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I know SHAKE128 and 256 are part of the SHA-3 standard but is the SHA3 standard officially released yet? i can only find a draft of the publication, does this mean it's not official and therefor not proven to be secure? No, SHA-3 has not been formally approved. On the other hand, what do you mean "not proved to be secure"? Do you really thing that ...


It depends. If you have full control over the whole system, all components and can use whatever algorithm you want to deploy, you can stick to the one giving you the best efficiency which fulfills your security requirements. In this case, it would be Tiger. However, Tiger has a 192 bit output. If that is not enough for you, go for SHA256. However, if the ...

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