gpg--pubkey输入失败，求解救！

请各位帮帮看下，弄好几天了，面临失业的危险。

安装所有的rpm包时报错，用yum本地源也不行，私网服务器，没公网：
[root@RedHat6 BOCO]# rpm -ivh java-1.7.0-openjdk-1.7.0.9-2.3.4.1.el6_3.x86_64.rpm
error: java-1.7.0-openjdk-1.7.0.9-2.3.4.1.el6_3.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID fd431d51: BAD
error: java-1.7.0-openjdk-1.7.0.9-2.3.4.1.el6_3.x86_64.rpm cannot be installed

网上查了说说gpg key版本过低，根据网上的方法，还是报错。

[root@RedHat6 BOCO]# rpm --import /etc/pki/rpm-gpg/RPM*
error: /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-beta: key 1 import failed.
error: /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-beta: key 2 import failed.
error: /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-legacy-former: key 1 import failed.
error: /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-legacy-release: key 1 import failed.
error: /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-legacy-rhx: key 1 import failed.
error: /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release: key 1 import failed.
error: /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release: key 2 import failed.

真心请帮忙看下，非常感谢！