ospaceteam /
outerspace
| @@ 66-84 (lines=19) @@ | ||
| 63 | ||
| 64 | return integer |
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| 65 | ||
| 66 | def int2bytes(number): |
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| 67 | """Converts a number to a string of bytes |
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| 68 | ||
| 69 | >>>int2bytes(123456789) |
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| 70 | '\x07[\xcd\x15' |
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| 71 | >>> bytes2int(int2bytes(123456789)) |
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| 72 | 123456789 |
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| 73 | """ |
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| 74 | ||
| 75 | if not (type(number) is types.LongType or type(number) is types.IntType): |
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| 76 | raise TypeError("You must pass a long or an int") |
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| 77 | ||
| 78 | string = "" |
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| 79 | ||
| 80 | while number > 0: |
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| 81 | string = "%s%s" % (chr(number & 0xFF), string) |
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| 82 | number /= 256 |
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| 83 | ||
| 84 | return string |
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| 85 | ||
| 86 | def to64(number): |
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| 87 | """Converts a number in the range of 0 to 63 into base 64 digit |
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| @@ 68-84 (lines=17) @@ | ||
| 65 | ||
| 66 | return integer |
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| 67 | ||
| 68 | def int2bytes(number): |
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| 69 | """Converts a number to a string of bytes |
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| 70 | ||
| 71 | >>> bytes2int(int2bytes(123456789)) |
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| 72 | 123456789 |
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| 73 | """ |
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| 74 | ||
| 75 | if not (type(number) is types.LongType or type(number) is types.IntType): |
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| 76 | raise TypeError("You must pass a long or an int") |
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| 77 | ||
| 78 | string = "" |
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| 79 | ||
| 80 | while number > 0: |
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| 81 | string = "%s%s" % (chr(number & 0xFF), string) |
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| 82 | number /= 256 |
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| 83 | ||
| 84 | return string |
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| 85 | ||
| 86 | def fast_exponentiation(a, p, n): |
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| 87 | """Calculates r = a^p mod n |
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