variable length functions experiments
added buggy printf realisation
whirlpool hash & hash tests with answers added, some specification fixes
added % operator and gcd function
small doc changes
bignum to octstr convertion bug fix, some prototypes added
len() and size() functions added, another bug finded and fixed
nomesg
tests added
syn_ctx with CTX_FUNCTION bug fixed
file with known bugs added
rsa prototype modifications, size & len function fixes
libcall beauty macroses added. New functions rpad and lpad
libcall internal functions interface changes
macro changes
syntax and traverse fixes & changes
answers for tests added
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diffie hellman test added
some tests and additional stuff added