Questions tagged [threefish]

A family of tweakable symmetric block-cipher algorithms with 256, 512 and 1024 bit block and key sizes.

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Can MCOE AEAD mode be modified to work with Threefish tweak block cipher and generate intermediate tags

The MCOE mode provides a really nice way to implement a nonce-misuse resistant AEAD and is based on an arbitrary tweak block cipher. A specific requirement of the tweak block cipher is that the data ...
cookiecipher's user avatar
8 votes
1 answer

Why is Threefish not widely used?

I haven't seen Threefish widely used. For example, I've seen Twofish used in file encryption software, even though it was not standardized, but I've never seen Threefish. Are there security issues?
nitchan's user avatar
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Faster cipher than AES256-CBC to use for DRM purpose

I have to develop a program using a "secret" locally stored encoded program for a school project. For this I have to decipher the code on the fly to use it. The project recommend the use of ...
Job Valère's user avatar
1 vote
1 answer

OpenSSL supports AES, Camellia, ChaCha. How about Twofish, Threefish, Serpent?

If I understood correctly, some symmetric ciphers such as AES, Camellia, ChaCha are implemented in OpenSSL (along with several older ones) but some other commonly used and proven ciphers such as ...
RocketNuts's user avatar
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Some simple questions about tweakable ciphers

I have read a few papers on tweakable ciphers (didn't understand them well, though) and looked at many of the questions and answers on this exchange: What is a tweakable block cipher, Tweakable Block ...
Red Book 1's user avatar
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3 votes
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Is there a real purpose to use Twofish, Serpent or Threefish instead of AES?

I am wondering if other ciphers like Serpent or Twofish or even Threefish have really an use in real life, because AES seems to be very efficient in most situations. But for example TrueCrypt or ...
daralim's user avatar
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How to determine which tweak was used

Imagine the following situation: you have a tweakable block cipher you have a plain text block you have a cipher text block you have the key which was used to encrypt the plain text block I have ...
Aemyl's user avatar
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How to encrypt data with the Threefish cipher

I want to know how the Threefish cipher can be used to encrypt and decrypt. I tried to find out by searching the Internet but can't find a concrete answer. The only answers are theoretical in nature ...
MUHAMMAD SHOAIB's user avatar
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What is the difference between lightweight tweakable block cipher and tweakable block cipher?

What is the difference between lightweight tweakable block cipher and tweakable block cipher? For example, lightweight tweakable block cipher is SKINNY family, and tweakable block cipher is Threefish ...
Petr's user avatar
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5 votes
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Which is stronger: Threefish 1024-bit, SHACAL-2 512-bit, or AES-256?

I found some App in the Google Store, and there were features only for the PRO version: Threefish 1024-bit and SHACAL-2 512-bit. Meantime, AES-256 was available in the free version of app. So I ...
Chosenman's user avatar
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What encryption should I use: Blowfish, Twofish, or Threefish?

The title of this thread pretty much sums up what I'm asking: what is the best encryption to use out of the three — Blowfish, Twofish, or Threefish?
Fumerian Gaming's user avatar
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Is Threefish the only cipher with 1024 bits of security?

Threefish has up to a massive 1024 bits of security. Is it the only cipher with such overkill security?
Demi's user avatar
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5 votes
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Which symmetric cipher is best for studying? [closed]

I would like to study a modern symmetric cipher (I have never studied a cipher before) and I was wondering which would be the best cipher for studying purposes of the following: AES (Rijndael), ...
Superpelican's user avatar
36 votes
1 answer

What is a tweakable block cipher?

Pretty simple question - but I can't seem to find much information about it. What exactly is a tweakable block cipher? How do they differ from traditional block ciphers? What is the 'tweak'? Is it ...
hunter's user avatar
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