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Updated README
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Julien Vehent
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README.md
205
README.md
@ -1,6 +1,8 @@
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CipherScan
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==========
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A very simple way to find out which SSL ciphersuites are supported by a target.
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A very simple way to find out which SSL/TLS ciphersuites are supported by a target.
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Cipherscan tests the ordering of the SSL/TLS ciphers on a given target, for all major versions of SSL and TLS. It also extracts some certificates informations. Cipherscan uses the `openssl s_client` command line to run the tests.
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On Linux x86_64 run: ./cipherscan www.google.com:443
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On any other *nix or *tux run: ./cipherscan -o /path/to/openssl www.google.com:443
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@ -44,38 +46,183 @@ Testing plain SSL/TLS:
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```
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linux $ ./cipherscan www.google.com:443
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...................
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prio ciphersuite protocols pubkey_size signature_algorithm trusted pfs_keysize
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1 ECDHE-RSA-CHACHA20-POLY1305 TLSv1.2 2048 sha1WithRSAEncryption True ECDH,P-256,256bits
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2 ECDHE-RSA-AES128-GCM-SHA256 TLSv1.2 2048 sha1WithRSAEncryption True ECDH,P-256,256bits
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3 ECDHE-RSA-AES128-SHA TLSv1.1,TLSv1.2 2048 sha1WithRSAEncryption True ECDH,P-256,256bits
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4 ECDHE-RSA-RC4-SHA SSLv3,TLSv1,TLSv1.1,TLSv1.2 2048 sha1WithRSAEncryption True ECDH,P-256,256bits
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5 AES128-GCM-SHA256 TLSv1.2 2048 sha1WithRSAEncryption True
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6 AES128-SHA256 TLSv1.2 2048 sha1WithRSAEncryption True
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7 AES128-SHA TLSv1.1,TLSv1.2 2048 sha1WithRSAEncryption True
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8 RC4-SHA SSLv3,TLSv1,TLSv1.1,TLSv1.2 2048 sha1WithRSAEncryption True
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9 RC4-MD5 SSLv3,TLSv1,TLSv1.1,TLSv1.2 2048 sha1WithRSAEncryption True
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10 ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2 2048 sha1WithRSAEncryption True ECDH,P-256,256bits
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11 ECDHE-RSA-AES256-SHA384 TLSv1.2 2048 sha1WithRSAEncryption True ECDH,P-256,256bits
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12 ECDHE-RSA-AES256-SHA SSLv3,TLSv1,TLSv1.1,TLSv1.2 2048 sha1WithRSAEncryption True ECDH,P-256,256bits
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13 AES256-GCM-SHA384 TLSv1.2 2048 sha1WithRSAEncryption True
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14 AES256-SHA256 TLSv1.2 2048 sha1WithRSAEncryption True
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15 AES256-SHA SSLv3,TLSv1,TLSv1.1,TLSv1.2 2048 sha1WithRSAEncryption True
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16 ECDHE-RSA-DES-CBC3-SHA SSLv3,TLSv1,TLSv1.1,TLSv1.2 2048 sha1WithRSAEncryption True ECDH,P-256,256bits
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17 DES-CBC3-SHA SSLv3,TLSv1,TLSv1.1,TLSv1.2 2048 sha1WithRSAEncryption True
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18 ECDHE-RSA-AES128-SHA256 TLSv1.2 2048 sha1WithRSAEncryption True ECDH,P-256,256bits
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prio ciphersuite protocols pfs_keysize
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1 ECDHE-RSA-CHACHA20-POLY1305 TLSv1.2 ECDH,P-256,256bits
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2 ECDHE-RSA-AES128-GCM-SHA256 TLSv1.2 ECDH,P-256,256bits
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3 ECDHE-RSA-AES128-SHA TLSv1.1,TLSv1.2 ECDH,P-256,256bits
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4 ECDHE-RSA-RC4-SHA SSLv3,TLSv1,TLSv1.1,TLSv1.2 ECDH,P-256,256bits
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5 AES128-GCM-SHA256 TLSv1.2
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6 AES128-SHA256 TLSv1.2
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7 AES128-SHA TLSv1.1,TLSv1.2
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8 RC4-SHA SSLv3,TLSv1,TLSv1.1,TLSv1.2
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9 RC4-MD5 SSLv3,TLSv1,TLSv1.1,TLSv1.2
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10 ECDHE-RSA-AES256-GCM-SHA384 TLSv1.2 ECDH,P-256,256bits
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11 ECDHE-RSA-AES256-SHA384 TLSv1.2 ECDH,P-256,256bits
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12 ECDHE-RSA-AES256-SHA SSLv3,TLSv1,TLSv1.1,TLSv1.2 ECDH,P-256,256bits
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13 AES256-GCM-SHA384 TLSv1.2
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14 AES256-SHA256 TLSv1.2
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15 AES256-SHA SSLv3,TLSv1,TLSv1.1,TLSv1.2
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16 ECDHE-RSA-DES-CBC3-SHA SSLv3,TLSv1,TLSv1.1,TLSv1.2 ECDH,P-256,256bits
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17 DES-CBC3-SHA SSLv3,TLSv1,TLSv1.1,TLSv1.2
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18 ECDHE-RSA-AES128-SHA256 TLSv1.2 ECDH,P-256,256bits
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Certificate: trusted, 2048 bit, sha1WithRSAEncryption signature
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```
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Testing STARTTLS:
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```
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darwin $ ./cipherscan -o ./openssl-mine -starttls xmpp jabber.ccc.de:5222
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.........
