C++ (Cpp) ccec_x963_export示例

示例#1

文件： ccecies_encrypt_gcm_composite.c 项目： randombit/hacrypto

static int ccecies_export(const int fullkey, const uint32_t options, void *out, ccec_full_ctx_t key)
{
    int status  = 0;

    if (ECIES_EXPORT_PUB_STANDARD == (options & ECIES_EXPORT_PUB_STANDARD))
    {
        ccec_x963_export(fullkey, out, key);
    }else if (ECIES_EXPORT_PUB_COMPACT == (options & ECIES_EXPORT_PUB_COMPACT)){
        ccec_compact_export(fullkey, out, key);
    }
    else{
        status=-2;
    }

    return status;
}

示例#2

文件： SOSUserKeygen.c 项目： alfintatorkace/osx-10.9-opensource

static SecKeyRef ccec2SecKey(ccec_full_ctx_t fk)
{
    size_t export_size = ccec_x963_export_size(1, fk);
    uint8_t export_keybytes[export_size];
    ccec_x963_export(1, export_keybytes, fk);
    CFDataRef exportedkey = CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, export_keybytes, export_size, kCFAllocatorNull);

    CFDictionaryRef keyattributes = CFDictionaryCreateForCFTypes(kCFAllocatorDefault,
                                                                 kSecValueData, exportedkey,
                                                                 kSecAttrKeyType, kSecAttrKeyTypeEC,
                                                                 kSecAttrKeyClass, kSecAttrKeyClassPrivate,
                                                                 NULL);

    SecKeyRef retval = SecKeyCreateFromAttributeDictionary(keyattributes);

    CFRelease(keyattributes);
    CFRelease(exportedkey);
    bzero(export_keybytes, 0);
    return retval;
}