Have swtpm report RSA key size capabilities and use to adapt test cases #261
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Construct RSA key size capability strings from libtpms TPMLIB_GetInfo()
string so that we can easily show which RSA key sizes are supported by
the TPM 2 implementation. If none are advertised, 1024 & 2048 can be
assumed to be supported.
'swtpm socket --tpm2 --print-capabilities' may now print the following:
{
"type": "swtpm",
"features": [
"tpm-send-command-header",
"flags-opt-startup",
"cmdarg-seccomp",
"cmdarg-key-fd",
"cmdarg-pwd-fd",
"no-tpm12-tools",
"rsa-keysize-1024",
"rsa-keysize-2048",
"rsa-keysize-3072"
]
}
We need to adapt the related test case to use a regular expression since
the rsa-keysize-xyz strings may or may not be there depending on libtpms
version.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Check the libtpms capabilities via 'swtpm_ioctl -i 4' to see whether libtpms supports RSA 3072 bit keys. Only if this is not the case deactivate all RSA 3072 bit key tests. Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Pull Request Test Coverage Report for Build 2137
💛 - Coveralls |
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Have swtpm report libtpms's RSA key size capabilities and use it to adapt test cases so that we run RSA 3072 test cases when libtpms supports them.