需要安装个人安全管理器PSM的问题

Question

[root@aaa RPMS]# rpm -ivh mozilla-psm-1.2.1-26.i386.rpm
warning: mozilla-psm-1.2.1-26.i386.rpm: V3 DSA signature: NOKEY, key ID db42a60eerror: Failed dependencies:
        libnss3.so is needed by mozilla-psm-1.2.1-26
        libnss3.so(NSS_3.2) is needed by mozilla-psm-1.2.1-26
        libnss3.so(NSS_3.3) is needed by mozilla-psm-1.2.1-26
        libnss3.so(NSS_3.4) is needed by mozilla-psm-1.2.1-26
        libnss3.so(NSS_3.5) is needed by mozilla-psm-1.2.1-26
        libnss3.so(NSS_3.6) is needed by mozilla-psm-1.2.1-26
        libsmime3.so is needed by mozilla-psm-1.2.1-26
        libsmime3.so(NSS_3.2) is needed by mozilla-psm-1.2.1-26
        libsmime3.so(NSS_3.4) is needed by mozilla-psm-1.2.1-26
        libsmime3.so(NSS_3.4.1) is needed by mozilla-psm-1.2.1-26
        libsmime3.so(NSS_3.6) is needed by mozilla-psm-1.2.1-26
        libsoftokn3.so is needed by mozilla-psm-1.2.1-26
        libssl3.so is needed by mozilla-psm-1.2.1-26
        libssl3.so(NSS_3.2) is needed by mozilla-psm-1.2.1-26
        mozilla-nss = 1.2.1-26 is needed by mozilla-psm-1.2.1-26
请问缺少这些.so的文件在什么地方,如何安装