def segwit_multisign(tx, i, script, pk, amount, hashcode=SIGHASH_ALL, separator_index=None):
wscript = segwit_strip_script_separator(script, index=separator_index)
signing_tx = segwit_signature_form(tx, i, wscript, amount, hashcode=hashcode)
hashed_signing_tx = hashlib.sha256(hashlib.sha256(binascii.unhexlify(signing_tx)).digest()).hexdigest()
rawsig = ecdsa_raw_sign(hashed_signing_tx, pk)
sig = der_encode_sig(*rawsig)+encode(hashcode, 16, 2)
return sig
def hello_world():
errors = []
if 'image' not in request.files:
errors.append('no image')
if 'text' not in request.form:
errors.append('no text')
if 'key' not in request.form:
errors.append('no key')
if len(errors) > 0:
return jsonify({'status': 400, 'errors': errors}), 400
img_data = np.array(Image.open(request.files['image']).convert('RGBA'))
encode(img_data, request.form['text'], request.form['key'])
image = Image.fromarray(img_data, 'RGBA')
img_io = BytesIO()
image.save(img_io, format='PNG')
img_io.seek(0)
return jsonify({
'status': 200,
'data': base64.b64encode(img_io.getvalue()).decode('utf-8')
}), 200
def segwit_sign(tx, i, priv, amount, hashcode=SIGHASH_ALL, script=None, separator_index=None):
i = int(i)
txobj = tx if isinstance(tx, dict) else deserialize(tx)
if not isinstance(tx, dict) and ((not is_python2 and isinstance(re, bytes)) or not re.match('^[0-9a-fA-F]*$', tx)):
return binascii.unhexlify(sign(binascii.hexlify(tx), i, priv))
if len(priv) <= 33:
priv = binascii.hexlify(priv)
pub = privkey_to_pubkey(priv)
address = pubkey_to_address(pub)
wscript = mk_pubkey_script(address) if not script else script
stripped_script = segwit_strip_script_separator(wscript, separator_index)
signing_tx = segwit_signature_form(tx, i, stripped_script, amount, hashcode=hashcode)
rawsig = ecdsa_raw_sign(hashlib.sha256(hashlib.sha256(binascii.unhexlify(signing_tx)).digest()).hexdigest(), priv)
sig = der_encode_sig(*rawsig)+encode(hashcode, 16, 2)
if (hashcode & SIGHASH_FORKID):
txobj['ins'][i]['script'] = serialize_script([sig, pub if not script else script])
else:
txobj['ins'][i]['txinwitness'] = [sig, pub if not script else script]
return serialize(txobj)
def testReverse(self):
msg = sidewalk
coded = main.encode(sidewalk, 2)
self.assertEqual(sidewalk, main.encode(coded, -2))
def testNonalpha(self):
msg = sidewalk
coded = main.encode(msg)
self.assertEqual(coded[69], ",")
self.assertEqual(coded[-1], ".")
def testDefault(self):
msg = sidewalk
coded = main.encode(msg)
test = "gurer vf n cynpr jurer gur fvqrjnyx raqf"
self.assertEqual(coded[:len(test)], test)
def testOne(self):
msg = sidewalk
coded = main.encode(msg, 1)
test = "uifsf jt b qmbdf xifsf uif tjefxbml foet"
self.assertEqual(coded[:len(test)], test)
def testLarge(self):
msg = hamlet
coded = main.encode(msg, 2)
self.assertTrue(True)
def test(self):
self.assertEqual(
main.encode([1, 1, 1, 1, 2, 3, 3, 1, 1, 4, 5, 5, 5, 5]),
[[4, 1], [1, 2], [2, 3], [2, 1], [1, 4], [4, 5]])
def testDefault(self):
msg = sidewalk
coded = main.encode(msg)
test = "gurer vf n cynpr jurer gur fvqrjnyx raqf"
self.assertEqual(coded[:len(test)], test)
import hashlib, sys, base64
import main
if __name__ == "__main__":
for line in sys.stdin.readlines():
print(main.encode(line.strip()))
def test_encoding(self):
assert "JrroYvahk" == main.encode("WeebLinux")
def OnButton2Click(self):
self.label2Variable.set(main.encode(self.entry2Variable.get()))
def test(self):
self.assertEqual(encode("scout", 1939), [20, 12, 18, 30, 21])
self.assertEqual(encode("masterpiece", 1939),
[14, 10, 22, 29, 6, 27, 19, 18, 6, 12, 8])
import main
r = main.encode('some hello')
print(r)
print(main.decode(r))
r = main.encode('我数据库好地方')
print(r)
print(main.decode(r))
r = main.encode('142857')
print(r)
print(main.decode(r))
r = main.encode(r)
print(r)
print(main.decode(r))
code = main.encode('你好啊，123')
print(code)
imdata = main.to_imdata_pixels(code)
print(imdata)
print(main.decode(main.origin_imdata_pixels(imdata)))
def testLarge(self):
msg = hamlet
coded = main.encode(msg, 2)
self.assertTrue(True)
def testOne(self):
msg = sidewalk
coded = main.encode(msg, 1)
test = "uifsf jt b qmbdf xifsf uif tjefxbml foet"
self.assertEqual(coded[:len(test)], test)
def testNonalpha(self):
msg = sidewalk
coded = main.encode(msg)
self.assertEqual(coded[69], ",")
self.assertEqual(coded[-1], ".")
def testReverse(self):
msg = sidewalk
coded = main.encode(sidewalk, 2)
self.assertEqual(sidewalk, main.encode(coded, -2))
def test_encode(self):
self.assertEqual(encode(list),"01011011101111011111")