bytes in hex views (dark gray) + Added Sosemanuk algorithm and unit test + Added CRC32 and MD4 hash algorithms + Added String Encoder tool - convert between ASCII/UTF8/UTF16 strings and bytes + Added export of public/private keys to clipboard in RSA Calculator + Added ASN.1 export to RSA Calculator + Added OAEP_SHA1, OAEP_SHA256, OAEP_384, and OAEP_512 padding modes (for RSA) + Added custom "Position" (Advanced -> Custom) to manually set the stream position used in Salsa20/ChaCha20 + Added custom "Matrix" (Advanced -> Custom) to manually set the initial state used in Salsa20/ChaCha20 (parses the key, nonce, constant, and stream position) + Added support for CNG RSA key blobs in Blob Analyzer, RSA Calculator, and for encrypt/decrypt + Added "Sum XOR" stream cipher - a running sum is created from each byte of the key and XOR'd with the plaintext (i.e. seen in MountLocker ransomware) + Added "RC4 Custom Sbox" algorithm (parses as an integer string) + Added checkbox for appending Input text or base64 + Added ability to reverse input bytes (Advanced -> Reverse Input Bytes) + Minor updates to library dependencies + Fixed AES CFB mode decryption for inputs not % blocksize (overcomes bug in .NET provider) + Fixed ECB mode to ignore IV if provided + Fixed HiddenTear preset + Fixed Generate Keystream operation using offset > 0 + Added support for offset < 0 to Generate Keystream operation (syncs end of file relatively based on smaller file) + RSA Calculator now calculates N from P and Q if not provided + Fixed support for ASN.1 private RSA PKCS#1 keys that have an outer sequence + Fixed support for ASN.1 public RSA PKCS#1 keys that have an inner sequence + Fixed import/use of PEMs with missing positive byte marker on parameters + Fixed crash on short key found in Bruteforce Keys tool + Fixed Base Encoder to accept larger inputs + Fixed RSA key verification to allow other solutions for D (was causing verification to fail on legitimate keys) + Fixed hex views scrolling two lines instead of one per scroll click + Fixed hex views synced scrolling with scrollbar and keys + Fixed File Option -> Offset to assume relative to end of input if parsed value is negative + Fixed duplicate output from Key Finder when it was opened and closed multiple times - Removed ECB analysis in Compare (wasn't working correctly) |_ Replaced with Hash Analysis (checks for digest of Original in Encrypted) h-t-tps://download.bleepingcomputer.com/demonslay335/CryptoTester.zip |
The Following User Gave Reputation+1 to disauto For This Useful Post: | ||
niculaita (08-29-2021) |
The Following 15 Users Say Thank You to disauto For This Useful Post: | ||
besoeso (08-29-2021), canopus (09-03-2021), darkBLACK (08-28-2021), Doit (09-07-2021), hors (08-27-2021), kienmanowar (08-29-2021), niculaita (08-29-2021), nikkapedd (08-30-2021), orfei (08-30-2021), tgd (08-31-2021), tonyweb (08-27-2021), traf0 (08-31-2021), wilson bibe (08-27-2021), WRP (08-29-2021), Zeokat (08-29-2021) |
#2
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A nice tool from ransomware analysis expert!
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