Returns true if key is the corresponding private key to the Subject Public Key Information, false otherwise.
See the OpenSSL documentation for ECDSA_verify()
Get the private instance variable prop from target
Takes the first digit of the reply code to determine the status type
Adds name with permissions mode to the tar, yielding io for writing the file. The digest_algorithm is written to a read-only name.sum file following the given file contents containing the digest name and hexdigest separated by a tab.
The created digest object is returned.
Looks up the latest specification for dependency and adds it to the always_install list.