1b - Crypto Principles IAW SCLA HO

Question 1

The objective of ___ is to ensure the employment of measures and controls taken to deny unauthorized personnel information derived from ISs of the United States Government related to national security and to ensure the authenticity of such ISs.

Answer 1

COMSEC

Question 2

The ____ leads the U.S. Government in cryptology that encompasses both signals intelligence (SIGINT) and cybersecurity.

Answer 2

National Security Agency/Central Security Service (NSA/CSS)

Question 3

Nowadays, all military encryption is standardized by
the ___ guidance.

Answer 3

NSA

Question 4

For encrypting and decrypting classified and sensitive national security information.

Answer 4

Type 1

Question 5

For encrypting or decrypting sensitive national security information.

Answer 5

Type 2

Question 6

For encrypting or decrypting unclassified sensitive U.S. Government or commercial information, and to protect systems requiring protection mechanisms consistent with standard commercial practices.

Answer 6

Type 3

Question 7

For unevaluated commercial cryptographic equipment that are neither NSA nor NIST certified for any Government usage. These products may contain either vendor proprietary algorithms, algorithms registered by NIST, or algorithms registered by NIST and published in a Federal Information Processing Standard (FIPS).

Answer 7

Type 4

Question 8

(Confidential through Top Secret) A specific set of classified cryptographic algorithms used for the protection of some categories of restricted mission critical information.

Answer 8

Suite A

Question 9

(Confidential through Secret) A specific set of cryptographic algorithms suitable for protecting both classified and unclassified national security systems and information throughout the US government and to support interoperability with allies and coalition partners.

Answer 9

Suite B

Question 10

Making a code or cipher system is called ____.

Answer 10

cryptography

Question 11

Those who try to “break” a cryptosystem are practicing ____.

Answer 11

cryptanalysis

Question 12

___ is the process of converting information to a disguised form in order to send it across a potentially unsafe channel.

Answer 12

Encryption

Question 13

The un-encoded or unsecure message.

Answer 13

plaintext

Question 14

The encrypted message.

Answer 14

cipher text

Question 15

In ____, the encryption and decryption keys are the same. Communicating parties must have the same key in order to achieve secure communication.

Answer 15

Symmetric key

Question 16

In _____, the encryption key is published for
anyone to use and encrypt messages. However, only the receiving party has access to the decryption key that enables messages to be read.

Answer 16

Public key

Question 17

What is AES also known as?

Answer 17

Rijndael

Question 18

___ provides a secure gateway that allows two enclaves to exchange data over an untrusted or lower-classification network, such as commercial internet.

Answer 18

HAIPE

Question 19

refers to the encryption of voice communications over a range of systems such as radio, telephone or internet protocol (IP).

Answer 19

Secure voice

Question 20

____ is a standard for secure voice and data communication. The protocol is platform-independent, meaning as it makes no assumptions about the underlying hardware.

Answer 20

The Secure Communications Interoperability Protocol
(SCIP)

Question 21

Minimum bandwidth of SCIP?

Answer 21

2400 Hz

Question 22

___ is a technology used to transmit voice communication over a data network using Internet Protocol.

Answer 22

Voice over IP

Question 23

___ is when secure phones are used to protect information sent over the VoIP network.

Answer 23

Secure Voice over IP (SVoIP)

Question 24

____ is the same as SVoIP in that they are technologies used to securely transmit voice communications, but the security is provided by separate encryption devices in the network rather than the secure phones themselves.

Answer 24

Voice over Secure IP (VoSIP)

Question 25

____, provides a secure connection for multiple users in a network by encrypting a multiplexed line, which combines multiple data and/or voice lines into a single output.

Answer 25

Trunk encryption

Question 26

Trunk encryption is also known as?

Answer 26

bulk encryption

Question 27

The ___ is a lightweight, ruggedized, encryption device that is ideal for both tactical and strategic environments. It provides end-to-end encryption for IPv4/IPv6 networks and provides 200 Mb/s throughput. The ____ is certified to protect information classified Top Secret and below.

Answer 27

KG–175D

Question 28

The ___ provides traditional bulk encryption for non-IP–based systems, such as the Ground Multiband Terminal (GMT).

Answer 28

KIV–7

Question 29

A ____ is an electronic device used primarily by the military for the distribution of cryptographic variables such as Transmission Encryption Keys (TEK) and Transmission Security Keys (TSK).

Answer 29

key transfer device

Question 30

A key transfer device is also known as?

Answer 30

A fill device

Question 31

A key used to encrypt messages.

Answer 31

Transmission Encryption Keys (TEK)

Question 32

Used to secure the link by which the message will travel.

Answer 32

Transmission Security Keys (TSK)

Question 33

The ____ , otherwise known as the Simple Key Loader (SKL), is a ruggedized, portable, hand-held fill device for securely receiving, storing, and transferring data between compatible cryptographic and communications equipment.

Answer 33

AN/PYQ-10

Question 34

The ___ is backward compatible with existing End Cryptographic Units (ECU) and forward compatible with future security equipment.

Answer 34

Simple Key Loader (SKL)

Question 35

The ___ is a user-friendly, ruggedized, handheld fill device approved by the NSA for the distribution of Type 1 cryptographic keys.

Answer 35

KIK-30 Really Simple Key Loader (RASKL)

Question 36

The ____ generally uses a proprietary data protocol for transferring keys to the radio.

Answer 36

Key Variable Loader (KVL)

Question 37

It has the capability to store up to 1024 keys.

Answer 37

KVL