COMSEC
COMSEC REGS - Answer-AR 380-5, Department of the Army Information Security Program
AR 380-40, Policy for Safeguarding and Controlling Communications Security (COMSEC) Material
TB 380-41, Procedures for Safeguarding, Accounting, and Supplying Control of COMSEC Material
AR 25-2, Information Assurance
DA PAM 25-380-2, Security Procedures for Controlled Cryptographic Items (CCI)
Elements of COMSEC - Answer-Transmission security, cryptographic security, physical security, emission
security
DOD COMSEC Program - Answer-EKMS (Electronic Key Management System)
Army COMSEC Program - Answer-AKMS (Army Key Management System)
AKMS Components - Answer-LCMS, ACES (ACES/JACS), CT3, SKL
AES - Answer-Advanced Encryption Standard (AES) - The key size used for an AES cipher specifies the
number of repetitions of transformation rounds that convert the input, called the plaintext, into the final
output, called the ciphertext. The number of cycles of repetition are as follows:
10 cycles of repetition for 128-bit keys
12 cycles of repetition for 192-bit keys
14 cycles of repetition for 256-bit keys
COMSEC REGS - Answer-AR 380-5, Department of the Army Information Security Program
AR 380-40, Policy for Safeguarding and Controlling Communications Security (COMSEC) Material
TB 380-41, Procedures for Safeguarding, Accounting, and Supplying Control of COMSEC Material
AR 25-2, Information Assurance
DA PAM 25-380-2, Security Procedures for Controlled Cryptographic Items (CCI)
Elements of COMSEC - Answer-Transmission security, cryptographic security, physical security, emission
security
DOD COMSEC Program - Answer-EKMS (Electronic Key Management System)
Army COMSEC Program - Answer-AKMS (Army Key Management System)
AKMS Components - Answer-LCMS, ACES (ACES/JACS), CT3, SKL
AES - Answer-Advanced Encryption Standard (AES) - The key size used for an AES cipher specifies the
number of repetitions of transformation rounds that convert the input, called the plaintext, into the final
output, called the ciphertext. The number of cycles of repetition are as follows:
10 cycles of repetition for 128-bit keys
12 cycles of repetition for 192-bit keys
14 cycles of repetition for 256-bit keys
