資源簡介
基于OpenSSL庫的ECDSA簽名與驗證，實現(xiàn)了密鑰對生成導(dǎo)出，數(shù)據(jù)的簽名以及簽名的驗證。僅供參考。附代碼和文檔
代碼片段和文件信息
#include??
#include??
#include??
#include??
#define?PRIVKEY???“static?unsigned?char?privkey[%d]?=?{“?
#define?PUBKEY???“static?const?unsigned?char?pubkey[%d]?=?{“?
#define?ENDKEY???“\n};\n“??
int?main（int?argc?char*?argv[]）?
{?
EC_KEY?*ec_key;?
EC_GROUP?*ec_group;
unsigned?char?buf[1024];
unsigned?char?*pp;??
int?ilen;?
??
if?（（ec_key?=?EC_KEY_new（））?==?NULL）
{
printf（“Error：EC_KEY_new（）\n“）;
return?0;
}
/*?選擇一條橢圓曲線?*/
if?（（ec_group?=?EC_GROUP_new_by_curve_name（NID_secp256k1））?==?NULL）
{
printf（“Error：EC_GROUP_new_by_curve_name（）\n“）;
EC_KEY_free（ec_key）;
return?-1;
}
/*?設(shè)置密鑰參數(shù)?*/
int?ret;
ret?=?EC_KEY_set_group（ec_keyec_group）;
if（ret!=1）
{
printf（“Error：EC_KEY_set_group（）\n“）;
return?-1;
}
/*?生成密鑰對?*/
if?（!EC_KEY_generate_key（ec_key））
{?
printf（“Error：EC_KEY_generate_key（）\n“）;
EC_KEY_free（ec_key）;
return?-1;
}
???
/*?導(dǎo)出私鑰?*/?
pp?=?buf;
len?=?i2d_ECPrivateKey（ec_key&pp）;??
if?（!len）
{
printf（“Error：i2d_ECPrivateKey（）\n“）;
EC_KEY_free（ec_key）;
return?-1;
}
?
printf（PRIVKEYlen）;
for?（i=0;?i
if?（?!（i?%?8）?）
printf（“\n“）;
if（i==len-1）
printf（“0x%02X?“buf[i]）;
else
printf（“0x%02X??“buf[i]）;
}
printf（ENDKEY）;
??
/*?導(dǎo)出公鑰?*/?
pp?=?buf;
len?=?i2o_ECPublicKey（ec_key&pp）;
if?（!len）??
{
printf（“Error：i2o_ECPublicKey（）\n“）;
EC_KEY_free（ec_key）;
return?-1;
}?
printf（PUBKEYlen）;
for?（i=0;?i
if?（?!（i?%?8）?）
printf（“\n“）;
if（i==len-1）
printf（“0x%02X?“buf[i]）;
else
printf（“0x%02X??“buf[i]）;
}
printf（ENDKEY）;
EC_KEY_free（ec_key）;
return?0;?
}
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????1807360??2014-01-21?17:14??openssl\bin\openssl.exe
?????文件???????5507??2014-01-21?17:14??openssl\include\openssl\aes.h
?????文件??????52190??2014-01-21?17:14??openssl\include\openssl\asn1.h
?????文件??????30092??2014-01-21?17:14??openssl\include\openssl\asn1t.h
?????文件??????19143??2014-01-21?17:14??openssl\include\openssl\asn1_mac.h
?????文件??????32987??2014-01-21?17:14??openssl\include\openssl\bio.h
?????文件???????5143??2014-01-21?17:14??openssl\include\openssl\blowfish.h
?????文件??????36185??2014-01-21?17:14??openssl\include\openssl\bn.h
?????文件???????4652??2014-01-21?17:14??openssl\include\openssl\buffer.h
?????文件???????4956??2014-01-21?17:14??openssl\include\openssl\camellia.h
?????文件???????4492??2014-01-21?17:14??openssl\include\openssl\cast.h
?????文件???????3244??2014-01-21?17:14??openssl\include\openssl\cmac.h
?????文件??????19927??2014-01-21?17:14??openssl\include\openssl\cms.h
?????文件???????1978??2014-01-21?17:14??openssl\include\openssl\comp.h
?????文件???????9848??2014-01-21?17:14??openssl\include\openssl\conf.h
?????文件???????4080??2014-01-21?17:14??openssl\include\openssl\conf_api.h
?????文件??????24337??2014-01-21?17:14??openssl\include\openssl\crypto.h
?????文件??????10849??2014-01-21?17:14??openssl\include\openssl\des.h
?????文件??????18238??2014-01-21?17:14??openssl\include\openssl\des_old.h
?????文件???????9979??2014-01-21?17:14??openssl\include\openssl\dh.h
?????文件??????12057??2014-01-21?17:14??openssl\include\openssl\dsa.h
?????文件??????18095??2014-01-21?17:14??openssl\include\openssl\dso.h
?????文件???????8026??2014-01-21?17:14??openssl\include\openssl\dtls1.h
?????文件????????540??2014-01-21?17:14??openssl\include\openssl\ebcdic.h
?????文件??????46413??2014-01-21?17:14??openssl\include\openssl\ec.h
?????文件???????4682??2014-01-21?17:14??openssl\include\openssl\ecdh.h
?????文件??????10510??2014-01-21?17:14??openssl\include\openssl\ecdsa.h
?????文件??????40585??2014-01-21?17:14??openssl\include\openssl\engine.h
?????文件??????15862??2014-01-21?17:14??openssl\include\openssl\err.h
?????文件??????52791??2014-01-21?17:14??openssl\include\openssl\evp.h
............此處省略77個文件信息
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