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prio ciphersuite protocols pubkey_size signature_algorithm trusted pfs_keysize
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1 DHE-RSA-AES256-SHA SSLv3,TLSv1 2048 sha1WithRSAEncryption False DH,1024bits
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2 AES256-SHA SSLv3,TLSv1 2048 sha1WithRSAEncryption False
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3 EDH-RSA-DES-CBC3-SHA SSLv3,TLSv1 2048 sha1WithRSAEncryption False DH,1024bits
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4 DES-CBC3-SHA SSLv3,TLSv1 2048 sha1WithRSAEncryption False
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5 DHE-RSA-AES128-SHA SSLv3,TLSv1 2048 sha1WithRSAEncryption False DH,1024bits
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6 AES128-SHA SSLv3,TLSv1 2048 sha1WithRSAEncryption False
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7 RC4-SHA SSLv3,TLSv1 2048 sha1WithRSAEncryption False
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8 RC4-MD5 SSLv3,TLSv1 2048 sha1WithRSAEncryption False
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.........
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prio ciphersuite protocols pfs_keysize
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1 DHE-RSA-AES256-SHA SSLv3,TLSv1 DH,1024bits
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2 AES256-SHA SSLv3,TLSv1
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3 EDH-RSA-DES-CBC3-SHA SSLv3,TLSv1 DH,1024bits
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4 DES-CBC3-SHA SSLv3,TLSv1
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5 DHE-RSA-AES128-SHA SSLv3,TLSv1 DH,1024bits
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6 AES128-SHA SSLv3,TLSv1
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7 RC4-SHA SSLv3,TLSv1
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8 RC4-MD5 SSLv3,TLSv1
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Certificate: UNTRUSTED, 2048 bit, sha1WithRSAEncryption signature
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```
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Exporting to JSON with the `-j` command line option:
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```javascript
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$ /cipherscan -j -starttls xmpp jabber.ccc.de:5222
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{
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"target": "jabber.ccc.de:5222",
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"date": "Sat, 19 Apr 2014 11:40:40 -0400",
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"ciphersuite": [
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{
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"cipher": "DHE-RSA-AES256-SHA",
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"protocols": [
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"SSLv3",
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"TLSv1"
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],
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"pubkey": [
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"2048"
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],
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"sigalg": [
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"sha1WithRSAEncryption"
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],
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"trusted": "False",
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"pfs": "DH,1024bits"
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},
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{
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"cipher": "AES256-SHA",
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"protocols": [
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"SSLv3",
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"TLSv1"
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],
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"pubkey": [
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"2048"
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],
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"sigalg": [
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"sha1WithRSAEncryption"
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],
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"trusted": "False",
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"pfs": "None"
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},
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{
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"cipher": "EDH-RSA-DES-CBC3-SHA",
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"protocols": [
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"SSLv3",
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"TLSv1"
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],
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"pubkey": [
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"2048"
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],
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"sigalg": [
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"sha1WithRSAEncryption"
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],
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"trusted": "False",
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"pfs": "DH,1024bits"
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},
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{
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"cipher": "DES-CBC3-SHA",
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"protocols": [
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"SSLv3",
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"TLSv1"
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],
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"pubkey": [
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"2048"
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],
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"sigalg": [
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"sha1WithRSAEncryption"
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],
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"trusted": "False",
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"pfs": "None"
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},
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{
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"cipher": "DHE-RSA-AES128-SHA",
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"protocols": [
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"SSLv3",
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"TLSv1"
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],
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"pubkey": [
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"2048"
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],
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"sigalg": [
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"sha1WithRSAEncryption"
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],
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"trusted": "False",
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"pfs": "DH,1024bits"
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},
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{
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"cipher": "AES128-SHA",
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"protocols": [
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"SSLv3",
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"TLSv1"
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],
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"pubkey": [
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"2048"
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],
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"sigalg": [
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"sha1WithRSAEncryption"
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],
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"trusted": "False",
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"pfs": "None"
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},
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{
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"cipher": "RC4-SHA",
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"protocols": [
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"SSLv3",
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"TLSv1"
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],
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"pubkey": [
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"2048"
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],
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"sigalg": [
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"sha1WithRSAEncryption"
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],
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"trusted": "False",
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"pfs": "None"
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},
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{
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"cipher": "RC4-MD5",
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"protocols": [
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"SSLv3",
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"TLSv1"
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],
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"pubkey": [
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"2048"
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],
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"sigalg": [
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"sha1WithRSAEncryption"
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],
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"trusted": "False",
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"pfs": "None"
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}
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]
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}
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```
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Contributors
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------------
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* Julien Vehent <julien@linuxwall.info> (original author)
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* Hubert Kario <hkario@redhat.com>
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* Pepi Zawodsky <git@maclemon.at>
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* Michael Zeltner <m@niij.org>
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* Simon Deziel <simon.deziel@gmail.com>
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