A fully managed end-to-end service for digitally signing code, documents, and applications. (formerly Trusted Signing)
Hi @MANSI CHANU
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Trusted Signing does not support importing or exporting private keys and certificates. All certificates and keys that you use in Trusted Signing are managed inside FIPS 140-2 Level 3 operated hardware crypto modules.
Follow the below document which explain about how you can sign with your file.
Set up signing integrations to use Trusted Signing
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