本文整理汇总了C++中Sign::sign方法的典型用法代码示例。如果您正苦于以下问题：C++ Sign::sign方法的具体用法？C++ Sign::sign怎么用？C++ Sign::sign使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Sign的用法示例。
在下文中一共展示了Sign::sign方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: mainCryptopp
//.........这里部分代码省略.........
// serval times
{
char * outdata = new char[sha1.getCipherLen(inlen)];
sha1.update(indata, 5);
sha1.update(indata+5, inlen-5);
int outlen = sha1.final(outdata);
printf("outlen=%d\n", outlen);
printf("outdata(hex)=");
dump(outdata, outlen);
delete[] outdata;
}
}
// RSA-SHA1 Sign testing.
{
printf("\n=======================RSA-SHA1 Sign=====================\n");
// key
// N factor in RSA, aslo called modulus.
const char * N = "90755611487566208138950675092879865387596685014726501531250157258482495478524769456222913843665634824684037468817980814231054856125127115894189385717148934026931120932481402379431731629550862846041784305274651476086892165805223719552575599962253392248079811268061946102234935422772131475340988882825043233323";
// e factor in RSA, aslo called public exponent.
const char * e = "65537";
// d factor in RSA, aslo called private exponent
const char * d = "17790520481266507102264359414044396762660094486842415203197747383916331528947124726552875080482359744765793816651732601742929364124685415229452844016482477236658413327331659722342187036963943428678684677279032263501011143882814728160215380051287503219732737197808611144507720521201393129692996926599975297921";
// input data.
const char * indata = "bsmith is a good guy.";
int inlen = (int)strlen(indata);
printf("inlen=%d\n", inlen);
printf("indata(hex)=");
dump(indata, inlen);
Sign sign;
// private key for signer.
sign.initPrivateKey(N, e, d);
// sign.
int maxoutlen = sign.getCipherLen(inlen);
printf("maxoutlen=%d\n", maxoutlen);
char * outdata = new char[maxoutlen];
int outlen = sign.sign(indata, inlen, outdata);
printf("outlen=%d\n", outlen);
printf("outdata(hex)=");
dump(outdata, outlen);
// public key for verifier.
sign.initPublicKey(N, e);
// verify.
{
bool res = sign.verify(indata, inlen, outdata, outlen);
printf("result <?> true : %s\n", res?"true":"false");
}
// another data.
const char * indata1 = "bsmith is not a good guy.";
int inlen1 = (int)strlen(indata1);
{
bool res = sign.verify(indata1, inlen1, outdata, outlen);
printf("result <?> false : %s\n", res?"true":"false");
}
delete[] outdata;
}