diff options
Diffstat (limited to 'src/ssh_audit/ssh2_kexdb.py')
| -rw-r--r-- | src/ssh_audit/ssh2_kexdb.py | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/src/ssh_audit/ssh2_kexdb.py b/src/ssh_audit/ssh2_kexdb.py new file mode 100644 index 0000000..643d9c6 --- /dev/null +++ b/src/ssh_audit/ssh2_kexdb.py @@ -0,0 +1,280 @@ +""" + The MIT License (MIT) + + Copyright (C) 2017-2021 Joe Testa (jtesta@positronsecurity.com) + Copyright (C) 2017 Andris Raugulis (moo@arthepsy.eu) + + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to deal + in the Software without restriction, including without limitation the rights + to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + THE SOFTWARE. +""" +# pylint: disable=unused-import +from typing import Dict, List, Set, Sequence, Tuple, Iterable # noqa: F401 +from typing import Callable, Optional, Union, Any # noqa: F401 + + +class SSH2_KexDB: # pylint: disable=too-few-public-methods + WARN_OPENSSH74_UNSAFE = 'disabled (in client) since OpenSSH 7.4, unsafe algorithm' + WARN_OPENSSH72_LEGACY = 'disabled (in client) since OpenSSH 7.2, legacy algorithm' + FAIL_OPENSSH70_LEGACY = 'removed since OpenSSH 7.0, legacy algorithm' + FAIL_OPENSSH70_WEAK = 'removed (in server) and disabled (in client) since OpenSSH 7.0, weak algorithm' + FAIL_OPENSSH70_LOGJAM = 'disabled (in client) since OpenSSH 7.0, logjam attack' + INFO_OPENSSH69_CHACHA = 'default cipher since OpenSSH 6.9.' + FAIL_OPENSSH67_UNSAFE = 'removed (in server) since OpenSSH 6.7, unsafe algorithm' + FAIL_OPENSSH61_REMOVE = 'removed since OpenSSH 6.1, removed from specification' + FAIL_OPENSSH31_REMOVE = 'removed since OpenSSH 3.1' + INFO_OPENSSH82_FUTURE_DEPRECATION = 'a future deprecation notice has been issued in OpenSSH 8.2: https://www.openssh.com/txt/release-8.2' + FAIL_DBEAR67_DISABLED = 'disabled since Dropbear SSH 2015.67' + FAIL_DBEAR53_DISABLED = 'disabled since Dropbear SSH 0.53' + FAIL_DEPRECATED_CIPHER = 'deprecated cipher' + FAIL_WEAK_CIPHER = 'using weak cipher' + FAIL_WEAK_ALGORITHM = 'using weak/obsolete algorithm' + FAIL_PLAINTEXT = 'no encryption/integrity' + FAIL_DEPRECATED_MAC = 'deprecated MAC' + FAIL_1024BIT_MODULUS = 'using small 1024-bit modulus' + FAIL_UNPROVEN = 'using unproven algorithm' + FAIL_HASH_WEAK = 'using weak hashing algorithm' + WARN_CURVES_WEAK = 'using weak elliptic curves' + WARN_RNDSIG_KEY = 'using weak random number generator could reveal the key' + WARN_HASH_WEAK = 'using weak hashing algorithm' + WARN_CIPHER_MODE = 'using weak cipher mode' + WARN_BLOCK_SIZE = 'using small 64-bit block size' + WARN_CIPHER_WEAK = 'using weak cipher' + WARN_ENCRYPT_AND_MAC = 'using encrypt-and-MAC mode' + WARN_TAG_SIZE = 'using small 64-bit tag size' + WARN_TAG_SIZE_96 = 'using small 96-bit tag size' + WARN_EXPERIMENTAL = 'using experimental algorithm' + WARN_OBSOLETE = 'using obsolete algorithm' + WARN_UNTRUSTED = 'using