Analysis of Cryptographic Algorithms´ Characters in Binary File

Analysis of cryptographic algorithms is becoming more and more important in information security and malware analysis community. In this paper we have studied the static and dynamic characters of cryptography algorithms in program application by reversing a great lot of samples, and have summarized the static characters as crypto constants, lots of bit wise and arithmetic, logical expression, leaf functions and standard library by IDA. For dynamic characters, we have applied pin-tool to extract the characters as dynamic constants, dynamic statistic and memory operation data. Each static and dynamic character also has relevant sample to validate. Lastly, general comparisons have also been taken between these two kind characters and also have brought forward the future work.