How to identify encryption algorithm used in ciphertext?

Question

Is there any ways to try to guess encryption algorithm used to encrypt the ciphertext?

Answer 1

Tools to see it:

• PEiD with the Krypto Analyzer (KANAL) plugin
• IDA Pro with the Findcrypt plugin
• OllyDbg with the SnD Crypto Scanner
• x3chun's Crypto Searcher
• Keygener Assistant
• Hash & Crypto Detector (HCD)
• Draft Crypto Analyzer (DRACA)

but all to executables. found here : http://fwhacking.blogspot.com.br/2011/03/bfcrypt-crypto-scanner.html