mirror of
https://github.com/jtesta/ssh-audit.git
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Refactor KexDB.
This commit is contained in:
Andris Raugulis
parent
fba6397721
commit
0a5d66fcde
241
ssh-audit.py
241
ssh-audit.py
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@ -372,6 +372,117 @@ class KexGroup14(KexDH):
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super(KexGroup14, self).__init__('sha1', 2, p)
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class KexDB(object):
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WARN_OPENSSH72_LEGACY = 'disabled (in client) since OpenSSH 7.2, legacy algorithm'
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FAIL_OPENSSH70_LEGACY = 'removed since OpenSSH 7.0, legacy algorithm'
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FAIL_OPENSSH70_WEAK = 'removed (in server) and disabled (in client) since OpenSSH 7.0, weak algorithm'
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FAIL_OPENSSH70_LOGJAM = 'disabled (in client) since OpenSSH 7.0, logjam attack'
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INFO_OPENSSH69_CHACHA = 'default cipher since OpenSSH 6.9.'
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FAIL_OPENSSH67_UNSAFE = 'removed (in server) since OpenSSH 6.7, unsafe algorithm'
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FAIL_OPENSSH61_REMOVE = 'removed since OpenSSH 6.1, removed from specification'
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FAIL_OPENSSH31_REMOVE = 'removed since OpenSSH 3.1'
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FAIL_DBEAR67_DISABLED = 'disabled since Dropbear SSH 2015.67'
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FAIL_DBEAR53_DISABLED = 'disabled since Dropbear SSH 0.53'
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FAIL_PLAINTEXT = 'no encryption/integrity'
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WARN_CURVES_WEAK = 'using weak elliptic curves'
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WARN_RNDSIG_KEY = 'using weak random number generator could reveal the key'
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WARN_MODULUS_SIZE = 'using small 1024-bit modulus'
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WARN_MODULUS_CUSTOM = 'using custom size modulus (possibly weak)'
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WARN_HASH_WEAK = 'using weak hashing algorithm'
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WARN_CIPHER_MODE = 'using weak cipher mode'
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WARN_BLOCK_SIZE = 'using small 64-bit block size'
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WARN_CIPHER_WEAK = 'using weak cipher'
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WARN_ENCRYPT_AND_MAC = 'using encrypt-and-MAC mode'
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WARN_TAG_SIZE = 'using small 64-bit tag size'
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ALGORITHMS = {
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'kex': {
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'diffie-hellman-group1-sha1': [['2.3.0,d0.28', '6.6', '6.9'], [FAIL_OPENSSH67_UNSAFE, FAIL_OPENSSH70_LOGJAM], [WARN_MODULUS_SIZE, WARN_HASH_WEAK]],
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'diffie-hellman-group14-sha1': [['3.9,d0.53'], [], [WARN_HASH_WEAK]],
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'diffie-hellman-group14-sha256': [['7.3,d2016.73']],
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'diffie-hellman-group16-sha512': [['7.3,d2016.73']],
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'diffie-hellman-group18-sha512': [['7.3']],
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'diffie-hellman-group-exchange-sha1': [['2.3.0', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [WARN_HASH_WEAK]],
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'diffie-hellman-group-exchange-sha256': [['4.4'], [], [WARN_MODULUS_CUSTOM]],
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'ecdh-sha2-nistp256': [['5.7,d2013.62'], [WARN_CURVES_WEAK]],
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'ecdh-sha2-nistp384': [['5.7,d2013.62'], [WARN_CURVES_WEAK]],
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'ecdh-sha2-nistp521': [['5.7,d2013.62'], [WARN_CURVES_WEAK]],
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'curve25519-sha256@libssh.org': [['6.5,d2013.62']],
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'kexguess2@matt.ucc.asn.au': [['d2013.57']],
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},
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'key': {
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'rsa-sha2-256': [['7.2']],
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'rsa-sha2-512': [['7.2']],
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'ssh-ed25519': [['6.5']],
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'ssh-ed25519-cert-v01@openssh.com': [['6.5']],
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'ssh-rsa': [['2.5.0,d0.28']],
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'ssh-dss': [['2.1.0,d0.28', '6.9'], [FAIL_OPENSSH70_WEAK], [WARN_MODULUS_SIZE, WARN_RNDSIG_KEY]],
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'ecdsa-sha2-nistp256': [['5.7,d2013.62'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]],