untrusted algorithm' + + ALGORITHMS: Dict[str, Dict[str, List[List[Optional[str]]]]] = { + # Format: 'algorithm_name': [['version_first_appeared_in'], [reason_for_failure1, reason_for_failure2, ...], [warning1, warning2, ...]] + 'kex': { + 'diffie-hellman-group1-sha1': [['2.3.0,d0.28,l10.2', '6.6', '6.9'], [FAIL_1024BIT_MODULUS, FAIL_OPENSSH67_UNSAFE, FAIL_OPENSSH70_LOGJAM], [WARN_HASH_WEAK]], + 'gss-group1-sha1-toWM5Slw5Ew8Mqkay+al2g==': [[], [FAIL_1024BIT_MODULUS, FAIL_OPENSSH67_UNSAFE, FAIL_OPENSSH70_LOGJAM], [WARN_HASH_WEAK]], + 'gss-gex-sha1-eipGX3TCiQSrx573bT1o1Q==': [[], [], [WARN_HASH_WEAK]], + 'gss-gex-sha1-toWM5Slw5Ew8Mqkay+al2g==': [[], [], [WARN_HASH_WEAK]], + 'gss-gex-sha1-': [[], [], [WARN_HASH_WEAK]], + 'gss-group1-sha1-eipGX3TCiQSrx573bT1o1Q==': [[], [FAIL_1024BIT_MODULUS], [WARN_HASH_WEAK]], + 'gss-group1-sha1-': [[], [FAIL_1024BIT_MODULUS], [WARN_HASH_WEAK]], + 'gss-group14-sha1-': [[], [], [WARN_HASH_WEAK]], + 'gss-group14-sha1-eipGX3TCiQSrx573bT1o1Q==': [[], [], [WARN_HASH_WEAK]], + 'gss-group14-sha1-toWM5Slw5Ew8Mqkay+al2g==': [[], [], [WARN_HASH_WEAK]], + 'gss-group14-sha256-': [[]], + 'gss-group14-sha256-toWM5Slw5Ew8Mqkay+al2g==': [[]], + 'gss-group15-sha512-': [[]], + 'gss-group15-sha512-toWM5Slw5Ew8Mqkay+al2g==': [[]], + 'gss-group16-sha512-': [[]], + 'gss-nistp256-sha256-': [[], [WARN_CURVES_WEAK]], + 'gss-curve25519-sha256-': [[]], + 'diffie-hellman-group1-sha256': [[], [FAIL_1024BIT_MODULUS]], + 'diffie-hellman-group14-sha1': [['3.9,d0.53,l10.6.0'], [], [WARN_HASH_WEAK]], + 'diffie-hellman-group14-sha256': [['7.3,d2016.73']], + 'diffie-hellman-group14-sha256@ssh.com': [[]], + 'diffie-hellman-group15-sha256': [[]], + 'diffie-hellman-group15-sha256@ssh.com': [[]], + 'diffie-hellman-group15-sha384@ssh.com': [[]], + 'diffie-hellman-group15-sha512': [[]], + 'diffie-hellman-group16-sha256': [[]], + 'diffie-hellman-group16-sha384@ssh.com': [[]], + 'diffie-hellman-group16-sha512': [['7.3,d2016.73']], + 'diffie-hellman-group16-sha512@ssh.com': [[]], + 'diffie-hellman-group17-sha512': [[]], + 'diffie-hellman-group18-sha512': [['7.3']], + 'diffie-hellman-group18-sha512@ssh.com': [[]], + 'diffie-hellman-group-exchange-sha1': [['2.3.0', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [WARN_HASH_WEAK]], + 'diffie-hellman-group-exchange-sha256': [['4.4']], + 'diffie-hellman-group-exchange-sha256@ssh.com': [[]], + 'diffie-hellman-group-exchange-sha512@ssh.com': [[]], + 'ecdh-sha2-curve25519': [[], []], + 'ecdh-sha2-nistb233': [[], [WARN_CURVES_WEAK]], + 'ecdh-sha2-nistb409': [[], [WARN_CURVES_WEAK]], + 'ecdh-sha2-nistk163': [[], [WARN_CURVES_WEAK]], + 'ecdh-sha2-nistk233': [[], [WARN_CURVES_WEAK]], + 'ecdh-sha2-nistk283': [[], [WARN_CURVES_WEAK]], + 'ecdh-sha2-nistk409': [[], [WARN_CURVES_WEAK]], + 'ecdh-sha2-nistp192': [[], [WARN_CURVES_WEAK]], + 'ecdh-sha2-nistp224': [[], [WARN_CURVES_WEAK]], + 