24 lines
450 B
Ruby
24 lines
450 B
Ruby
require 'getopts'
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require 'openssl'
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include OpenSSL
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getopts nil, "c:", "k:", "C:"
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cert_file = $OPT_c
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key_file = $OPT_k
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ca_path = $OPT_C
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data = $stdin.read
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cert = X509::Certificate.new(File::read(cert_file))
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key = PKey::RSA.new(File::read(key_file))
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p7enc = PKCS7::read_smime(data)
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data = p7enc.decrypt(key, cert)
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store = X509::Store.new
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store.add_path(ca_path)
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p7sig = PKCS7::read_smime(data)
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if p7sig.verify([], store)
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puts p7sig.data
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end
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