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PKI(1) strongSwan PKI(1) NAME pki - Simple public key infrastructure (PKI) management tool SYNOPSIS pki command [option ...] pki -h | --help DESCRIPTION pki is a suite of commands that allow you to manage a simple public key infrastructure (PKI). Generate RSA and ECDSA key pairs, create PKCS#10 certificate requests containing subjectAltNames, create X.509 self-signed end-entity and root CA certificates, issue end-entity and intermediate CA certificates signed by the private key of a CA and containing subjectAltNames, CRL distribution points and URIs of OCSP servers. You can also extract raw public keys from private keys, certificate requests and certificates and compute two kinds of SHA-1-based key IDs. The pki command also supports certificate enrollment via the Simple Certificate Enrollment Protocol (SCEP) as defined by RFC 8894, replac- ing the obsoleted ipsec scepclient tool. Additionally the Enrollment over Secure Transport (EST) protocol (RFC 7030) is supported, too. The latest feature is an Online Certificate Status Protocol (OCSP) re- sponder as defined by RFC 6960, interoperating with an OpenXPKI server by directly accessing its internal certificate datebase. COMMANDS -h, --help Prints usage information and a short summary of the available commands. -g, --gen Generate a new private key. -s, --self Create a self-signed certificate. -i, --issue Issue a certificate using a CA certificate and key. -c, --signcrl Issue a CRL using a CA certificate and key. -z, --acert Issue an attribute certificate. -r, --req Create a PKCS#10 certificate request. -7, --pkcs7 Provides PKCS#7 wrap/unwrap functions. -k, --keyid Calculate key identifiers of a key or certificate. -a, --print Print a credential (key, certificate etc.) in human readable form. -d, --dn Extract the subject DN of an X.509 certificate. -p, --pub Extract a public key from a private key or certificate. -v, --verify Verify a certificate using a CA certificate. -S, --scep Enroll an X.509 certificate with a SCEP server. -C, --scepca Get CA [and RA] certificate[s] from a SCEP server. -E, --est Enroll an X.509 certificate with an EST server. -e, --estca Get CA certificate[s] from an EST server. -o, --ocsp OCSP request parser and OCSP responder. EXAMPLES Generating a CA Certificate The first step is to generate a private key using the --gen command. By default this generates a 2048-bit RSA key. pki --gen > ca_key.der This key is used to create the self-signed CA certificate, using the --self command. The distinguished name should be adjusted to your needs. pki --self --ca --in ca_key.der \ --dn "C=CH, O=strongSwan, CN=strongSwan CA" > ca_cert.der Generating End-Entity Certificates With the root CA certificate and key at hand end-entity certificates for clients and servers can be issued. Similarly intermediate CA cer- tificates can be issued, which in turn can issue other certificates. To generate a certificate for a server, we start by generating a pri- vate key. pki --gen > server_key.der The public key will be included in the certificate so lets extract that from the private key. pki --pub --in server_key.der > server_pub.der The following command will use the CA certificate and private key to issue the certificate for this server. Adjust the distinguished name, subjectAltName(s) and flags as needed (check pki --issue(8) for more options). pki --issue --in server_pub.der --cacert ca_cert.der \ --cakey ca_key.der --dn "C=CH, O=strongSwan, CN=VPN Server" \ --san vpn.strongswan.org --flag serverAuth > server_cert.der Instead of storing the public key in a separate file, the output of --pub may also be piped directly into the above command. Generating Certificate Revocation Lists (CRL) If end-entity certificates have to be revoked, CRLs may be generated using the --signcrl command. pki --signcrl --cacert ca_cert.der --cakey ca_key.der \ --reason superseded --cert server_cert.der > crl.der The certificate given with --cacert must be either a CA certificate or a certificate with the crlSign extended key usage (--flag crlSign). URIs to CRLs may be included in issued certificates with the --crl op- tion. SEE ALSO pki --gen(1), pki --self(1), pki --issue(1), pki --signcrl(1), pki --acert(1), pki --req(1), pki --pkcs7(1), pki --keyid(1), pki --print(1), pki --dn(1), pki --pub(1), pki --verify(1), pki --scep(1) pki --scepca(1) pki --est(1) pki --estca(1) pki --ocsp(1) 6.0.0 2023-10-20 PKI(1)
NAME | SYNOPSIS | DESCRIPTION | COMMANDS | EXAMPLES | SEE ALSO
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