X-Git-Url: http://git.onelab.eu/?p=sfa.git;a=blobdiff_plain;f=keyconvert%2Fkeyconvert.py;h=f8e958955f9aba0e085f3fa620933c3f8119eda5;hp=de904ee69898791031c4f678d4b4873f588b266c;hb=HEAD;hpb=b71e2b56234bca1d29285a395e6f64c04d9104c4 diff --git a/keyconvert/keyconvert.py b/keyconvert/keyconvert.py index de904ee6..f8e95895 100755 --- a/keyconvert/keyconvert.py +++ b/keyconvert/keyconvert.py @@ -1,4 +1,4 @@ -#!/usr/bin/env python +#!/usr/bin/env python3 import sys import base64 @@ -12,7 +12,8 @@ class RSA_pub_fix(RSA.RSA_pub): def save_key_bio(self, bio, *args, **kw): return self.save_pub_key_bio(bio) -def rsa_new_pub_key((e, n)): +def rsa_new_pub_key(couple): + (e, n)=couple rsa = m2.rsa_new() m2.rsa_set_e(rsa, e) m2.rsa_set_n(rsa, n) @@ -34,7 +35,7 @@ def decode_key(fname): continue elif in_key: return base64.b64decode(f) - + return None @@ -42,8 +43,8 @@ def decode_key(fname): # # a section: # length = 4 bytes (32-bit big-endian integer) -# data = length bytes of string -# +# data = length bytes of string +# # sections of the key ( for RSA ) # [key-type (in ASCII)] [public exponent (bignum)] [primes (bignum)] # @@ -52,12 +53,12 @@ def decode_key(fname): # # - baris def read_key(key): - + def read_length(key): length = key[0:4] length = struct.unpack(">l", length)[0] return length, key - + def read_values(key, count): v = [] for i in range(count): @@ -72,13 +73,13 @@ def read_key(key): key_type = key[:length] key = key[length:] - if key_type == "ssh-rsa": + if key_type == b"ssh-rsa": # prepare parameters for RSA.new_pub_key v = read_values(key, 2) e, n = v[0], v[1] return key_type, e, n - elif key_type == "ssh-dss": + elif key_type == b"ssh-dss": # prepare parameters for DSA.set_params v = read_values(key, 4) p, q, g, y = v[0], v[1], v[2], v[3] @@ -90,24 +91,24 @@ def convert(fin, fout): ret = read_key(key) key_type = ret[0] - if key_type == "ssh-rsa": + if key_type == b"ssh-rsa": e, n = ret[1:] rsa = rsa_new_pub_key((e, n)) rsa.save_pem(fout) - elif key_type == "ssh-dss": + elif key_type == b"ssh-dss": p, q, g, y = ret[1:] dsa = DSA.set_params(p, q, g) dsa.gen_key() dsa.save_pub_key(fout) # FIXME: This is wrong. # M2Crypto doesn't allow us to set the public key parameter - raise(Exception, "DSA keys are not supported yet: M2Crypto doesn't allow us to set the public key parameter") + raise Exception("DSA keys are not supported yet: M2Crypto doesn't allow us to set the public key parameter") if __name__ == "__main__": if len(sys.argv) != 3: - print "Usage: %s " + print("Usage: %s ") sys.exit(1) fin = sys.argv[1]