what's happening with debsig ?

[Samu <samu@mclink.it>]

hi,
today i tried to update my sid ..
i receive this errors:
[...]
dpkg: error processing /var/cache/apt/archives/lilo_1%3a21.7.1-0_i386.deb
(--unpack):
 Verification on package /var/cache/apt/archives/lilo_1%3a21.7.1-0_i386.deb
failed!
Authenticating /var/cache/apt/archives/dpkg-dev_1.9.0_all.deb ...
debsig: Origin Signature check failed. This deb might not be signed.

dpkg: error processing /var/cache/apt/archives/dpkg-dev_1.9.0_all.deb
(--unpack):
 Verification on package /var/cache/apt/archives/dpkg-dev_1.9.0_all.deb
failed!
Authenticating /var/cache/apt/archives/libnewt0_0.50.17-6_i386.deb ...
debsig: Origin Signature check failed. This deb might not be signed.


and so on 
[...]

Errors were encountered while processing:
 /var/cache/apt/archives/debconf_0.9.38_all.deb
 /var/cache/apt/archives/libpopt0_1.6.2-4_i386.deb
 /var/cache/apt/archives/lilo_1%3a21.7.1-0_i386.deb
 /var/cache/apt/archives/dpkg-dev_1.9.0_all.deb
 /var/cache/apt/archives/libnewt0_0.50.17-6_i386.deb
 /var/cache/apt/archives/whiptail_0.50.17-6_i386.deb
 /var/cache/apt/archives/base-config_0.62_i386.deb
 /var/cache/apt/archives/build-essential_4_i386.deb
 /var/cache/apt/archives/bzip2_1.0.1-8_i386.deb
 /var/cache/apt/archives/libbz2-1.0_1.0.1-8_i386.deb
 /var/cache/apt/archives/daemontools-installer_0.70-23_all.deb
 /var/cache/apt/archives/debconf-utils_0.9.38_all.deb
 /var/cache/apt/archives/etherape_0.6.9-1_i386.deb
 /var/cache/apt/archives/freeamp_2.1.final-1_i386.deb
 /var/cache/apt/archives/libcdaudio0_0.99.4-4_i386.deb
 /var/cache/apt/archives/libfreeamp-esound_2.1.final-1_i386.deb
 /var/cache/apt/archives/libfreetype6-dev_2.0.2.20010422-2_i386.deb
 /var/cache/apt/archives/libfreetype6_2.0.2.20010422-2_i386.deb
 /var/cache/apt/archives/libgnomeprint-data_0.28-0.2_all.deb



what's the deal ? is it debian ftp ( i  used ftp.debian.org, ftp.it.debian.org
and others ) cracked ? is it better ignore it ?

thanks Samuele 


-- 
Samuele Tonon  <samu@mclink.it>
Undergraduate Student  of  Computer Science at  University of Bologna, Italy    
System administrator at Computer Science Lab's, University of Bologna, Italy  
Founder & Member of A.A.H.T.
UIN 3155609 
          	Acid -- better living through chemistry.
			       Timothy Leary