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| .IX Title "swtpm_cert 8" |
| .TH swtpm_cert 8 "2017-11-13" "swtpm" "" |
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| .nh |
| .SH "NAME" |
| swtpm_cert \- Tool to create EK and platform certs for swtpm (1.2 & 2.0) |
| .SH "SYNOPSIS" |
| .IX Header "SYNOPSIS" |
| \&\fBswtpm_cert [\s-1OPTIONS\s0]\fR |
| .SH "DESCRIPTION" |
| .IX Header "DESCRIPTION" |
| \&\fBswtpm_cert\fR is a local \s-1CA\s0 tool for creating X.509v3 certificates for the \s-1TPM\s0's |
| Endorsement Key. The reason for this specific tool is that it works without access |
| to the Endorsement Key's private key. Typically tools require either a self-signed |
| certificate request or access to the private key to issue a certificate. |
| This tool works with only the public key part. |
| .PP |
| The following options are supported: |
| .IP "\fB\-\-type {ek|platform|aik}\fR" 4 |
| .IX Item "--type {ek|platform|aik}" |
| The type of certificate to create; by default an \s-1EK\s0 certificate is created. |
| .IP "\fB\-\-pubkey <filename\fR>" 4 |
| .IX Item "--pubkey <filename>" |
| The public key (\s-1EK\s0) in \s-1PEM\s0 format. |
| .IP "\fB\-\-modulus <hex digits\fR>" 4 |
| .IX Item "--modulus <hex digits>" |
| The modulus of the public key as a string of hex digits. This option |
| can be used in place of the \-\-pubkey option. |
| .IP "<\-\-ecc\-x <hex digits>>" 4 |
| .IX Item "<--ecc-x <hex digits>>" |
| The elliptic curve parameter x as string of hex digits. |
| .IP "<\-\-ecc\-y <hex digits>>" 4 |
| .IX Item "<--ecc-y <hex digits>>" |
| The elliptic curve parameter y as string of hex digits. |
| .IP "\fB\-\-exponent <exponent\fR>" 4 |
| .IX Item "--exponent <exponent>" |
| The exponent of the public key. By default 0x10001 is assumed. |
| .IP "\fB\-\-signkey <filename\fR>" 4 |
| .IX Item "--signkey <filename>" |
| The key used for signing the certificate. The file must be in \s-1PEM\s0 format. |
| .IP "\fB\-\-signkey\-password <password\fR>" 4 |
| .IX Item "--signkey-password <password>" |
| Optional password for the signing key. |
| .IP "\fB\-\-parent\-password <password\fR>" 4 |
| .IX Item "--parent-password <password>" |
| Optional password for a parent key. In case a \s-1TPM\s0 key is used for signing |
| this would be the password for the \s-1TPM\s0's storage root key (\s-1SRK\s0). |
| .IP "\fB\-\-issuercert <filename\fR>" 4 |
| .IX Item "--issuercert <filename>" |
| The X.509 certificate of this signer that takes on the role of a local \s-1CA.\s0 |
| .IP "\fB\-\-out\-cert <filename\fR>" 4 |
| .IX Item "--out-cert <filename>" |
| The name of the file to write the X.509v3 certificate into. The output will |
| be in \s-1PEM\s0 format. |
| .IP "\fB\-\-serial <serial number\fR>" 4 |
| .IX Item "--serial <serial number>" |
| Optional 32bit serial number for the certificate. |
| .IP "\fB\-\-days <number\fR>" 4 |
| .IX Item "--days <number>" |
| The number of days the certificate is valid; by default it is valid for 365 days. |
| .IP "\fB\-\-pem\fR" 4 |
| .IX Item "--pem" |
| Write the resulting certificate in \s-1PEM\s0 format; \s-1DER\s0 format is the default. |
| .IP "\fB\-\-tpm\-manufacturer <name\fR>" 4 |
| .IX Item "--tpm-manufacturer <name>" |
| The name of the \s-1TPM\s0 manufacturer. |
| .IP "\fB\-\-tpm\-model <model\fR>" 4 |
| .IX Item "--tpm-model <model>" |
| The \s-1TPM\s0 model (part number). |
| .IP "\fB\-\-tpm\-version <version\fR>" 4 |
| .IX Item "--tpm-version <version>" |
| The \s-1TPM\s0's firmware version. |
| .IP "\fB\-\-platform\-manufacturer <name\fR>" 4 |
| .IX Item "--platform-manufacturer <name>" |
| The name of the platform manufacturer. |
| .IP "\fB\-\-platform\-model <model\fR>" 4 |
| .IX Item "--platform-model <model>" |
| The platform model. |
| .IP "\fB\-\-platform\-version <version\fR>" 4 |
| .IX Item "--platform-version <version>" |
| The platform's version. |
| .IP "\fB\-\-subject <subject\fR>" 4 |
| .IX Item "--subject <subject>" |
| Subject to for example provide the location of the \s-1TPM\s0 in the format of |
| C=<country>,ST=<state>,L=<location>. |
| Note that the location must no contain any spaces. |
| .IP "\fB\-\-tpm2\fR" 4 |
| .IX Item "--tpm2" |
| Issue \s-1TPM 2\s0 compliant certificates. |
| .IP "\fB\-\-allow\-signing\fR" 4 |
| .IX Item "--allow-signing" |
| Create an \s-1EK\s0 that can also be used for signing. Without this option, the |
| \&\s-1EK\s0 can only be used for key encipherment. This option requires \-\-tpm2. |
| .IP "\fB\-\-decryption\fR" 4 |
| .IX Item "--decryption" |
| If \-\-allow\-signing is passed and the \s-1EK\s0 should also be useable for key |
| encipherment, this option must be passed. Otherwise key encipherment is the |
| default. This option requires \-\-tpm2. |
| .IP "\fB\-\-help, \-h\fR" 4 |
| .IX Item "--help, -h" |
| Display the help screen |
| .SH "SEE ALSO" |
| .IX Header "SEE ALSO" |
| .SH "REPORTING BUGS" |
| .IX Header "REPORTING BUGS" |
| Report bugs to Stefan Berger <stefanb@linux.vnet.ibm.com> |
