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ReactOS Development > Doxygen

static BOOL CDecodeSignedMsg_VerifySignatureWithKey ( CDecodeMsg msg,
HCRYPTPROV  prov,
DWORD  signerIndex,
PCERT_PUBLIC_KEY_INFO  keyInfo 
) [static]

Definition at line 3242 of file msg.c.

Referenced by CDecodeSignedMsg_VerifySignature(), and CDecodeSignedMsg_VerifySignatureEx().

{
    HCRYPTKEY key;
    BOOL ret;

    if (!prov)
        prov = msg->crypt_prov;
    ret = CryptImportPublicKeyInfo(prov, X509_ASN_ENCODING, keyInfo, &key);
    if (ret)
    {
        HCRYPTHASH hash;
        CRYPT_HASH_BLOB reversedHash;

        if (msg->u.signed_data.info->rgSignerInfo[signerIndex].AuthAttrs.cAttr)
            hash = msg->u.signed_data.signerHandles[signerIndex].authAttrHash;
        else
            hash = msg->u.signed_data.signerHandles[signerIndex].contentHash;
        ret = CRYPT_ConstructBlob(&reversedHash,
         &msg->u.signed_data.info->rgSignerInfo[signerIndex].EncryptedHash);
        if (ret)
        {
            CRYPT_ReverseBytes(&reversedHash);
            ret = CryptVerifySignatureW(hash, reversedHash.pbData,
             reversedHash.cbData, key, NULL, 0);
            CryptMemFree(reversedHash.pbData);
        }
        CryptDestroyKey(key);
    }
    return ret;
}

Generated on Sat May 26 2012 05:06:52 for ReactOS by doxygen 1.7.6.1

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