On Tuesday, March 17, 2015 at 5:44:18 PM UTC-4, JF Jobidon wrote:
>
> Hi
> I use c++ with crypto++ to generate a sha256 hash from this string:
> "800C28FCA386C7A227600B2FE50B7CAE11EC86D3BF1FBE471BE89827E19D72AA1D"
> I have the same result as
> http://www.xorbin.com/tools/sha256-hash-calculator :
>
> E2E4146A36E9C455CF95A4F259F162C353CD419CC3FD0E69AE36D7D1B6CD2C09
>
> but the problem is I try to obtain a private key for the Bitcoin protocol:
>
> when I use the *Bitcoin* Explorer (*bx*) command line tool.
>
> I have a different result:
>
> > bx sha256
> 800C28FCA386C7A227600B2FE50B7CAE11EC86D3BF1FBE471BE89827E19D72AA1D
> 8147786c4d15106333bf278d71dadaf1079ef2d2440a4dde37d747ded5403592
>
string message =
"800C28FCA386C7A227600B2FE50B7CAE11EC86D3BF1FBE471BE89827E19D72AA1D";
string digest;
SHA256 hash;
StringSource ss(message, true, new HexDecoder(new HashFilter(hash,
new HexEncoder(new StringSink(digest)))));
cout << "Digest: " << digest << endl;
Results in:
$ ./cryptopp-test.exe
Digest: 8147786C4D15106333BF278D71DADAF1079EF2D2440A4DDE37D747DED5403592
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