• [BOJ] 1613번: 역사2019.02.13
• [BOJ] 9372번: 상근이의 여행2019.02.13
• [BOJ] 1939번: 중량제한2019.02.13
• [실전 알고리즘] 0x0B강 - 수학_구버전92019.02.12
• [Codeforces] Codeforces Global Round 12019.02.09
• [실전 알고리즘] 0x0A강 - 그리디_구버전72019.02.08
• Differential Cryptanalysis of the Full 16-round DES2019.02.07
• [Crypto] CBC2019.02.06
• [BOJ] 15683번: 감시22019.02.06
• [BOJ] 15686번: 치킨 배달2019.02.06
• [BOJ] 16119번: Cherrypick2019.02.05
• Resume을 만들었다2019.02.03
• [Cryptanalysis] Monoalphabetic substitution - Caesar2019.01.15
• [Cryptanalysis] File - PKZIP2019.01.14
• [Cryptanalysis] ELF64 - PID Encryption2019.01.14
• [Cryptanalysis] Pixel Madness2019.01.14
• [Cryptanalysis] Shift cipher2019.01.14
• [Cryptanalysis] Hash - SHA-22019.01.14
• [Cryptanalysis] Message Digest 52019.01.14
• [Cryptanalysis] Encoding - UU2019.01.14