'ecdh-sha2-nistp256': [['5.7,d2013.62,l10.6.0'], [WARN_CURVES_WEAK]], + 'ecdh-sha2-nistp384': [['5.7,d2013.62'], [WARN_CURVES_WEAK]], + 'ecdh-sha2-nistp521': [['5.7,d2013.62'], [WARN_CURVES_WEAK]], + 'ecdh-sha2-nistt571': [[], [WARN_CURVES_WEAK]], + 'ecdh-sha2-1.3.132.0.10': [[]], # ECDH over secp256k1 (i.e.: the Bitcoin curve) + 'curve25519-sha256@libssh.org': [['6.5,d2013.62,l10.6.0']], + 'curve25519-sha256': [['7.4,d2018.76']], + 'curve448-sha512': [[]], + 'kexguess2@matt.ucc.asn.au': [['d2013.57']], + 'rsa1024-sha1': [[], [FAIL_1024BIT_MODULUS], [WARN_HASH_WEAK]], + 'rsa2048-sha256': [[]], + 'sntrup4591761x25519-sha512@tinyssh.org': [['8.0', '8.4'], [], [WARN_EXPERIMENTAL]], + 'sntrup761x25519-sha512@openssh.com': [['8.5'], [], [WARN_EXPERIMENTAL]], + 'kexAlgoCurve25519SHA256': [[]], + 'Curve25519SHA256': [[]], + 'ext-info-c': [[]], # Extension negotiation (RFC 8308) + 'ext-info-s': [[]], # Extension negotiation (RFC 8308) + }, + 'key': { + 'ssh-rsa1': [[], [FAIL_WEAK_ALGORITHM]], + 'rsa-sha2-256': [['7.2']], + 'rsa-sha2-512': [['7.2']], + 'ssh-ed25519': [['6.5,l10.7.0']], + 'ssh-ed25519-cert-v01@openssh.com': [['6.5']], + 'ssh-rsa': [['2.5.0,d0.28,l10.2'], [FAIL_HASH_WEAK], [], [INFO_OPENSSH82_FUTURE_DEPRECATION]], + 'ssh-dss': [['2.1.0,d0.28,l10.2', '6.9'], [FAIL_1024BIT_MODULUS, FAIL_OPENSSH70_WEAK], [WARN_RNDSIG_KEY]], + 'ecdsa-sha2-nistp256': [['5.7,d2013.62,l10.6.4'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]], + 'ecdsa-sha2-nistp384': [['5.7,d2013.62,l10.6.4'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]], + 'ecdsa-sha2-nistp521': [['5.7,d2013.62,l10.6.4'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]], + 'ecdsa-sha2-1.3.132.0.10': [[], [], [WARN_RNDSIG_KEY]], # ECDSA over secp256k1 (i.e.: the Bitcoin curve) + 'x509v3-sign-dss': [[], [FAIL_1024BIT_MODULUS, FAIL_OPENSSH70_WEAK], [WARN_RNDSIG_KEY]], + 'x509v3-sign-rsa': [[], [FAIL_HASH_WEAK], [], [INFO_OPENSSH82_FUTURE_DEPRECATION]], + 'x509v3-sign-rsa-sha256@ssh.com': [[]], + 'x509v3-ssh-dss': [[], [FAIL_1024BIT_MODULUS, FAIL_OPENSSH70_WEAK], [WARN_RNDSIG_KEY]], + 'x509v3-ssh-rsa': [[], [FAIL_HASH_WEAK], [], [INFO_OPENSSH82_FUTURE_DEPRECATION]], + 'ssh-rsa-cert-v00@openssh.com': [['5.4', '6.9'], [FAIL_OPENSSH70_LEGACY, FAIL_HASH_WEAK], [], [INFO_OPENSSH82_FUTURE_DEPRECATION]], + 'ssh-dss-cert-v00@openssh.com': [['5.4', '6.9'], [FAIL_1024BIT_MODULUS, FAIL_OPENSSH70_LEGACY], [WARN_RNDSIG_KEY]], + 'ssh-rsa-cert-v01@openssh.com': [['5.6'], [FAIL_HASH_WEAK], [], [INFO_OPENSSH82_FUTURE_DEPRECATION]], + 'ssh-dss-cert-v01@openssh.com': [['5.6', '6.9'], [FAIL_1024BIT_MODULUS, FAIL_OPENSSH70_WEAK], [WARN_RNDSIG_KEY]], + 'ecdsa-sha2-nistp256-cert-v01@openssh.com': [['5.7'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]], + 'ecdsa-sha2-nistp384-cert-v01@openssh.com': [['5.7'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]], + 'ecdsa-sha2-nistp521-cert-v01@openssh.com': [['5.7'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]], + 