openssl.py

def roadmr_mini_openssl_dgst():
    print("HELLO")
    print("let's try to reimplement openssl")                                               
    #openssl dgst -sha1  -verify  sample-public-key.pub -signature /tmp/signature /tmp/data 
    pubkeyfile = "keys/sample/sample-public-key.pub"                                        
    signaturefile = "keys/sample/signature"
    datafile = "keys/sample/data"                                                           
            
    pubkey = M2Crypto.EVP.load_key_string_pubkey(
        open("keys/sample/sample-public-key.pub", "rb").read())                             
        
    pubkey.verify_init()
    pubkey.verify_update(open(datafile, "rb").read())                                       
    result = pubkey.verify_final(open(signaturefile, "rb").read())
    print(result)
    print("I'm maybe done (1 succ, 0 fail, -1 err)")                                        
        
    raise SystemExit()