|
Neill Clift on Sat, 30 Jan 2021 02:33:48 +0100
|
[Date Prev] [Date Next] [Thread Prev] [Thread Next] [Date Index] [Thread Index]
|
RE: Linear factors of very large polynomials
|
- To: Bill Allombert <Bill.Allombert@math.u-bordeaux.fr>, "pari-users@pari.math.u-bordeaux.fr" <pari-users@pari.math.u-bordeaux.fr>
- Subject: RE: Linear factors of very large polynomials
- From: Neill Clift <NeillClift@live.com>
- Date: Sat, 30 Jan 2021 01:33:40 +0000
- Accept-language: en-US
- Arc-authentication-results: i=1; mx.microsoft.com 1; spf=none; dmarc=none; dkim=none; arc=none
- Arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=GsI97/zDb3J5ldl9KbqsIRrl/7p9CbBOj+uYtF9HXi0=; b=hhf8BDwQS1sZdYiOisLvd3hhIK1Nqb+aA7jXdIO593Nan+xFEOlN6YsMv/Dw0ED61f0VtAzGzA+Y3yq4UHp+G6AiM/gKWiTNfVN2ogOgLh+lBjcCiijCmMI3sMIc4PIs3f++cV2OU/Mb7sF7bNoHjA5FKdwTK94s6quHnGzDAvg2EFZ6Mq01ergo1+6uwBaNxn8AWPlIcvNWgl8ebmIFwl5opl98mnHKYB6MxzebHMGYPenZGoI34fN0YOY+E3GcyhCx32lltNchcWIn1LRB1gl1NpFIfAqtgfUJViLYMB1NC+yM8Bmwdggtzh30zUnstoD63CvYXQxKK/77d+3dzA==
- Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=AICnKgOGK9QxxGKRao+H3tKgbmUHyC56IKUyVWYlQM5bghsHA3pQEOWT1rts0EGd208W5P5GU8dKBNGFm9NqypCNnUtTFlE8KArUSno9axVaP5PPedIPouMZEAxkf/pTvNw8i4Lf0x3nCtl1rsMyTJzwQo74Rs7rRgHRxF08IHy6QioSjorFMlFEf0BGBhZLD1RqLbj21dbL6ANjlSvb50pJ5fiVi5at6fhLEEYZtVZ+YS6uwf1hcUlSVpw083cDrtZYcH4RwHw/3Jaqkiz+ny1JkJFI2J5Ua5V75RWTq0jcb3VbGoge+gCRaCs6rpVa3pB72yRY0ROez6I4clqoMw==
- Delivery-date: Sat, 30 Jan 2021 02:33:48 +0100
- Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=live.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=GsI97/zDb3J5ldl9KbqsIRrl/7p9CbBOj+uYtF9HXi0=; b=JHZYymb3UWf/AFaXmfA1KNUOV64JbcuyNBMX7ck4CK1IE35dDHazWc/5gq2NCYQ7ruq8FzW7UvTa4WP5WX1EfQpGUvWHVKEYGYgzOJ4tdHdp/evyf91LDxVgiSx47KFgUFGa4fLrjiieIAebkOH0NUEVBUeQnnSCepemYd4yikhmUbsmhCq4ZueawvtFUqS2o9IBHNVwVjo5iDIIAcwBTcn5t5sVxB0/odNcdj64QtZZ2LMaLVS8lQm2EXD8gqhmr7VddGkU363tvJMB2ZElhM/xvYKCZ9ANFve2p7autroJaFO1NxhJoefMhuyfJ8Faa+zsmHDVLqP/mh96rsbtKA==
- In-reply-to: <20210129232130.GD1776@yellowpig>
- References: <MWHPR15MB1712A5CC5338EBA0A9142F7AB5B99@MWHPR15MB1712.namprd15.prod.outlook.com> <20210129232130.GD1776@yellowpig>
- Thread-index: Adb10WAtPxkryAs+RnKg2XvqRBcS6QAxBkkAAASNwIA=
- Thread-topic: Linear factors of very large polynomials
>I do not think this is a reasonnable cryptographic approach, 64bit is way too small, it can be brute-forced with rainbow table, even with the best hash.
The VMS password hashes the username a 16 bit random salt and the password together. It's not clear to me you can offline calculate this much stuff.