OpenSSH Signing a File and appending to Signing to File + Verification

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Create the signing keys

openssl req -nodes -x509 -sha256 -newkey rsa:4096 -keyout "signing.key" \
-out "signingKey.crt" -days 365 -subj "/C=NL/ST=QC CA/L=Montreal/O=PacificSimplicity \
/OU=Dev/CN=Dev Signing Key"

Then sign the file with the following command

OpenSSL Undefined Symbols (with versions)

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A few days ago I discovered that sometimes applications will reference a symbol and a version when attempting to link to an application. Usually an undefined symbol is related to one of the following:

  • A library required to link
  • Improper linking order
  • The symbol not being within the library at all

As a I discovered, this is not always the case:

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