Centos Header V3 RSA/SHA1 Signature, key ID c105b9de: BAD

Error:
#rpm -v --checksig xxxxxx.rpm

Header SHA1 digest: BAD V3 RSA/SHA1
Signature, key ID c105b9de: BAD MD5 digest: BAD

Solutions:

1. Manually download nss-softokn-freebl-3.14.3-19 

64-Bit servers / x86_64 run

wget ftp://195.220.108.108/linux/centos/6.6/updates/x86_64/Packages/nss-softokn-freebl-3.14.3-19.el6_6.x86_64.rpm

32-Bit Servers / i686 run

wget ftp://195.220.108.108/linux/centos/6.6/updates/i386/Packages/nss-softokn-freebl-3.14.3

2. Extract the RPM 

64-Bit servers / x86_64 run

rpm2cpio nss-softokn-freebl-3.14.3-19.el6_6.x86_64.rpm | cpio -idmv

32-Bit Servers / i686 run

rpm2cpio nss-softokn-freebl-3.14.3-19.el6_6.i686.rpm | cpio -idmv

3. Copy .libfreeblpriv3.* to correct location 

64-Bit servers / x86_64 run

cp ./lib64/libfreeblpriv3.* /lib64

32-Bit Servers / i686 run

cp ./lib/libfreeblpriv3.* /lib

4. Rerun Yum Update to update nss-softokn-freebl and FIX YUM and RPM -

wget http://mirror.centos.org/centos/6/os/x86_64/Packages/yum-3.2.29-60.el6.centos.noarch.rpm

wget http://mirror.centos.org/centos/6/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.30-30.el6.noarch.rpm

wget http://mirror.centos.org/centos/6/os/x86_64/Packages/centos-release-6-6.el6.centos.12.2.x86_64.rpm

rpm -ivh --nodeps yum-3.2.29-60.el6.centos.noarch.rpm

rpm -ivh yum-plugin-fastestmirror-1.1.30-30.el6.noarch.rpm

rpm -ivh centos-release-6-6.el6.centos.12.2.x86_64.rpm

5. Done

source : http://superuser.com/questions/865327/header-v3-rsa-sha1-signature-key-id-c105b9de-bad