Fix bls generator (#400)

* use correct generator for new BLS elliptic curve

* fix static code validation errors

* fix libindy dependency in tests

* fix libindy dependency in tests

* fix libindy dependency in tests

* fix libindy dependency in tests

* fix libindy dependency in tests

Author: ashcherbakov

ci/ubuntu.dockerfile

@@ -20,15 +20,13 @@ RUN pip3 install -U \
 	virtualenv
 RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 68DB5E88
 RUN echo "deb https://repo.sovrin.org/deb xenial master" >> /etc/apt/sources.list
-RUN apt-get update -y && apt-get install -y libindy-crypto
+RUN apt-get update -y && apt-get install -y libindy-crypto=0.1.6
 RUN useradd -ms /bin/bash -u $uid $user
 USER $user
 RUN virtualenv -p python3.5 /home/$user/test
 USER root
 RUN ln -sf /home/$user/test/bin/python /usr/local/bin/python
 RUN ln -sf /home/$user/test/bin/pip /usr/local/bin/pip
-RUN wget https://repo.evernym.com/libindy_crypto/ubuntu/stable/0.1.2/libindy-crypto_0.1.2_amd64.deb
-RUN dpkg -i ./libindy-crypto_0.1.2_amd64.deb
 USER $user
 # TODO: Automate dependency collection
 RUN pip install jsonpickle \
@@ -52,6 +50,5 @@ RUN pip install jsonpickle \
 	ioflo==1.5.4 \
 	psutil \
 	intervaltree \
-	pytest-xdist \
-	python3-indy-crypto==0.1.2
+	pytest-xdist
 WORKDIR /home/$user

crypto/bls/indy_crypto/bls_crypto_indy_crypto.py

@@ -8,7 +8,7 @@
 class BlsGroupParamsLoaderIndyCrypto(BlsGroupParamsLoader):
     def load_group_params(self) -> GroupParams:
         group_name = 'generator'
-        g = "7BRrJUcxuAomyoBC7YkvRD9TpFrcGoYAT9BQhhxuNB4FFjNPffimLywJViQRJAPnP97PQxCHTiEBTu6KuYV7trC4Ez3eRz7QSnKUwd5KqG9PxQaFaNaJyFv8uAXQgm3Q7nkEqjjKrCKdWmj89ZmAG848Ucn2v6bqhNmShEH9ARQqxhozXbmBy68oa6eh1vxs3DYenGgeWnjCCueBbR7vrMB9ATJBpCuPg25KWXjyh6KqnLsZfcRdst4NzuAmS8NzBPSvW6"
+        g = "3LHpUjiyFC2q2hD7MnwwNmVXiuaFbQx2XkAFJWzswCjgN1utjsCeLzHsKk1nJvFEaS4fcrUmVAkdhtPCYbrVyATZcmzwJReTcJqwqBCPTmTQ9uWPwz6rEncKb2pYYYFcdHa8N17HzVyTqKfgPi4X9pMetfT3A5xCHq54R2pDNYWVLDX"
         return GroupParams(group_name, g)
 
 

crypto/test/bls/indy_crypto/test_bls_crypto_indy_crypto.py

@@ -85,6 +85,23 @@ def test_generate_keys_bytes_seed_32bit(default_params):
     assert sk != pk
 
 
+def test_generate_keys_str_seed_32bit_for_nodes(default_params):
+    seeds = []
+    nodes_count = 4
+    for i in range(1, nodes_count + 1):
+        name = "Node" + str(i)
+        seed = ('0' * (32 - len(name)) + name)
+        seeds.append(seed)
+
+    pks = set()
+    for i in range(nodes_count):
+        sk, pk = BlsCryptoIndyCrypto.generate_keys(default_params, seeds[i])
+        pks.add(pk)
+        print(pk)
+
+    assert len(pks) == nodes_count
+
+
 def test_generate_different_keys(default_params):
     seed2 = 'Seed' + '0' * (48 - len('Seed'))
     seed3 = 'seeeed' + '0' * (48 - len('seeeed'))