Am Montag, 12. Februar 2018, 07:18:20 CET schrieb Jitendra Lulla: Hi Jitendra,
> Hi, > > the following NIST link has test vectors for SHA1/2/3. > https://csrc.nist.gov/projects/cryptographic-algorithm-validation-program/se > cure-hashing > > They have test vectors for bit oriented messages also e.g. a message > of 7 bits for example. [grep "Bit-Oriented" on the page, bottom of the > page] > > Some sw implementations do support computing SHA* on such messages > which are not byte aligned. > > e.g. libdigest-sha3-perl and libdigest-sha-perl (tried on Ubuntu) > Some example runs at the bottom of this mail. > > I have following queries, could anybody please help me with them: > > 1. When would one want to compute digests on such messages eg. a 7 bit > message or a 133 bit message? Any practical use case? There are no use cases in the kernel that require non-byte aligned ciphers > 2. testmgr.h doesnt have tests for such messages. Does linux kernel > crypto framework support it or have plans for it? No. > 3. Does any fips certification mandate bit-oriented tests to pass ? No. Ciao Stephan