'rsa-sha2-256-cert-v01@openssh.com': [['7.8']], + 'rsa-sha2-512-cert-v01@openssh.com': [['7.8']], + 'ssh-rsa-sha256@ssh.com': [[]], + 'ssh-dss-sha256@ssh.com': [[], [FAIL_1024BIT_MODULUS]], + 'sk-ecdsa-sha2-nistp256-cert-v01@openssh.com': [['8.2'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]], + 'sk-ecdsa-sha2-nistp256@openssh.com': [['8.2'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]], + 'sk-ssh-ed25519-cert-v01@openssh.com': [['8.2']], + 'sk-ssh-ed25519@openssh.com': [['8.2']], + 'ssh-gost2001': [[], [], [WARN_UNTRUSTED]], + 'ssh-gost2012-256': [[], [], [WARN_UNTRUSTED]], + 'ssh-gost2012-512': [[], [], [WARN_UNTRUSTED]], + 'spi-sign-rsa': [[]], + 'ssh-ed448': [[]], + 'x509v3-ecdsa-sha2-nistp256': [[], [WARN_CURVES_WEAK]], + 'x509v3-ecdsa-sha2-nistp384': [[], [WARN_CURVES_WEAK]], + 'x509v3-ecdsa-sha2-nistp521': [[], [WARN_CURVES_WEAK]], + 'x509v3-rsa2048-sha256': [[]], + }, + 'enc': { + 'none': [['1.2.2,d2013.56,l10.2'], [FAIL_PLAINTEXT]], + 'des': [[], [FAIL_WEAK_CIPHER], [WARN_CIPHER_MODE, WARN_BLOCK_SIZE]], + 'des-cbc': [[], [FAIL_WEAK_CIPHER], [WARN_CIPHER_MODE, WARN_BLOCK_SIZE]], + 'des-cbc@ssh.com': [[], [FAIL_WEAK_CIPHER], [WARN_CIPHER_MODE, WARN_BLOCK_SIZE]], + 'des-cbc-ssh1': [[], [FAIL_WEAK_CIPHER], [WARN_CIPHER_MODE, WARN_BLOCK_SIZE]], + '3des': [[], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH74_UNSAFE, WARN_CIPHER_WEAK, WARN_CIPHER_MODE, WARN_BLOCK_SIZE]], + '3des-cbc': [['1.2.2,d0.28,l10.2', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH74_UNSAFE, WARN_CIPHER_WEAK, WARN_CIPHER_MODE, WARN_BLOCK_SIZE]], + '3des-ctr': [['d0.52'], [FAIL_WEAK_CIPHER]], + 'blowfish': [[], [FAIL_WEAK_ALGORITHM], [WARN_BLOCK_SIZE]], + 'blowfish-cbc': [['1.2.2,d0.28,l10.2', '6.6,d0.52', '7.1,d0.52'], [FAIL_OPENSSH67_UNSAFE, FAIL_DBEAR53_DISABLED], [WARN_OPENSSH72_LEGACY, WARN_CIPHER_MODE, WARN_BLOCK_SIZE]], + 'blowfish-ctr': [[], [FAIL_OPENSSH67_UNSAFE, FAIL_DBEAR53_DISABLED], [WARN_OPENSSH72_LEGACY, WARN_CIPHER_MODE, WARN_BLOCK_SIZE]], + 'twofish-cbc': [['d0.28', 'd2014.66'], [FAIL_DBEAR67_DISABLED], [WARN_CIPHER_MODE]], + 'twofish128-cbc': [['d0.47', 'd2014.66'], [FAIL_DBEAR67_DISABLED], [WARN_CIPHER_MODE]], + 'twofish192-cbc': [[], [], [WARN_CIPHER_MODE]], + 'twofish256-cbc': [['d0.47', 'd2014.66'], [FAIL_DBEAR67_DISABLED], [WARN_CIPHER_MODE]], + 'twofish-ctr': [[]], + 'twofish128-ctr': [['d2015.68']], + 'twofish192-ctr': [[]], + 'twofish256-ctr': [['d2015.68']], + 'serpent128-cbc': [[], [FAIL_DEPRECATED_CIPHER], [WARN_CIPHER_MODE]], + 'serpent192-cbc': [[], [FAIL_DEPRECATED_CIPHER], [WARN_CIPHER_MODE]], + 'serpent256-cbc': [[], [FAIL_DEPRECATED_CIPHER], [WARN_CIPHER_MODE]], + 'serpent128-ctr': [[], [FAIL_DEPRECATED_CIPHER]], + 'serpent192-ctr': [[], [FAIL_DEPRECATED_CIPHER]], + 'serpent256-ctr': [[], [FAIL_DEPRECATED_CIPHER]], + 'idea-cbc': [[], [FAIL_DEPRECATED_CIPHER], [WARN_CIPHER_MODE]], + 'idea-ctr': [[], [FAIL_DEPRECATED_CIPHER]], + 'cast128-ctr': [[], [FAIL_DEPRECATED_CIPHER]], + 'cast128-cbc': [['2.1.