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'ecdsa-sha2-nistp384': [['5.7,d2013.62'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]],
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'ecdsa-sha2-nistp521': [['5.7,d2013.62'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]],
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'ssh-rsa-cert-v00@openssh.com': [['5.4', '6.9'], [FAIL_OPENSSH70_LEGACY], []],
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'ssh-dss-cert-v00@openssh.com': [['5.4', '6.9'], [FAIL_OPENSSH70_LEGACY], [WARN_MODULUS_SIZE, WARN_RNDSIG_KEY]],
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'ssh-rsa-cert-v01@openssh.com': [['5.6']],
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'ssh-dss-cert-v01@openssh.com': [['5.6', '6.9'], [FAIL_OPENSSH70_WEAK], [WARN_MODULUS_SIZE, WARN_RNDSIG_KEY]],
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'ecdsa-sha2-nistp256-cert-v01@openssh.com': [['5.7'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]],
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'ecdsa-sha2-nistp384-cert-v01@openssh.com': [['5.7'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]],
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'ecdsa-sha2-nistp521-cert-v01@openssh.com': [['5.7'], [WARN_CURVES_WEAK], [WARN_RNDSIG_KEY]],
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},
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'enc': {
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'none': [['1.2.2,d2013.56'], [FAIL_PLAINTEXT]],
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'3des-cbc': [['1.2.2,d0.28', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [WARN_CIPHER_WEAK, WARN_CIPHER_MODE, WARN_BLOCK_SIZE]],
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'3des-ctr': [['d0.52']],
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'blowfish-cbc': [['1.2.2,d0.28', '6.6,d0.52', '7.1,d0.52'], [FAIL_OPENSSH67_UNSAFE, FAIL_DBEAR53_DISABLED], [WARN_OPENSSH72_LEGACY, WARN_CIPHER_MODE, WARN_BLOCK_SIZE]],
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'twofish-cbc': [['d0.28', 'd2014.66'], [FAIL_DBEAR67_DISABLED], [WARN_CIPHER_MODE]],
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'twofish128-cbc': [['d0.47', 'd2014.66'], [FAIL_DBEAR67_DISABLED], [WARN_CIPHER_MODE]],
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'twofish256-cbc': [['d0.47', 'd2014.66'], [FAIL_DBEAR67_DISABLED], [WARN_CIPHER_MODE]],
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'twofish128-ctr': [['d2015.68']],
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'twofish256-ctr': [['d2015.68']],
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'cast128-cbc': [['2.1.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_CIPHER_MODE, WARN_BLOCK_SIZE]],
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'arcfour': [['2.1.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_CIPHER_WEAK]],
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'arcfour128': [['4.2', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_CIPHER_WEAK]],
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'arcfour256': [['4.2', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_CIPHER_WEAK]],
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'aes128-cbc': [['2.3.0,d0.28', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [WARN_CIPHER_MODE]],
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'aes192-cbc': [['2.3.0', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [WARN_CIPHER_MODE]],
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'aes256-cbc': [['2.3.0,d0.47', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [WARN_CIPHER_MODE]],
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'rijndael128-cbc': [['2.3.0', '3.0.2'], [FAIL_OPENSSH31_REMOVE], [WARN_CIPHER_MODE]],
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'rijndael192-cbc': [['2.3.0', '3.0.2'], [FAIL_OPENSSH31_REMOVE], [WARN_CIPHER_MODE]],
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'rijndael256-cbc': [['2.3.0', '3.0.2'], [FAIL_OPENSSH31_REMOVE], [WARN_CIPHER_MODE]],
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'rijndael-cbc@lysator.liu.se': [['2.3.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_CIPHER_MODE]],
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'aes128-ctr': [['3.7,d0.52']],
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'aes192-ctr': [['3.7']],
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'aes256-ctr': [['3.7,d0.52']],
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'aes128-gcm@openssh.com': [['6.2']],
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'aes256-gcm@openssh.com': [['6.2']],
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'chacha20-poly1305@openssh.com': [['6.5'], [], [], [INFO_OPENSSH69_CHACHA]],
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},
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'mac': {
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'none': [['d2013.56'], [FAIL_PLAINTEXT]],
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'hmac-sha1': [['2.1.0,d0.28'], [], [WARN_ENCRYPT_AND_MAC, WARN_HASH_WEAK]],
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'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]],
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'hmac-sha2-256': [['5.9,d2013.56'], [], [WARN_ENCRYPT_AND_MAC]],
