[Cado-nfs-discuss] problem while factoring RSA-129

Roberto Zanasi zanasi.roberto at fermi.mo.it
Mon Mar 26 22:17:04 CEST 2018


On Mon, Mar 26, 2018 at 9:41 PM, paul zimmermann <Paul.Zimmermann at inria.fr>
wrote:

1) create a file /tmp/antebuffer with the following content:
>


> $ cat /tmp/antebuffer
> #!/bin/bash
> shift
> cat $*
>

Done (am I correct to suppose that the first line doesn't belong to the
file? I have created an executable shell script which starts with
"#!/bin/bash")


>
> 2) run again the dup1 command-line, adding -path_antebuffer /tmp
>
> If that works, you can replace the file
> /home/roberto/prova-cado-nfs/cado-nfs/build/voyager/utils/antebuffer
> by /tmp/antebuffer, and restart cado-nfs.py.
>
>
No, it doesn't work:

===
roberto at voyager:/tmp$
/home/roberto/prova-cado-nfs/cado-nfs/build/voyager/filter/dup1 -prefix
dup1.0 -out /tmp/cado.07tjxuxt/c130.dup1/ -n 1 -filelist
/tmp/cado.07tjxuxt/c130.dup1.filelist.1 -path_antebuffer /tmp
# (e54ecf196)
/home/roberto/prova-cado-nfs/cado-nfs/build/voyager/filter/dup1 -prefix
dup1.0 -out /tmp/cado.07tjxuxt/c130.dup1/ -n 1 -filelist
/tmp/cado.07tjxuxt/c130.dup1.filelist.1 -path_antebuffer /tmp
# Compiled with gcc 6.3.0 20170516
# Compilation flags (C) -std=c99 -g -W -Wall -O2
# Compilation flags (C++) -std=c++11 -g -W -Wall -O2  -Wno-literal-suffix
antebuffer set to /tmp/antebuffer
# Read 1024 relations in 0.0s -- inf MB/s -- inf rels/s
# Opening output file for slice 1 :
/tmp/cado.07tjxuxt/c130.dup1//1/dup1.0.0000.gz
# Opening output file for slice 0 :
/tmp/cado.07tjxuxt/c130.dup1//0/dup1.0.0000.gz
# Read 2048 relations in 0.0s -- 14.8 MB/s -- 116702.5 rels/s
# Read 4096 relations in 0.0s -- 20.1 MB/s -- 163357.2 rels/s
# Read 8192 relations in 0.0s -- 29.3 MB/s -- 241055.4 rels/s
# Read 16384 relations in 0.1s -- 38.4 MB/s -- 319128.0 rels/s
# Read 32768 relations in 0.1s -- 45.8 MB/s -- 381960.9 rels/s
# Read 65536 relations in 0.3s -- 24.2 MB/s -- 201820.7 rels/s
# Read 131072 relations in 0.5s -- 30.8 MB/s -- 256886.1 rels/s
# Read 262144 relations in 1.0s -- 32.7 MB/s -- 273273.1 rels/s
# Read 524288 relations in 1.7s -- 37.8 MB/s -- 316188.0 rels/s
# Read 1048576 relations in 3.2s -- 38.7 MB/s -- 325446.0 rels/s
# Read 2097152 relations in 6.7s -- 37.3 MB/s -- 312507.8 rels/s
# Read 4194304 relations in 13.3s -- 37.6 MB/s -- 315016.7 rels/s
# Read 8388608 relations in 26.3s -- 38.0 MB/s -- 318992.2 rels/s
# Read 16777216 relations in 51.5s -- 38.8 MB/s -- 325661.6 rels/s
filter_rels_producer_thread: load error (Bad file descriptor) from
/tmp/antebuffer 24
/tmp/cado.07tjxuxt/c130.upload/c130.1130000-1140000.dx43rdb3.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1120000-1130000.zsfb8qp4.gz
/tmp/cado.07tjxuxt/c130.upload/c130.920000-930000.8rh35286.gz
/tmp/cado.07tjxuxt/c130.upload/c130.980000-990000.mzntf9o7.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1340000-1350000.2z89k03s.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1160000-1170000.t2mcsv0v.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1440000-1450000.esdlc2eg.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1330000-1340000.uszvgz8x.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1410000-1420000.47955c4_.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1010000-1020000.le9tghb8.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1360000-1370000.d7d__zzd.gz
/tmp/cado.07tjxuxt/c130.upload/c130.900000-910000.z7kg2hzd.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1260000-1270000.ujlmmnpa.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1300000-1310000.v_i0060e.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1200000-1210000.lzboav8u.gz
/tmp/cado.07tjxuxt/c130.upload/c130.880000-890000.tto8b4z2.gz
/tmp/cado.07tjxuxt/c130.upload/c130.770000-780000.al2uvlh8.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1020000-1030000.r31lekn2.gz
/tmp/cado.07tjxuxt/c130.upload/c130.840000-850000.cyrifsec.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1220000-1230000.nyn1vzry.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1030000-1040000.97bjqomd.gz
/tmp/cado.07tjxuxt/c130.upload/c130.720000-730000.gp2nodql.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1250000-1260000.1xdv7qfg.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1270000-1280000.6eropx7p.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1240000-1250000.ce6xh304.gz
/tmp/cado.07tjxuxt/c130.upload/c130.810000-820000.wx5xveef.gz
/tmp/cado.07tjxuxt/c130.upload/c130.930000-940000.m4ksdvjz.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1350000-1360000.j71lmdvo.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1060000-1070000.1hiidpag.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1230000-1240000.j2l8lqys.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1180000-1190000.bxri2rq9.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1400000-1410000.ytrzu523.gz
/tmp/cado.07tjxuxt/c130.upload/c130.890000-900000.tsn7yv4w.gz
/tmp/cado.07tjxuxt/c130.upload/c130.760000-770000.qns5atb3.gz
/tmp/cado.07tjxuxt/c130.upload/c130.780000-790000.o78t1w1r.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1050000-1060000.5vi8pn19.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1190000-1200000.9i25gj3x.gz
/tmp/cado.07tjxuxt/c130.upload/c130.950000-960000.4y20w9t_.gz
/tmp/cado.07tjxuxt/c130.upload/c130.850000-860000.clccq50j.gz
/tmp/cado.07tjxuxt/c130.upload/c130.800000-810000.3qisahjw.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1370000-1380000.uga9g8wa.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1280000-1290000.r023l_6e.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1040000-1050000.78iha3fz.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1420000-1430000.ye95pryd.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1100000-1110000.c68e73yp.gz
/tmp/cado.07tjxuxt/c130.upload/c130.820000-830000.0uxa7r8c.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1140000-1150000.32oybivk.gz
/tmp/cado.07tjxuxt/c130.upload/c130.830000-840000.e8g3mtf5.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1290000-1300000._ih61yw8.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1380000-1390000.gahbmrx5.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1110000-1120000.huv2pr6u.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1310000-1320000.b_tycapv.gz
/tmp/cado.07tjxuxt/c130.upload/c130.860000-870000.ltofpuxs.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1070000-1080000.1bjo78ct.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1150000-1160000.s8u79umu.gz
/tmp/cado.07tjxuxt/c130.upload/c130.730000-740000.kyvrxrll.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1000000-1010000.eabjs3ge.gz
/tmp/cado.07tjxuxt/c130.upload/c130.910000-920000.lmm500z8.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1170000-1180000.z4kbzfh4.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1390000-1400000.yfb3jd16.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1090000-1100000.h86cc6hi.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1320000-1330000.wqlmabbn.gz
/tmp/cado.07tjxuxt/c130.upload/c130.711270-720000.ak2atej7.gz
/tmp/cado.07tjxuxt/c130.upload/c130.790000-800000.w7s3yi6k.gz
/tmp/cado.07tjxuxt/c130.upload/c130.960000-970000.mjqtd68d.gz
/tmp/cado.07tjxuxt/c130.upload/c130.870000-880000.p8c4kh_p.gz
/tmp/cado.07tjxuxt/c130.upload/c130.940000-950000.bdsjj0r6.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1210000-1220000.55o7k1q9.gz
/tmp/cado.07tjxuxt/c130.upload/c130.970000-980000.oisqt92y.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1080000-1090000.ftvv9ghg.gz
/tmp/cado.07tjxuxt/c130.upload/c130.750000-760000.5n9zmca8.gz
/tmp/cado.07tjxuxt/c130.upload/c130.740000-750000.h86st3jv.gz
/tmp/cado.07tjxuxt/c130.upload/c130.990000-1000000.gghxuidb.gz
/tmp/cado.07tjxuxt/c130.upload/c130.1430000-1440000._dkfvyay.gz | gzip -dc -
Annullato