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_CIPHER_MODE, WARN_BLOCK_SIZE]], + 'arcfour': [['2.1.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_CIPHER_WEAK]], + 'arcfour128': [['4.2', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_CIPHER_WEAK]], + 'arcfour256': [['4.2', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_CIPHER_WEAK]], + 'aes128-cbc': [['2.3.0,d0.28,l10.2', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [WARN_CIPHER_MODE]], + 'aes192-cbc': [['2.3.0,l10.2', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [WARN_CIPHER_MODE]], + 'aes256-cbc': [['2.3.0,d0.47,l10.2', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [WARN_CIPHER_MODE]], + 'rijndael128-cbc': [['2.3.0', '3.0.2'], [FAIL_OPENSSH31_REMOVE], [WARN_CIPHER_MODE]], + 'rijndael192-cbc': [['2.3.0', '3.0.2'], [FAIL_OPENSSH31_REMOVE], [WARN_CIPHER_MODE]], + 'rijndael256-cbc': [['2.3.0', '3.0.2'], [FAIL_OPENSSH31_REMOVE], [WARN_CIPHER_MODE]], + 'rijndael-cbc@lysator.liu.se': [['2.3.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_CIPHER_MODE]], + 'aes128-ctr': [['3.7,d0.52,l10.4.1']], + 'aes192-ctr': [['3.7,l10.4.1']], + 'aes256-ctr': [['3.7,d0.52,l10.4.1']], + 'aes128-gcm': [[]], + 'aes256-gcm': [[]], + 'AEAD_AES_128_GCM': [[]], + 'AEAD_AES_256_GCM': [[]], + 'aes128-gcm@openssh.com': [['6.2']], + 'aes256-gcm@openssh.com': [['6.2']], + 'chacha20-poly1305': [[], [], [], [INFO_OPENSSH69_CHACHA]], + 'chacha20-poly1305@openssh.com': [['6.5'], [], [], [INFO_OPENSSH69_CHACHA]], + 'camellia128-cbc': [[], [], [WARN_CIPHER_MODE]], + 'camellia128-ctr': [[]], + 'camellia192-cbc': [[], [], [WARN_CIPHER_MODE]], + 'camellia192-ctr': [[]], + 'camellia256-cbc': [[], [], [WARN_CIPHER_MODE]], + 'camellia256-ctr': [[]], + 'crypticore128@ssh.com': [[], [FAIL_UNPROVEN]], + 'seed-cbc@ssh.com': [[], [], [WARN_OBSOLETE, WARN_CIPHER_MODE]], + }, + 'mac': { + 'none': [['d2013.56'], [FAIL_PLAINTEXT]], + 'hmac-sha1': [['2.1.0,d0.28,l10.2'], [], [WARN_ENCRYPT_AND_MAC, WARN_HASH_WEAK]], + 'hmac-sha1-96': [['2.5.0,d0.47', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_ENCRYPT_AND_MAC, WARN_HASH_WEAK]], + 'hmac-sha2-56': [[], [], [WARN_TAG_SIZE, WARN_ENCRYPT_AND_MAC]], + 'hmac-sha2-224': [[], [], [WARN_TAG_SIZE, WARN_ENCRYPT_AND_MAC]], + 'hmac-sha2-256': [['5.9,d2013.56,l10.7.0'], [], [WARN_ENCRYPT_AND_MAC]], + 'hmac-sha2-256-96': [['5.9', '6.0'], [FAIL_OPENSSH61_REMOVE], [WARN_ENCRYPT_AND_MAC]], + 'hmac-sha2-384': [[], [], [WARN_ENCRYPT_AND_MAC]], + 'hmac-sha2-512': [['5.9,d2013.56,l10.7.0'], [], [WARN_ENCRYPT_AND_MAC]], + 'hmac-sha2-512-96': [['5.9', '6.0'], [FAIL_OPENSSH61_REMOVE], [WARN_ENCRYPT_AND_MAC]], + 'hmac-sha3-224': [[], [], [WARN_ENCRYPT_AND_MAC]], + 'hmac-sha3-256': [[], [], [WARN_ENCRYPT_AND_MAC]], + 