diff options
Diffstat (limited to 'rsa/common.py')
| -rw-r--r-- | rsa/common.py | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/rsa/common.py b/rsa/common.py index 5730ac3..7801b59 100644 --- a/rsa/common.py +++ b/rsa/common.py @@ -22,20 +22,6 @@ def bit_size(num): Number of bits needed to represent a integer excluding any prefix 0 bits. - >>> bit_size(1023) - 10 - >>> bit_size(1024) - 11 - >>> bit_size(1025) - 11 - - >>> bit_size(1 << 1024) - 1025 - >>> bit_size((1 << 1024) + 1) - 1025 - >>> bit_size((1 << 1024) - 1) - 1024 - :param num: Integer value. If num is 0, returns 0. Only the absolute value of the number is considered. Therefore, signed integers will be abs(num) @@ -118,9 +104,10 @@ def extended_gcd(a, b): if (ly < 0): ly += oa #If neg wrap modulo orignal a return (a, lx, ly) #Return only positive values + def inverse(x, n): """Returns x^-1 (mod n) - + >>> inverse(7, 4) 3 >>> (inverse(143, 4) * 143) % 4 |