===


> PS: the snapshot files are in /tmp/cado.07tjxuxt, you should have
> /tmp/cado.07tjxuxt/c130.parameters_snapshot.0, and so on.
>

Oh, yes!

Here it is:


N =
114381625757888867669235779976146612010218296721242362562561842935706935245733897830597123563958705058989075147599290026879543541
lim0 = 13124945
lim1 = 44217255
lpb0 = 28
lpb1 = 28
name = c130
slaves.basepath = /tmp/cado.07tjxuxt/client
slaves.hostnames = localhost
slaves.nrclients = 2
slaves.scriptpath = /home/roberto/prova-cado-nfs/cado-nfs
tasks.I = 14
tasks.execpath = /home/roberto/prova-cado-nfs/cado-nfs/build/voyager
tasks.threads = 3
tasks.workdir = /tmp/cado.07tjxuxt
tasks.filter.maxlevel = 25
tasks.filter.target_density = 170.0
tasks.filter.purge.keep = 160
tasks.linalg.m = 64
tasks.linalg.n = 64
tasks.linalg.bwc.cpubinding =
/home/roberto/prova-cado-nfs/cado-nfs/parameters/misc/cpubinding.conf
tasks.linalg.bwc.interleaving = 0
tasks.linalg.bwc.interval = 1000
tasks.linalg.characters.nchar = 50
tasks.polyselect.P = 80000
tasks.polyselect.admax = 1e6
tasks.polyselect.adrange = 1e4
tasks.polyselect.degree = 5
tasks.polyselect.incr = 60
tasks.polyselect.nq = 625
tasks.polyselect.nrkeep = 100
tasks.polyselect.ropteffort = 10
tasks.polyselect.threads = 2
tasks.sieve.mfb0 = 56
tasks.sieve.mfb1 = 56
tasks.sieve.ncurves0 = 16
tasks.sieve.ncurves1 = 21
tasks.sieve.qmin = 711270
tasks.sieve.qrange = 10000
tasks.sieve.las.threads = 2

Thanks
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