https://issues.dlang.org/show_bug.cgi?id=13804
Issue ID: 13804
Summary: BigInt have no binary interface to be used in crypto
Product: D
Version: D2
Hardware: All
OS: All
Status: NEW
Severity: enhancement
Priority: P1
Component: Phobos
Assignee: nob...@puremagic.com
Reporter: golovanov_ale...@mail.ru
We have no properties and methods in BigInt to work with binary data to use
BigInt in crypto (for example in RSA).
BigInt have no constructor from binary data - ubyte[], uint[], etc.
To use BigInt in crypto, we need ability:
1 - create BigInt from bytes;
2 - make calculations;
3 - get bytes from result BigInt.
In step (2) we need access to underlying data BigDigit[] to implement absent
powMod method "(a pow b) mod c").
Programmers cant't use std.bigint and forced to reimplement biguintcore.d and
bigint.d .
For example https://github.com/apartridge/crypto/tree/master/crypto/asymmetric
.
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