Routines:RSA_EAY_PRIVATE_ENCRYPT:key size too smallįor more information about FIPS 140-2, review the following: Sign_and_send_pubkey: signing failed: error:04066078:rsa Use of a weak key can result in a failure in FIPS 140-2 mode as shown in the following įor ssh-rsa, the following key sizes are supported: 1024.The following FIPS 140-2 approved key types and key sizes are supported in OpenSSH: To list OpenSSL ciphers, use the following command: $ openssl ciphers -v FIPS 140-2 Approved Key Formats and Sizes for OpenSSHĪdministrators must use key formats and key sizes that are approved for FIPS 140-2. You can use the following commands to list all supported ciphers and MACs: $ ssh -Q cipherĬiphers, MACs and digests that are not FIPS 140-2 approved are disabled in FIPS 140-2 mode.Īttempts to use non-approved algorithms fail, as shown in this example: jdoe:~$ ssh -c arcfour somehost When running in FIPS 140-2 mode, only FIPS 140-2 approved ciphers, message authentication codes FIPS 140-2 Approved Algorithms for OpenSSH OpenSSH_7.7p1, OpenSSL 1.0.2r-fips Mar 2019ĭebug1: /etc/ssh/ssh_config line 33: Deprecated option "usefips140"ĭebug1: Local version string SSH-2.0-OpenSSH_7.7 FIPSĭebug1: Remote protocol version 2.0, remote software version OpenSSH_7.7 FIPSĭebug1: match: OpenSSH_7.7 FIPS pat OpenSSH* compat 0x04000000ĭebug3: Temporarily unsetting FIPS mode to compute MD5 for GSS-API key exchange method namesĭebug3: Running in FIPS mode. In this example: jdoe:~$ ssh -vvv localhost date 2>&1 | grep -i fips This information is indicated in debug messages, as shown To confirm that OpenSSH is running in FIPS 140-2 mode, check for a FIPS In a change from the SunSSH implementation, the administrator is not required to explicitlyĮnable FIPS 140-2 mode, so the UseFips140 configuration option does not For information, see Example of Running in FIPS 140-2 Mode on an Oracle Solaris 11.4 System in Using a FIPS 140-2 Enabled System in Oracle Solaris 11.4. With is FIPS 140-2 capable, OpenSSH runs in FIPS 140-2 mode. If the OpenSSL library that OpenSSH links OpenSSH in Oracle Solaris sets FIPS 140-2 mode dynamically. If your system must comply with FIPS 140-2 requirements, you need to configure and use the The openssh implementation of Secure Shell is a consumer of the OpenSSL FIPS 140-2 How to Set Up Default Secure Shell Connections to Hosts Outside a Firewall.How to Remotely Administer ZFS With Secure Shell.How to Generate a Public/Private Key Pair for Use With Secure Shell.How to Create an Isolated Directory for sftp Files.How to Set Up Secure Shell User Authentication From Public Keys Stored in LDAP.How to Set Up Host-Based Authentication for Secure Shell.Security Considerations in Secure Shell.Ignoring Secure Shell Keywords to Enable Interoperability.ssh/config Files Between Multiple Oracle Solaris Releases FIPS 140-2 Approved Key Formats and Sizes for OpenSSH.FIPS 140-2 Approved Algorithms for OpenSSH.OpenLDAP Configuration for Secure Shell Use of Public Keys.Secure Shell Keywords for Using Remote Public Keys.Replacing TCP Wrappers With sshd_config Entries.Oracle Solaris Modifications to OpenSSH.What's New in Secure Shell in Oracle Solaris 11.4.Managing Secure Shell Access in Oracle ® Solaris 11.4.
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