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'hmac-sha2-256-96': [['5.9', '6.0'], [FAIL_OPENSSH61_REMOVE], [WARN_ENCRYPT_AND_MAC]],
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'hmac-sha2-512': [['5.9,d2013.56'], [], [WARN_ENCRYPT_AND_MAC]],
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'hmac-sha2-512-96': [['5.9', '6.0'], [FAIL_OPENSSH61_REMOVE], [WARN_ENCRYPT_AND_MAC]],
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'hmac-md5': [['2.1.0,d0.28', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_ENCRYPT_AND_MAC, WARN_HASH_WEAK]],
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'hmac-md5-96': [['2.5.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_ENCRYPT_AND_MAC, WARN_HASH_WEAK]],
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'hmac-ripemd160': [['2.5.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_ENCRYPT_AND_MAC]],
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'hmac-ripemd160@openssh.com': [['2.1.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_ENCRYPT_AND_MAC]],
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'umac-64@openssh.com': [['4.7'], [], [WARN_ENCRYPT_AND_MAC, WARN_TAG_SIZE]],
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'umac-128@openssh.com': [['6.2'], [], [WARN_ENCRYPT_AND_MAC]],
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'hmac-sha1-etm@openssh.com': [['6.2'], [], [WARN_HASH_WEAK]],
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'hmac-sha1-96-etm@openssh.com': [['6.2', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [WARN_HASH_WEAK]],
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'hmac-sha2-256-etm@openssh.com': [['6.2']],
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'hmac-sha2-512-etm@openssh.com': [['6.2']],
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'hmac-md5-etm@openssh.com': [['6.2', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_HASH_WEAK]],
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'hmac-md5-96-etm@openssh.com': [['6.2', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, WARN_HASH_WEAK]],
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'hmac-ripemd160-etm@openssh.com': [['6.2', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY]],
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'umac-64-etm@openssh.com': [['6.2'], [], [WARN_TAG_SIZE]],
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'umac-128-etm@openssh.com': [['6.2']],
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}
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}
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def get_ssh_version(version_desc):
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if version_desc.startswith('d'):
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return ('Dropbear SSH', version_desc[1:])
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@ -379,15 +490,6 @@ def get_ssh_version(version_desc):
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return ('OpenSSH', version_desc)
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def get_alg_since_text(alg_desc):
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tv = []
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versions = alg_desc[0]
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for v in versions[0].split(','):
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ssh_prefix, ssh_version = get_ssh_version(v)
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tv.append('{0} {1}'.format(ssh_prefix, ssh_version))
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return 'available since ' + ', '.join(tv).rstrip(', ')
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def get_alg_timeframe(alg_desc, result={}):
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versions = alg_desc[0]
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vlen = len(versions)
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@ -425,121 +527,20 @@ def get_ssh_timeframe(kex):
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'mac': kex.server.mac}
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for alg_type, alg_list in algs.items():
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for alg_name in alg_list:
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alg_desc = KEX_DB[alg_type].get(alg_name)
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alg_desc = KexDB.ALGORITHMS[alg_type].get(alg_name)
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if alg_desc is None:
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continue
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alg_timeframe = get_alg_timeframe(alg_desc, alg_timeframe)
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return alg_timeframe
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WARN_OPENSSH72_LEGACY = 'disabled (in client) since OpenSSH 7.2, legacy algorithm'
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FAIL_OPENSSH70_LEGACY = 'removed since OpenSSH 7.0, legacy algorithm'
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FAIL_OPENSSH70_WEAK = 'removed (in server) and disabled (in client) since OpenSSH 7.0, weak algorithm'
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FAIL_OPENSSH70_LOGJAM = 'disabled (in client) since OpenSSH 7.0, logjam attack'
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INFO_OPENSSH69_CHACHA = 'default cipher since OpenSSH 6.9.'
