Tryag File Manager

//proc/self/root/usr/share/doc/m2crypto-0.16/demo/smime/unsmime.py

#!/usr/bin/python

"""S/MIME demo.

from M2Crypto import BIO, Rand, SMIME, X509
import sys

def decrypt_verify(p7file, recip_key, signer_cert, ca_cert):
    s = SMIME.SMIME()

# Load decryption private key.
    s.load_key(recip_key)

# Extract PKCS#7 blob from input.
    p7, bio = SMIME.smime_load_pkcs7_bio(p7file)

# Decrypt.
    data = s.decrypt(p7)

# Because we passed in a SignAndEnveloped blob, the output
    # of our decryption is a Signed blob. We now verify it.

# Load the signer's cert.
    sk = X509.X509_Stack()
    s.set_x509_stack(sk)

# Load the CA cert.
    st = X509.X509_Store()
    st.load_info(ca_cert)
    s.set_x509_store(st)

# Verify.
    p7, bio = SMIME.smime_load_pkcs7_bio(BIO.MemoryBuffer(data))
    if bio is not None:
        # Netscape Messenger clear-signs, when also encrypting.
        data = s.verify(p7, bio)
    else:
        # M2Crypto's sendsmime.py opaque-signs, when also encrypting.
        data = s.verify(p7)

print data

if __name__ == '__main__':
    Rand.load_file('../randpool.dat', -1) 
    decrypt_verify(BIO.File(sys.stdin), 'client.pem', 'client2.pem','ca.pem')
    Rand.save_file('../randpool.dat')