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-rw-r--r--paramiko/kex_group1.py1
-rw-r--r--paramiko/kex_group14.py2
-rw-r--r--paramiko/transport.py2
3 files changed, 4 insertions, 1 deletions
diff --git a/paramiko/kex_group1.py b/paramiko/kex_group1.py
index a88f00d2..9eee066c 100644
--- a/paramiko/kex_group1.py
+++ b/paramiko/kex_group1.py
@@ -45,6 +45,7 @@ class KexGroup1(object):
G = 2
name = 'diffie-hellman-group1-sha1'
+ hash_algo = sha1
def __init__(self, transport):
self.transport = transport
diff --git a/paramiko/kex_group14.py b/paramiko/kex_group14.py
index a914aeaf..9f7dd216 100644
--- a/paramiko/kex_group14.py
+++ b/paramiko/kex_group14.py
@@ -22,6 +22,7 @@ Standard SSH key exchange ("kex" if you wanna sound cool). Diffie-Hellman of
"""
from paramiko.kex_group1 import KexGroup1
+from hashlib import sha1
class KexGroup14(KexGroup1):
@@ -31,3 +32,4 @@ class KexGroup14(KexGroup1):
G = 2
name = 'diffie-hellman-group14-sha1'
+ hash_algo = sha1
diff --git a/paramiko/transport.py b/paramiko/transport.py
index e2a0c0ff..d2fccf07 100644
--- a/paramiko/transport.py
+++ b/paramiko/transport.py
@@ -1534,7 +1534,7 @@ class Transport (threading.Thread, ClosingContextManager):
m.add_bytes(self.H)
m.add_byte(b(id))
m.add_bytes(self.session_id)
- hash_algo = self._mac_info[self.local_mac]['class'] if self.local_mac else sha1
+ hash_algo = self.kex_engine.hash_algo
out = sofar = hash_algo(m.asbytes()).digest()
while len(out) < nbytes:
m = Message()