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FAIL_OPENSSH67_UNSAFE = 'removed (in server) since OpenSSH 6.7, unsafe algorithm'
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FAIL_OPENSSH61_REMOVE = 'removed since OpenSSH 6.1, removed from specification'
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FAIL_OPENSSH31_REMOVE = 'removed since OpenSSH 3.1'
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FAIL_DBEAR67_DISABLED = 'disabled since Dropbear SSH 2015.67'
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FAIL_DBEAR53_DISABLED = 'disabled since Dropbear SSH 0.53'
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FAIL_PLAINTEXT = 'no encryption/integrity'
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TEXT_CURVES_WEAK = 'using weak elliptic curves'
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TEXT_RNDSIG_KEY = 'using weak random number generator could reveal the key'
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TEXT_MODULUS_SIZE = 'using small 1024-bit modulus'
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TEXT_MODULUS_CUSTOM = 'using custom size modulus (possibly weak)'
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TEXT_HASH_WEAK = 'using weak hashing algorithm'
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TEXT_CIPHER_MODE = 'using weak cipher mode'
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TEXT_BLOCK_SIZE = 'using small 64-bit block size'
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TEXT_CIPHER_WEAK = 'using weak cipher'
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TEXT_ENCRYPT_AND_MAC = 'using encrypt-and-MAC mode'
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TEXT_TAG_SIZE = 'using small 64-bit tag size'
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KEX_DB = {
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'kex': {
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'diffie-hellman-group1-sha1': [['2.3.0,d0.28', '6.6', '6.9'], [FAIL_OPENSSH67_UNSAFE, FAIL_OPENSSH70_LOGJAM], [TEXT_MODULUS_SIZE, TEXT_HASH_WEAK]],
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'diffie-hellman-group14-sha1': [['3.9,d0.53'], [], [TEXT_HASH_WEAK]],
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'diffie-hellman-group14-sha256': [['7.3,d2016.73']],
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'diffie-hellman-group16-sha512': [['7.3,d2016.73']],
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'diffie-hellman-group18-sha512': [['7.3']],
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'diffie-hellman-group-exchange-sha1': [['2.3.0', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [TEXT_HASH_WEAK]],
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'diffie-hellman-group-exchange-sha256': [['4.4'], [], [TEXT_MODULUS_CUSTOM]],
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'ecdh-sha2-nistp256': [['5.7,d2013.62'], [TEXT_CURVES_WEAK]],
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'ecdh-sha2-nistp384': [['5.7,d2013.62'], [TEXT_CURVES_WEAK]],
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'ecdh-sha2-nistp521': [['5.7,d2013.62'], [TEXT_CURVES_WEAK]],
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'curve25519-sha256@libssh.org': [['6.5,d2013.62']],
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'kexguess2@matt.ucc.asn.au': [['d2013.57']],
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},
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'key': {
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'rsa-sha2-256': [['7.2']],
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'rsa-sha2-512': [['7.2']],
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'ssh-ed25519': [['6.5']],
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'ssh-ed25519-cert-v01@openssh.com': [['6.5']],
