tpm2_getekcertificate: add option --x509-trunc#3481
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New option to handle x509 DER with trailing data ST micro's ST33HTPHF2ENIST TPM creates NIST P-256 ECC and RSA EK certificates with 0xff data padded to a fixed 1600 bytes length. The option "--x509-trunc" or "-t" parses the output of "nv_read" with a X509 parser and truncates the trailing data. This makes the output formate more accessable to GOLANG's X509.ParseCertificate(). Details about this issue can be found at: tpm2-software#3474 Signed-off-by: Samuel Cheng <samuelogre@gmail.com>
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@saurontech lgtm. Could you please add the new option to ./man/tpm2_getekcertificate.1.md? |
Add documentation for option "-t", "--x509-trunc"
This was referenced May 5, 2025
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New option to handle x509 DER with trailing data
ST micro's ST33HTPHF2ENIST TPM creates NIST P-256 ECC and RSA EK certificates with 0xff data padded to a fixed 1600 bytes length. The option "--x509-trunc" or "-t" parses the output of "nv_read" with a X509 parser and truncates the trailing data. This makes the output formate more accessable to GOLANG's X509.ParseCertificate(). Details about this issue can be found at: #3474
Signed-off-by: Samuel Cheng samuelogre@gmail.com