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OpenSSL "ca" Error "lookup failed for ca::default_md"
Why I am getting the "variable lookup failed for ca::default_md" error when running OpenSSL "ca" command?
✍: FYIcenter.com
You are getting the "variable lookup failed for ca::default_md" error, because OpenSSL "ca" command can not find the required "default_md" option in the configuration file.
For example, if you have the follow configuration file, test.cnf, without "default_md" option defined:
# Unnamed section of generic options # section for the "default_ca" option [ca] default_ca = my_ca_default # default section for "ca" command options [my_ca_default] new_certs_dir = ./my_ca/certs database = ./my_ca/certs.db
You will get an error, because "default_md" is a required option:
C:\Users\fyicenter>\local\OpenSSL-Win32\bin\openssl.exe OpenSSL> ca -in test.csr -keyfile my_ca.key -cert my_ca.crt -config test.cnf Using configuration from test.cnf Enter pass phrase for my_ca.key:fyicenter variable lookup failed for my_ca_default::default_md 5816:error:02001002:system library:fopen:No such file or directory: .\crypto\bio\bss_file.c:175:fopen('./my_ca/certs.db.attr','rb') 5816:error:2006D080:BIO routines:BIO_new_file:no such file: .\crypto\bio\bss_file.c:178: 5816:error:0E078072:configuration file routines:DEF_LOAD:no such file: .\crypto\conf\conf_def.c:195: 5816:error:0E06D06C:configuration file routines:NCONF_get_string:no value: .\crypto\conf\conf_lib.c:324:group=my_ca_default name=default_md error in ca
Fixing this error is easy. Just add the "default_md" option in the section pointed by the "default_ca" option in the configuration file:
# Unnamed section of generic options # section for the "default_ca" option [ca] default_ca = my_ca_default # default section for "ca" command options [my_ca_default] new_certs_dir = ./my_ca/certs database = ./my_ca/certs.db default_md = md5
"default_md = md5" tells OpenSSL to use MD5 as the message digest algorithm, when generating the digital signature in the certificate.
⇒ OpenSSL "ca" Error "lookup failed for ca::policy"
2016-09-08, 10893👍, 0💬
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