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Assessment Title
Rule Text
The TOSS operating system must implement DoW-approved TLS encryption in the GnuTLS package.
Description
Discussion Text
Without cryptographic integrity protections, information can be altered by unauthorized users without detection.
Transport Layer Security (TLS) encryption is a required security setting as a number of known vulnerabilities have been reported against Secure Sockets Layer (SSL) and earlier versions of TLS. Encryption of private information is essential to ensuring data confidentiality. If private information is not encrypted, it can be intercepted and easily read by an unauthorized party. SQL Server must use a minimum of FIPS 140-2-approved TLS version 1.2, and all non-FIPS-approved SSL and TLS versions must be disabled. NIST SP 800-52 specifies the preferred configurations for government systems.
Cryptographic mechanisms used for protecting the integrity of information include, for example, signed hash functions using asymmetric cryptography enabling distribution of the public key to verify the hash information while maintaining the confidentiality of the secret key used to generate the hash.
The GnuTLS library offers an API to access secure communications protocols. SSLv2 is not available in the GnuTLS library. The TOSS systemwide crypto policy defines employed algorithms in the /etc/crypto-policies/back-ends/gnutls.config file.5
Transport Layer Security (TLS) encryption is a required security setting as a number of known vulnerabilities have been reported against Secure Sockets Layer (SSL) and earlier versions of TLS. Encryption of private information is essential to ensuring data confidentiality. If private information is not encrypted, it can be intercepted and easily read by an unauthorized party. SQL Server must use a minimum of FIPS 140-2-approved TLS version 1.2, and all non-FIPS-approved SSL and TLS versions must be disabled. NIST SP 800-52 specifies the preferred configurations for government systems.
Cryptographic mechanisms used for protecting the integrity of information include, for example, signed hash functions using asymmetric cryptography enabling distribution of the public key to verify the hash information while maintaining the confidentiality of the secret key used to generate the hash.
The GnuTLS library offers an API to access secure communications protocols. SSLv2 is not available in the GnuTLS library. The TOSS systemwide crypto policy defines employed algorithms in the /etc/crypto-policies/back-ends/gnutls.config file.5
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