else if (strcmp(*argv, "-pvk-strong") == 0)
pvk_encr = 2;
else if (strcmp(*argv, "-pvk-weak") == 0)
pvk_encr = 1;
else if (strcmp(*argv, "-pvk-none") == 0)
pvk_encr = 0;
else if (strcmp(*argv, "-pvk-strong") == 0)
pvk_encr = 2;
else if (strcmp(*argv, "-pvk-weak") == 0)
pvk_encr = 1;
else if (strcmp(*argv, "-pvk-none") == 0)
pvk_encr = 0;