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Assessment Title
Rule Text
The IPsec VPN Gateway must use AES encryption for the Internet Key Exchange (IKE) proposal to protect confidentiality of remote access sessions.
Description
Discussion Text
Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote access session.
Remote access is access to DoD non-public information systems by an authorized user (or an information system) communicating through an external, non-organization-controlled network.
AES is the FIPS-validated cipher block cryptographic algorithm approved for use in DoD. For an algorithm implementation to be listed on a FIPS 140-2 cryptographic module validation certificate as an approved security function, the algorithm implementation must meet all the requirements of FIPS 140-2 and must successfully complete the cryptographic algorithm validation process. Currently, NIST has approved the following confidentiality modes to be used with approved block ciphers in a series of special publications: ECB, CBC, OFB, CFB, CTR, XTS-AES, FF1, FF3, CCM, GCM, KW, KWP, and TKW.
Remote access is access to DoD non-public information systems by an authorized user (or an information system) communicating through an external, non-organization-controlled network.
AES is the FIPS-validated cipher block cryptographic algorithm approved for use in DoD. For an algorithm implementation to be listed on a FIPS 140-2 cryptographic module validation certificate as an approved security function, the algorithm implementation must meet all the requirements of FIPS 140-2 and must successfully complete the cryptographic algorithm validation process. Currently, NIST has approved the following confidentiality modes to be used with approved block ciphers in a series of special publications: ECB, CBC, OFB, CFB, CTR, XTS-AES, FF1, FF3, CCM, GCM, KW, KWP, and TKW.
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