cmd/sign: Add -cert flag
#451
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This refactor abstracts away the need to directly call the upstream piv-go library, implements a common SignerVerifier interface so there is no need to maintain separate types for ECDSA and RSA private keys, and overall is more idiomatic. Additionally, it fixes an issue where the previous initialization functions would lock access to the PIV token, preventing subsequent access even if the originall caller no longer had a need to access the token. Signed-off-by: James Alseth <james@jalseth.me>
The `-cert` flag allows for the certificate to be included in the Signature object when signing with `-key` or `-sk`. Adding this certificate ensures that a verifying party does not need to fetch the certificate from some unknown location before being able to validate the identity of the actor that created the signature. Signed-off-by: James Alseth <james@jalseth.me>
dlorenc
approved these changes
Jul 19, 2021
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The
-certflag allows for the certificate to be included in theSignature object when signing with
-keyor-sk. Adding thiscertificate ensures that a verifying party does not need to fetch the
certificate from some unknown location before being able to validate the
identity of the actor that created the signature.
This also includes a refactor of the
pivkeylibrary to make it more idiomatic and to resolve an issue where callingNewPublicKeyProviderorNewSignerVerifierwould lock the PIV token until the program had exited, making future calls to the PIV token outside of the signer/verifier flow impossible.