check_data(public_key, digest, signature, data)
public
Verifies that data matches the signature created by
public_key and the digest algorithm.
# File lib/rubygems/security/policy.rb, line 77
def check_data public_key, digest, signature, data
raise Gem::Security::Exception, "invalid signature" unless
public_key.verify digest.new, signature, data.digest
true
end