Example #1
0
File: RSA.py Project: Recybery/RSA
def dencrypt(M,bs,d,n):
    a=[]
    c=""
    i=0
    end=len(M[0])
    while i<end:
        if(i!=end-1):
            c=make(str(Pow.resMod(int(M[0][i]),d,n)),bs)
        else:
            c=make(str(Pow.resMod(int(M[0][i]),d,n)),M[1])
        a.append(c)
        i+=1
    return a
Example #2
0
File: RSA.py Project: Recybery/RSA
def encrypt(M,bs,e,n):
    f=make(str(M),3)
    i=0
    batches=split(f,bs)[0]
    tail=split(f,bs)[1]
    while i<len(batches):
        batches[i]=str(Pow.resMod(int(batches[i]),e,n))
        i+=1 
    return [batches, tail]
Example #3
0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Generate pseudo random numbers. Should not be used for security purposes."""

from '__go__/math/rand' import Uint32, Seed
from '__go__/math' import Pow
from '__go__/time' import Now


BPF = 53  # Number of bits in a float
RECIP_BPF = Pow(2, -BPF)


# TODO: The random byte generator currently uses math.rand.Uint32 to generate
# 4 bytes at a time. We should use math.rand.Read to generate the correct
# number of bytes needed. This can be changed once there is a way to
# allocate the needed []byte for Read from python and cast it to a list of
# integers once it is filled.
def _gorandom(nbytes):
  byte_arr = []
  while len(byte_arr) < nbytes:
    i = Uint32()
    byte_arr.append(i & 0xff)
    byte_arr.append(i >> 8 & 0xff)
    byte_arr.append(i >> 16 & 0xff)
    byte_arr.append(i >> 24 & 0xff)
Example #4
0
def pow(x, y):
    return Pow(float(x), float(y))
Example #5
0
def main():
    # LIS.run()
    # MAX_MAX.run()
    Pow.run(4, 8)
Example #6
0
File: RSA.py Project: Recybery/RSA
def findCoprime(K): 
    n=findCoHelp(K,K,Pow.pow(10,100,10))
    while(gcd(n,K)!=1 or n==0):
        n-=1
    return n