Answer» I received a PUBLIC key from a vendor. What commands must I ISSUE to use the public key for encrypting the file using openssl? Not my choice that I must use openssl...
# openssl smime -encrypt -binary -des3 -outform DER -in file.txt -out file.ssl Vendor_Pub.key unable to LOAD certificate 9765066:error:0906D06C:PEM routines:PEM_read_bio:no start line:pem_lib.c:650:EXPECTING: TRUSTED CERTIFICATE
I guess I am missing something....It expects your certificate to be in .der instead of .pem format, you would use openssl rsa -in Vendor_Pub.key -inform PEM -out output.key -outform DER and then try encrypting again with the outputted key.
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