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'ssh-rsa': [['2.5.0,d0.28']],
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'ssh-dss': [['2.1.0,d0.28', '6.9'], [FAIL_OPENSSH70_WEAK], [TEXT_MODULUS_SIZE, TEXT_RNDSIG_KEY]],
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'ecdsa-sha2-nistp256': [['5.7,d2013.62'], [TEXT_CURVES_WEAK], [TEXT_RNDSIG_KEY]],
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'ecdsa-sha2-nistp384': [['5.7,d2013.62'], [TEXT_CURVES_WEAK], [TEXT_RNDSIG_KEY]],
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'ecdsa-sha2-nistp521': [['5.7,d2013.62'], [TEXT_CURVES_WEAK], [TEXT_RNDSIG_KEY]],
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'ssh-rsa-cert-v00@openssh.com': [['5.4', '6.9'], [FAIL_OPENSSH70_LEGACY], []],
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'ssh-dss-cert-v00@openssh.com': [['5.4', '6.9'], [FAIL_OPENSSH70_LEGACY], [TEXT_MODULUS_SIZE, TEXT_RNDSIG_KEY]],
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'ssh-rsa-cert-v01@openssh.com': [['5.6']],
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'ssh-dss-cert-v01@openssh.com': [['5.6', '6.9'], [FAIL_OPENSSH70_WEAK], [TEXT_MODULUS_SIZE, TEXT_RNDSIG_KEY]],
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'ecdsa-sha2-nistp256-cert-v01@openssh.com': [['5.7'], [TEXT_CURVES_WEAK], [TEXT_RNDSIG_KEY]],
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'ecdsa-sha2-nistp384-cert-v01@openssh.com': [['5.7'], [TEXT_CURVES_WEAK], [TEXT_RNDSIG_KEY]],
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'ecdsa-sha2-nistp521-cert-v01@openssh.com': [['5.7'], [TEXT_CURVES_WEAK], [TEXT_RNDSIG_KEY]],
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},
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'enc': {
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'none': [['1.2.2,d2013.56'], [FAIL_PLAINTEXT]],
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'3des-cbc': [['1.2.2,d0.28', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [TEXT_CIPHER_WEAK, TEXT_CIPHER_MODE, TEXT_BLOCK_SIZE]],
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'3des-ctr': [['d0.52']],
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'blowfish-cbc': [['1.2.2,d0.28', '6.6,d0.52', '7.1,d0.52'], [FAIL_OPENSSH67_UNSAFE, FAIL_DBEAR53_DISABLED], [WARN_OPENSSH72_LEGACY, TEXT_CIPHER_MODE, TEXT_BLOCK_SIZE]],
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'twofish-cbc': [['d0.28', 'd2014.66'], [FAIL_DBEAR67_DISABLED], [TEXT_CIPHER_MODE]],
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'twofish128-cbc': [['d0.47', 'd2014.66'], [FAIL_DBEAR67_DISABLED], [TEXT_CIPHER_MODE]],
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'twofish256-cbc': [['d0.47', 'd2014.66'], [FAIL_DBEAR67_DISABLED], [TEXT_CIPHER_MODE]],
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'twofish128-ctr': [['d2015.68']],
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'twofish256-ctr': [['d2015.68']],
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'cast128-cbc': [['2.1.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, TEXT_CIPHER_MODE, TEXT_BLOCK_SIZE]],
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'arcfour': [['2.1.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, TEXT_CIPHER_WEAK]],
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'arcfour128': [['4.2', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, TEXT_CIPHER_WEAK]],
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'arcfour256': [['4.2', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, TEXT_CIPHER_WEAK]],
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'aes128-cbc': [['2.3.0,d0.28', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [TEXT_CIPHER_MODE]],
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'aes192-cbc': [['2.3.0', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [TEXT_CIPHER_MODE]],
