Comments (3)
The key behaves as if it was a prefix of the message, and it is always block-sized. In the case of an empty string, this size is 64 (resp. 128) for BLAKE2s (resp. BLAKE2b). Since only the key block is hashed, it should contain the appropriate last-block finalization flags. In other words, the only compression call should be something like output = Compress(IV, zeropad(k), length=block_size, last_block=true)
.
The only exception is an unkeyed empty message, which requires a compression call with length = 0.
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@sneves Thanks for the prompt reply. I will be pestering you if there is any more problems ;-)
from blake2.
@sneves Things seems to be working now. Thanks
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Related Issues (20)
- OID for blake2s? HOT 1
- Update binaries at blake2.net
- Porting on SPARC CPU HOT 3
- 'b2sum' names conflict HOT 1
- Tree test vectors missing
- different read blocksize result in failed checksum HOT 8
- Diagonal shuffle optimization for BLAKE2s
- blake2 HOT 1
- Any plan to make a new release? HOT 4
- Autotools configure.ac and Makefile.am
- Support for Apple Silicon on macOS (mach-o ARM64) HOT 2
- Status of blake2.net implementation list
- Provide a reference implementation for BLAKE2sp and BLAKE2bp in Java
- npm-gyp failer to rebuild blake2 HOT 1
- Include Blake2x HOT 1
- Question: What is the maximum key lenght that BLAKE2x can proccess?
- Questions about Blake2x: Its state size (internal state) and its security when generating keys with size more than 256/512bits HOT 1
- Question: Where do IV values come from? HOT 3
- Reference Implementation for Blake2 parameter block HOT 1
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