J'recréé un certificat en renseignants les zpnes de cette manièe:
 Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 1048577 (0x100001)
    Signature Algorithm: sha1WithRSAEncryption
        Issuer: C=fr, ST=Sud Ouest, L=Toulouse, O=trazom, OU=Certificate Authority, CN=PHPki Certificate Authority/emailAddress=trazom.informatique@free.fr
        Validity
            Not Before: Jul  1 21:49:12 2017 GMT
            Not After : Jul  2 21:49:12 2019 GMT
        Subject: C=fr, ST=Sud Ouest, L=grenoble, O=ens, O=21232f297a57a5a743894a0e4a801fc3, OU=phy, CN=thierry/emailAddress=trazom.informatique@free.fr
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:d4:49:5f:d2:43:8d:ef:e2:43:f2:3f:8a:10:c9:
                    e9:7c:74:27:91:29:c7:82:c8:d9:1d:80:83:4f:ad:
                    9d:a1:f9:99:c3:6e:7c:fc:8e:3f:cb:21:91:a8:af:
                    fb:3a:8e:a3:18:e3:25:ce:87:5b:8e:1a:49:d7:9d:
                    99:b2:ff:c5:34:66:32:0d:15:20:6a:b0:e8:71:10:
                    a8:64:96:6f:25:bf:12:0b:f3:39:bc:d0:c3:2e:f7:
                    b4:04:3d:0a:07:51:6a:fc:0e:7a:93:44:37:6c:86:
                    85:82:3b:47:9b:39:cf:04:2e:34:22:b3:7b:d9:61:
                    8b:eb:c5:55:4a:4c:2f:58:e9:f1:64:03:a6:48:b5:
                    c7:b8:c5:e5:bb:eb:ee:01:39:f1:56:25:c8:a2:c9:
                    c2:3c:83:d2:e8:28:c1:43:3b:ac:00:e0:2e:e6:85:
                    87:37:2d:b3:ca:c0:38:0f:19:9a:76:f2:ed:76:bc:
                    38:cb:b1:cd:5a:49:45:06:97:12:83:dc:8a:09:e5:
                    38:fa:94:b9:d7:4e:db:3a:3d:d6:30:35:c3:9c:fe:
                    f4:b7:ee:d3:be:b9:57:81:37:1a:96:d2:0a:89:96:
                    f2:43:a2:c2:fe:b9:05:3e:7f:2c:af:6a:4e:d2:e7:
                    b3:04:e7:fd:7c:3e:69:59:6a:48:d0:69:b2:63:8a:
                    28:69
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Basic Constraints: critical
                CA:FALSE
            X509v3 Key Usage: critical
                Digital Signature, Non Repudiation, Key Encipherment
            X509v3 Extended Key Usage: critical
                E-mail Protection, TLS Web Client Authentication
            Netscape Cert Type: critical
                SSL Client, S/MIME
            X509v3 Subject Key Identifier: 
                B1:ED:BC:C8:DF:92:BF:86:25:4A:8C:81:3C:69:E0:F5:11:2F:54:D8
            X509v3 Authority Key Identifier: 
                keyid:9D:F7:68:86:3C:A1:84:B7:B7:6B:A1:7F:D4:77:B1:B7:63:54:75:5B
                DirName:/C=fr/ST=Sud Ouest/L=Toulouse/O=trazom/OU=Certificate Authority/CN=PHPki Certificate Authority/emailAddress=trazom.informatique@free.fr
                serial:A5:44:F6:B9:12:0A:F6:56
            X509v3 Subject Alternative Name: 
                email:trazom.informatique@free.fr
            X509v3 Issuer Alternative Name: 
                email:trazom.informatique@free.fr
            X509v3 CRL Distribution Points: 
                Full Name:
                  URI:https://trazom.thierry/phpki/index.php?stage=dl_crl
            Netscape Comment: 
                PHPki/OpenSSL Generated Personal Certificate
            Netscape Base Url:                 
https://trazom.thierry/phpki/            Netscape Revocation Url: 
                ns_revoke_query.php?
            Netscape CA Policy Url:                 
https://trazom.thierry/phpki/policy.html    Signature Algorithm: sha1WithRSAEncryption
         27:25:fc:f7:97:18:02:bc:f3:20:5b:e7:e8:66:58:cc:20:e4:
         fd:7b:01:1c:15:b6:7c:c4:66:fc:7d:97:45:40:4d:48:11:4c:
         81:29:ce:c9:13:0c:4f:9d:b1:73:e1:6e:56:9b:4e:22:48:a2:
         14:70:22:11:98:41:5f:8b:60:16:de:c9:d2:70:38:08:12:e8:
         ec:ab:77:79:f3:00:54:22:b2:43:74:04:80:fb:ea:76:1b:13:
         7d:35:ac:55:27:d9:fa:29:54:80:16:d3:85:a9:1f:63:c8:5b:
         a2:f2:38:bb:96:3d:83:9a:1d:7b:6a:65:94:a7:45:c8:de:e0:
         4c:35:70:41:51:f5:c8:c8:87:db:9f:fb:66:37:9b:46:f4:41:
         0e:57:54:e0:df:a1:8d:c0:85:80:41:4a:70:2a:3f:ef:6e:de:
         ce:6d:18:a7:a2:79:96:2d:fd:4a:b6:ab:e9:6a:44:2c:6e:f1:
         5d:b6:a7:cc:de:5c:ce:27:d9:14:45:a3:0a:31:75:4c:3d:2b:
         3c:2e:5b:2a:86:d2:52:d6:b4:b7:f8:5e:13:33:9f:b0:59:88:
         1d:a6:74:eb:64:5b:26:50:ed:28:2b:7e:ed:b5:53:fa:2e:4b:
         f6:e8:d3:3e:31:2c:80:09:d2:77:a8:34:a2:6e:40:a0:31:8c:
         e4:11:9e:7c
Certificate purposes:
SSL client : Yes
SSL client CA : No
SSL server : No
SSL server CA : No
Netscape SSL server : No
Netscape SSL server CA : No
S/MIME signing : Yes
S/MIME signing CA : No
S/MIME encryption : Yes
S/MIME encryption CA : No
CRL signing : No
CRL signing CA : No
Any Purpose : Yes
Any Purpose CA : Yes
OCSP helper : Yes
OCSP helper CA : No
Time Stamp signing : No
Time Stamp signing CA : No
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE----- 
qu'est ce que j'en fait?