'hmac-sha3-384': [[], [], [WARN_ENCRYPT_AND_MAC]], + 'hmac-sha3-512': [[], [], [WARN_ENCRYPT_AND_MAC]], + 'hmac-sha256': [[], [], [WARN_ENCRYPT_AND_MAC]], + 'hmac-sha256-96@ssh.com': [[], [], [WARN_ENCRYPT_AND_MAC, WARN_TAG_SIZE]], + 'hmac-sha256@ssh.com': [[], [], [WARN_ENCRYPT_AND_MAC]], + 'hmac-sha512': [[], [], [WARN_ENCRYPT_AND_MAC]], + 'hmac-sha512@ssh.com': [[], [], [WARN_ENCRYPT_AND_MAC]], + 'hmac-md5': [['2.1.0,d0.28', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_ENCRYPT_AND_MAC, WARN_HASH_WEAK]], + 'hmac-md5-96': [['2.5.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_ENCRYPT_AND_MAC, WARN_HASH_WEAK]], + 'hmac-ripemd': [[], [FAIL_DEPRECATED_MAC], [WARN_OPENSSH72_LEGACY, WARN_ENCRYPT_AND_MAC]], + 'hmac-ripemd160': [['2.5.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_ENCRYPT_AND_MAC]], + 'hmac-ripemd160-96': [[], [FAIL_DEPRECATED_MAC], [WARN_ENCRYPT_AND_MAC, WARN_TAG_SIZE]], + 'hmac-ripemd160@openssh.com': [['2.1.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_ENCRYPT_AND_MAC]], + 'umac-64@openssh.com': [['4.7'], [], [WARN_ENCRYPT_AND_MAC, WARN_TAG_SIZE]], + 'umac-128@openssh.com': [['6.2'], [], [WARN_ENCRYPT_AND_MAC]], + 'hmac-sha1-etm@openssh.com': [['6.2'], [], [WARN_HASH_WEAK]], + 'hmac-sha1-96-etm@openssh.com': [['6.2', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [WARN_HASH_WEAK]], + 'hmac-sha2-256-96-etm@openssh.com': [[], [], [WARN_TAG_SIZE_96]], # Despite the @openssh.com tag, it doesn't appear that this was ever shipped with OpenSSH; it is only implemented in AsyncSSH (?). + 'hmac-sha2-512-96-etm@openssh.com': [[], [], [WARN_TAG_SIZE_96]], # Despite the @openssh.com tag, it doesn't appear that this was ever shipped with OpenSSH; it is only implemented in AsyncSSH (?). + 'hmac-sha2-256-etm@openssh.com': [['6.2']], + 'hmac-sha2-512-etm@openssh.com': [['6.2']], + 'hmac-md5-etm@openssh.com': [['6.2', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_HASH_WEAK]], + 'hmac-md5-96-etm@openssh.com': [['6.2', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_HASH_WEAK]], + 'hmac-ripemd160-etm@openssh.com': [['6.2', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY]], + 'umac-32@openssh.com': [[], [], [WARN_ENCRYPT_AND_MAC, WARN_TAG_SIZE]], # Despite having the @openssh.com suffix, this may never have shipped with OpenSSH (!). + 'umac-64-etm@openssh.com': [['6.2'], [], [WARN_TAG_SIZE]], + 'umac-96@openssh.com': [[], [], [WARN_ENCRYPT_AND_MAC]], # Despite having the @openssh.com suffix, this may never have shipped with OpenSSH (!). + 'umac-128-etm@openssh.com': [['6.2']], + 'aes128-gcm': [[]], + 'aes256-gcm': [[]], + 'chacha20-poly1305@openssh.com': [[]], # Despite the @openssh.com tag, this was never shipped as a MAC in OpenSSH (only as a cipher); it is only implemented as a MAC in Syncplify. + 'crypticore-mac@ssh.com': [[], [FAIL_UNPROVEN]], + 'AEAD_AES_128_GCM': [[]], + 'AEAD_AES_256_GCM': [[]], + } + } |