在C ++中使用加密流 [英] Using cryptographic streams in C++

问题描述

我想使用一些加密操作（主要是积分检查哈希表）。但是，我在查找执行这种形式的操作的文档时遇到问题：

I'd like to use some cryptographic operations (mainly integrty check hashsums). However I have problems with finding documentations of doing operations of such form:

bool read(std::istream &in) {
    hasher hv(in);
    // Do some operations on hv as if it was std::istream
    hash_type h = hv.finish ();
    hash_type h2 = read_hash(in);
    return h == h2;
}

PS。它可能是不同的库提供它a）是GPL-3兼容b）工作在GNU / Linux

PS. It may be different library provided it a) is GPL-3-compatible b) works on GNU/Linux

PPS。我不坚持crypto ++，但我想有IOStream类行为与其他C ++库的互操作性。

PPS. I don't insist on crypto++ however I would like to have IOStream-like behaviour for interoperability with other C++ libraries.

推荐答案

a href =http://spec.winprog.org/streams/ =nofollow>使用crypto ++实现您自己的istream 。

Implement your own istream using crypto++.

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