Ssl

OpenSSL

Заметки на полях что б каждый раз не читать мануал

Получить сертефикат

openssl s_client -connect example.com:443 

echo -n | openssl s_client -showcerts -connect api.diffbot.com:443 -servername api.diffbot.com

CONNECTED(00000003)
depth=2 C = US, O = Internet Security Research Group, CN = ISRG Root X1
verify error:num=20:unable to get local issuer certificate
verify return:0
---
Certificate chain
 0 s:/CN=api.diffbot.com
   i:/C=US/O=Let's Encrypt/CN=R3
-----BEGIN CERTIFICATE-----
MIIFJDCCBAygAwIBAgISBFLfLeNzhyHJCOLtTTFsrh7gMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMTA4MTIwNzI4NDRaFw0yMTExMTAwNzI4NDJaMBoxGDAWBgNVBAMT
D2FwaS5kaWZmYm90LmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB
AKyP5dzpbQO2yXzpc0eC3t8iRbFdGVn0TG5lTQVbBDchcZ0MLrvBtdv7L+4xqc5A
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tnAJ+Te/ADL3kyLbKUdXNWUkWaO+k+6Cunz7DRx+zMx2BzBfkcd5ypf0NcRPy6VC
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CwUAA4IBAQAr1MkfbXbGXLd0O8+w+JVGotlaJkwLUpBfL2jZ9ydPdBgTYm7sEnsa
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wbiXI+outWMvqpD0pIbDsRHu8Xs2BS5n
-----END CERTIFICATE-----
 1 s:/C=US/O=Let's Encrypt/CN=R3
   i:/C=US/O=Internet Security Research Group/CN=ISRG Root X1
-----BEGIN CERTIFICATE-----
MIIFFjCCAv6gAwIBAgIRAJErCErPDBinU/bWLiWnX1owDQYJKoZIhvcNAQELBQAw
TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh
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nLRbwHOoq7hHwg==
-----END CERTIFICATE-----
 2 s:/C=US/O=Internet Security Research Group/CN=ISRG Root X1
   i:/O=Digital Signature Trust Co./CN=DST Root CA X3
-----BEGIN CERTIFICATE-----
MIIFYDCCBEigAwIBAgIQQAF3ITfU6UK47naqPGQKtzANBgkqhkiG9w0BAQsFADA/
MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT
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AQUAA4ICDwAwggIKAoICAQCt6CRz9BQ385ueK1coHIe+3LffOJCMbjzmV6B493XC
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Dfvp7OOGAN6dEOM4+qR9sdjoSYKEBpsr6GtPAQw4dy753ec5
-----END CERTIFICATE-----
---
Server certificate
subject=/CN=api.diffbot.com
issuer=/C=US/O=Let's Encrypt/CN=R3
---
No client certificate CA names sent
---
SSL handshake has read 4702 bytes and written 445 bytes
---
New, TLSv1/SSLv3, Cipher is ECDHE-RSA-AES256-GCM-SHA384
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
SSL-Session:
    Protocol  : TLSv1.2
    Cipher    : ECDHE-RSA-AES256-GCM-SHA384
    Session-ID: 11834EAF003B0B311A756947F00C5FF07A14AEB57FE9374DBC2D2E51C805E1F0
    Session-ID-ctx:
    Master-Key: 261A38BACE36C1386B29F64D596D097AE428CAC303A377B9D6682ED304C1929336F96616405182D5B0E512D925B459EA
    Key-Arg   : None
    PSK identity: None
    PSK identity hint: None
    SRP username: None
    TLS session ticket lifetime hint: 300 (seconds)
    TLS session ticket:
    0000 - d5 bf f6 94 74 53 bb 5c-51 54 4e 62 fe dc af 7b   ....tS.\QTNb...{
    0010 - f2 45 52 46 d6 c1 84 cf-34 e1 b6 3b e1 3d b5 26   .ERF....4..;.=.&
    0020 - f8 4a b6 d6 1e ae bc 89-a8 7f d0 dc 84 83 a9 6b   .J.............k
    0030 - d9 f4 9b ef 9a 82 da f3-bd e8 8b 8f 25 43 eb 96   ............%C..
    0040 - 6b f6 b7 7f 16 ab 4e b0-11 b0 a9 0c f8 1f 13 15   k.....N.........
    0050 - 1d fe 68 3f 0c f8 83 f0-50 45 1c b7 2f f2 ea 31   ..h?....PE../..1
    0060 - 33 4a dc 35 63 46 cd a7-07 78 8f d1 40 f6 b2 ad   3J.5cF...x..@...
    0070 - c6 06 90 b3 76 2d 61 61-ca c4 92 46 a2 78 72 59   ....v-aa...F.xrY
    0080 - 53 dd eb cc f5 cb 91 a8-58 6c 64 58 4e 4d fd 5b   S.......XldXNM.[
    0090 - ef 98 89 0d 30 8a 57 18-1b c0 f6 c2 ea 2f 63 e4   ....0.W....../c.
    00a0 - 6a d2 da 6c 34 c8 b6 a3-f7 79 25 d2 07 d1 08 18   j..l4....y%.....
    00b0 - 0d 50 0f 9f e9 eb f6 16-ee c1 f9 dc 84 83 75 57   .P............uW

    Start Time: 1633343371
    Timeout   : 300 (sec)
    Verify return code: 20 (unable to get local issuer certificate)
---
DONE

Перевести в текст

openssl x509 -in FileName.pem -text

Ссылки

• Consul SSL: http://russellsimpkins.blogspot.com/2015/10/consul-adding-tls-using-self-signed.html