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我寫了一個簡單的程序來加載由openssl生成的公鑰，以解密由公鑰的私鑰加密的字符串。但我不知道爲什麼我不能在CryptDecrypt winapi函數出錯？
b = CryptDecrypt(hKey,NULL,FALSE,0,pbEncrypt,&cbEncrypt);
，我得到錯誤「8009000D NTE_NO_KEY 鍵不存在。」誰可以給我解釋一下這個 ？
void DecodeString()
{
CHAR* publicKey =
"-----BEGIN PUBLIC KEY-----"
"MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv+yyzdZaqcE7qOOZ8pyN"
"o1n3PS2U/ewT2gGSQeixP+VixQGrxnssT3zlbeUND8CVX+tZGwkcIZZD09Rkx9vh"
"z7vLUFD7dngupo/aL6pfehb95citD31DUswc9BTJjQySpSSG6zWDSBJMELDYaCa4"
"MIU7odoCg2EbQBwRWX7upWiR+shyxnPYklY8ZUpVCtIdHXmPO5eMaI1elftqNw1N"
"n/Id4pFFif11Lmny3s3ADfItuyMfTwU6jwgsPaoqrX5FCnurlAVl/mcfpMVpsPju"
"XWw2IlvZP5SkTW4G6V+Bt+xDI6SW3dvMi6gJngHLUKekbhZxcFWuv3hus8ojpo+I"
"mwIDAQAB"
"-----END PUBLIC KEY-----";
BYTE* derPubKey;
DWORD derPubKeyLen;
BOOL b = CryptStringToBinaryA(publicKey, 0, CRYPT_STRING_BASE64HEADER, NULL, &derPubKeyLen, NULL, NULL);
DWORD error = GetLastError();
_ASSERT(error == 0);
_ASSERT(b == TRUE);
derPubKey = new BYTE[derPubKeyLen];
b = CryptStringToBinaryA(publicKey, 0, CRYPT_STRING_BASE64HEADER, derPubKey, &derPubKeyLen, NULL, NULL);
error = GetLastError();
_ASSERT(error == 0);
_ASSERT(b == TRUE);
CERT_PUBLIC_KEY_INFO *publicKeyInfo;
DWORD publicKeyInfoLen;
HCRYPTPROV hProv = 0;
HCRYPTKEY hKey = 0;
b = CryptDecodeObjectEx(X509_ASN_ENCODING, X509_PUBLIC_KEY_INFO, derPubKey, derPubKeyLen, CRYPT_ENCODE_ALLOC_FLAG, NULL, &publicKeyInfo, &publicKeyInfoLen);
error = GetLastError();
_ASSERT(error == 0);
_ASSERT(b == TRUE);
b = CryptAcquireContext(&hProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT);
error = GetLastError();
_ASSERT(error == 0);
_ASSERT(b == TRUE);
b = CryptImportPublicKeyInfo(hProv, X509_ASN_ENCODING, publicKeyInfo, &hKey);
error = GetLastError();
_ASSERT(error == 0);
_ASSERT(b == TRUE);
//same test decrypt
CHAR* sameTest = "nJZ6MN6MIrpbLQiRvfLFIHHzneQBe2rucaKSykXeHgf8Zth5FNPZPdiPhWcHq0/K"
"KgRHv2ON+gPyFbjsdDl2cixPgNGXs1FfI/RvkH+Icn+6rYq5uPBM5oQVriyiWI9/"
"QiC56LP0ooouqLg9e2U5zJmC/ftCODkFyL748Fx3godXzDl1mNB7bx/Ua6Z93KeB"
"OgNvYZH3tcZZYlgoX4GVf4ocO0aZ8pQjEB8p9hMWfIDRCIckDAncy21tHDmWDqZ4"
"H7CZjbdNyaiWe5Cr6+CYs25+r3AdIlXOKWuphgbckKDHh4r7nMX0AX+iHXGjCgkM"
"iwi4yz7wF+Ow/CcGHkAMTQ==";
BYTE* pbEncrypt = 0;
DWORD cbEncrypt = 0;
b = CryptStringToBinaryA(sameTest, 0, CRYPT_STRING_BASE64, NULL, &cbEncrypt, NULL, NULL);
error = GetLastError();
_ASSERT(error == 0);
_ASSERT(b == TRUE);
pbEncrypt = new BYTE[cbEncrypt];
printf("%s\n",(CHAR*)pbEncrypt);
b = CryptStringToBinaryA(sameTest, 0, CRYPT_STRING_BASE64, pbEncrypt, &cbEncrypt, NULL, NULL);
error = GetLastError();
_ASSERT(error == 0);
_ASSERT(b == TRUE);
printf("%s\n",(CHAR*)pbEncrypt);
b = CryptDecrypt(hKey,NULL,FALSE,0,pbEncrypt,&cbEncrypt);
error = GetLastError();
_ASSERT(error == 0);
_ASSERT(b == TRUE);
printf("%s\n",(CHAR*)pbEncrypt);
}