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'aes256-cbc': [['2.3.0,d0.47', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [TEXT_CIPHER_MODE]],
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'rijndael128-cbc': [['2.3.0', '3.0.2'], [FAIL_OPENSSH31_REMOVE], [TEXT_CIPHER_MODE]],
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'rijndael192-cbc': [['2.3.0', '3.0.2'], [FAIL_OPENSSH31_REMOVE], [TEXT_CIPHER_MODE]],
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'rijndael256-cbc': [['2.3.0', '3.0.2'], [FAIL_OPENSSH31_REMOVE], [TEXT_CIPHER_MODE]],
|
||||
'rijndael-cbc@lysator.liu.se': [['2.3.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, TEXT_CIPHER_MODE]],
|
||||
'aes128-ctr': [['3.7,d0.52']],
|
||||
'aes192-ctr': [['3.7']],
|
||||
'aes256-ctr': [['3.7,d0.52']],
|
||||
'aes128-gcm@openssh.com': [['6.2']],
|
||||
'aes256-gcm@openssh.com': [['6.2']],
|
||||
'chacha20-poly1305@openssh.com': [['6.5'], [], [], [INFO_OPENSSH69_CHACHA]],
|
||||
},
|
||||
'mac': {
|
||||
'none': [['d2013.56'], [FAIL_PLAINTEXT]],
|
||||
'hmac-sha1': [['2.1.0,d0.28'], [], [TEXT_ENCRYPT_AND_MAC, TEXT_HASH_WEAK]],
|
||||
'hmac-sha1-96': [['2.5.0,d0.47', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, TEXT_ENCRYPT_AND_MAC, TEXT_HASH_WEAK]],
|
||||
'hmac-sha2-256': [['5.9,d2013.56'], [], [TEXT_ENCRYPT_AND_MAC]],
|
||||
'hmac-sha2-256-96': [['5.9', '6.0'], [FAIL_OPENSSH61_REMOVE], [TEXT_ENCRYPT_AND_MAC]],
|
||||
'hmac-sha2-512': [['5.9,d2013.56'], [], [TEXT_ENCRYPT_AND_MAC]],
|
||||
'hmac-sha2-512-96': [['5.9', '6.0'], [FAIL_OPENSSH61_REMOVE], [TEXT_ENCRYPT_AND_MAC]],
|
||||
'hmac-md5': [['2.1.0,d0.28', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, TEXT_ENCRYPT_AND_MAC, TEXT_HASH_WEAK]],
|
||||
'hmac-md5-96': [['2.5.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, TEXT_ENCRYPT_AND_MAC, TEXT_HASH_WEAK]],
|
||||
'hmac-ripemd160': [['2.5.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, TEXT_ENCRYPT_AND_MAC]],
|
||||
'hmac-ripemd160@openssh.com': [['2.1.0', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, TEXT_ENCRYPT_AND_MAC]],
|
||||
'umac-64@openssh.com': [['4.7'], [], [TEXT_ENCRYPT_AND_MAC, TEXT_TAG_SIZE]],
|
||||
'umac-128@openssh.com': [['6.2'], [], [TEXT_ENCRYPT_AND_MAC]],
|
||||
'hmac-sha1-etm@openssh.com': [['6.2'], [], [TEXT_HASH_WEAK]],
|
||||
'hmac-sha1-96-etm@openssh.com': [['6.2', '6.6', None], [FAIL_OPENSSH67_UNSAFE], [TEXT_HASH_WEAK]],
|
||||
'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, TEXT_HASH_WEAK]],
|
||||
'hmac-md5-96-etm@openssh.com': [['6.2', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY, TEXT_HASH_WEAK]],
|
||||
'hmac-ripemd160-etm@openssh.com': [['6.2', '6.6', '7.1'], [FAIL_OPENSSH67_UNSAFE], [WARN_OPENSSH72_LEGACY]],
|
||||
'umac-64-etm@openssh.com': [['6.2'], [], [TEXT_TAG_SIZE]],
|
||||
'umac-128-etm@openssh.com': [['6.2']],
|
||||
}
|
||||
}
|
||||
def get_alg_since_text(alg_desc):
|
||||
tv = []
|
||||
versions = alg_desc[0]
|
||||
for v in versions[0].split(','):
|
||||
ssh_prefix, ssh_version = get_ssh_version(v)
|
||||
tv.append('{0} {1}'.format(ssh_prefix, ssh_version))
|
||||
return 'available since ' + ', '.join(tv).rstrip(', ')
|
||||
|
||||
|
||||
def output_algorithms(title, alg_type, algorithms, maxlen=0):
|
||||
|
|
@ -558,8 +559,8 @@ def output_algorithm(alg_type, alg_name, alg_max_len=0):
|
|||
alg_max_len = len(alg_name)
|
||||
padding = ' ' * (alg_max_len - len(alg_name))
|
||||
texts = []
|
||||
if alg_name in KEX_DB[alg_type]:
|
||||
alg_desc = KEX_DB[alg_type][alg_name]
|
||||
if alg_name in KexDB.ALGORITHMS[alg_type]:
|
||||
alg_desc = KexDB.ALGORITHMS[alg_type][alg_name]
|
||||
ldesc = len(alg_desc)
|
||||
for idx, level in enumerate(['fail', 'warn', 'info']):
|
||||
if level == 'info':
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user