From 3bef51eec2299403467e621ae660cef3f9256ac8 Mon Sep 17 00:00:00 2001
From: Determinant <tederminant@gmail.com>
Date: Tue, 17 Nov 2020 18:47:40 -0500
Subject: update frozen deps

---
 freezed_deps/ecdsa/rfc6979.py | 107 ------------------------------------------
 1 file changed, 107 deletions(-)
 delete mode 100644 freezed_deps/ecdsa/rfc6979.py

(limited to 'freezed_deps/ecdsa/rfc6979.py')

diff --git a/freezed_deps/ecdsa/rfc6979.py b/freezed_deps/ecdsa/rfc6979.py
deleted file mode 100644
index a489381..0000000
--- a/freezed_deps/ecdsa/rfc6979.py
+++ /dev/null
@@ -1,107 +0,0 @@
-'''
-RFC 6979:
-    Deterministic Usage of the Digital Signature Algorithm (DSA) and
-    Elliptic Curve Digital Signature Algorithm (ECDSA)
-
-    http://tools.ietf.org/html/rfc6979
-
-Many thanks to Coda Hale for his implementation in Go language:
-    https://github.com/codahale/rfc6979
-'''
-
-import hmac
-from binascii import hexlify
-from .util import number_to_string, number_to_string_crop, bit_length
-from ._compat import hmac_compat
-
-
-# bit_length was defined in this module previously so keep it for backwards
-# compatibility, will need to deprecate and remove it later
-__all__ = ["bit_length", "bits2int", "bits2octets", "generate_k"]
-
-
-def bits2int(data, qlen):
-    x = int(hexlify(data), 16)
-    l = len(data) * 8
-
-    if l > qlen:
-        return x >> (l - qlen)
-    return x
-
-
-def bits2octets(data, order):
-    z1 = bits2int(data, bit_length(order))
-    z2 = z1 - order
-
-    if z2 < 0:
-        z2 = z1
-
-    return number_to_string_crop(z2, order)
-
-
-# https://tools.ietf.org/html/rfc6979#section-3.2
-def generate_k(order, secexp, hash_func, data, retry_gen=0, extra_entropy=b''):
-    '''
-        order - order of the DSA generator used in the signature
-        secexp - secure exponent (private key) in numeric form
-        hash_func - reference to the same hash function used for generating hash
-        data - hash in binary form of the signing data
-        retry_gen - int - how many good 'k' values to skip before returning
-        extra_entropy - extra added data in binary form as per section-3.6 of
-            rfc6979
-    '''
-
-    qlen = bit_length(order)
-    holen = hash_func().digest_size
-    rolen = (qlen + 7) / 8
-    bx = (hmac_compat(number_to_string(secexp, order)),
-          hmac_compat(bits2octets(data, order)),
-          hmac_compat(extra_entropy))
-
-    # Step B
-    v = b'\x01' * holen
-
-    # Step C
-    k = b'\x00' * holen
-
-    # Step D
-
-    k = hmac.new(k, digestmod=hash_func)
-    k.update(v + b'\x00')
-    for i in bx:
-        k.update(i)
-    k = k.digest()
-
-    # Step E
-    v = hmac.new(k, v, hash_func).digest()
-
-    # Step F
-    k = hmac.new(k, digestmod=hash_func)
-    k.update(v + b'\x01')
-    for i in bx:
-        k.update(i)
-    k = k.digest()
-
-    # Step G
-    v = hmac.new(k, v, hash_func).digest()
-
-    # Step H
-    while True:
-        # Step H1
-        t = b''
-
-        # Step H2
-        while len(t) < rolen:
-            v = hmac.new(k, v, hash_func).digest()
-            t += v
-
-        # Step H3
-        secret = bits2int(t, qlen)
-
-        if 1 <= secret < order:
-            if retry_gen <= 0:
-                return secret
-            retry_gen -= 1
-
-        k = hmac.new(k, v + b'\x00', hash_func).digest()
-        v = hmac.new(k, v, hash_func).digest()
-- 
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