Meaning of Russian copulation | Babel Free
Definitions
A method of rearranging plaintext before encryption by breaking it into two parts and inverting their order, so as to conceal obvious headers, salutations, signatures, etc.
uncountable
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.