apps/openssl.cnf - third_party/openssl - Git at Google

 #
 # OpenSSL example configuration file.
 # See doc/man5/config.pod for more info.
 #
 # This is mostly being used for generation of certificate requests,
 # but may be used for auto loading of providers

 # Note that you can include other files from the main configuration
 # file using the .include directive.
 #.include filename

 # This definition stops the following lines choking if HOME isn't
 # defined.
 HOME			= .

  # Use this in order to automatically load providers.
 openssl_conf = openssl_init

 # Comment out the next line to ignore configuration errors
 config_diagnostics = 1

 # Extra OBJECT IDENTIFIER info:
 # oid_file       = $ENV::HOME/.oid
 oid_section = new_oids

 # To use this configuration file with the "-extfile" option of the
 # "openssl x509" utility, name here the section containing the
 # X.509v3 extensions to use:
 # extensions		=
 # (Alternatively, use a configuration file that has only
 # X.509v3 extensions in its main [= default] section.)

 [ new_oids ]
 # We can add new OIDs in here for use by 'ca', 'req' and 'ts'.
 # Add a simple OID like this:
 # testoid1=1.2.3.4
 # Or use config file substitution like this:
 # testoid2=${testoid1}.5.6

 # Policies used by the TSA examples.
 tsa_policy1 = 1.2.3.4.1
 tsa_policy2 = 1.2.3.4.5.6
 tsa_policy3 = 1.2.3.4.5.7

 # For FIPS
 # Optionally include a file that is generated by the OpenSSL fipsinstall
 # application. This file contains configuration data required by the OpenSSL
 # fips provider. It contains a named section e.g. [fips_sect] which is
 # referenced from the [provider_sect] below.
 # Refer to the OpenSSL security policy for more information.
 # .include fipsmodule.cnf

 [openssl_init]
 providers = provider_sect

 # List of providers to load
 [provider_sect]
 default = default_sect
 # The fips section name should match the section name inside the
 # included fipsmodule.cnf.
 # fips = fips_sect

 # If no providers are activated explicitly, the default one is activated implicitly.
 # See man 7 OSSL_PROVIDER-default for more details.
 #
 # If you add a section explicitly activating any other provider(s), you most
 # probably need to explicitly activate the default provider, otherwise it
 # becomes unavailable in openssl.  As a consequence applications depending on
 # OpenSSL may not work correctly which could lead to significant system
 # problems including inability to remotely access the system.
 [default_sect]
 # activate = 1


 ####################################################################
 [ ca ]
 default_ca	= CA_default		# The default ca section

 ####################################################################
 [ CA_default ]

 dir		= ./demoCA		# Where everything is kept
 certs		= $dir/certs		# Where the issued certs are kept
 crl_dir		= $dir/crl		# Where the issued crl are kept
 database	= $dir/index.txt	# database index file.
 #unique_subject	= no			# Set to 'no' to allow creation of
 					# several certs with same subject.
 new_certs_dir	= $dir/newcerts		# default place for new certs.

 certificate	= $dir/cacert.pem 	# The CA certificate
 serial		= $dir/serial 		# The current serial number
 crlnumber	= $dir/crlnumber	# the current crl number
 					# must be commented out to leave a V1 CRL
 crl		= $dir/crl.pem 		# The current CRL
 private_key	= $dir/private/cakey.pem# The private key

 x509_extensions	= usr_cert		# The extensions to add to the cert

 # Comment out the following two lines for the "traditional"
 # (and highly broken) format.
 name_opt 	= ca_default		# Subject Name options
 cert_opt 	= ca_default		# Certificate field options

 # Extension copying option: use with caution.
 # copy_extensions = copy

 # Extensions to add to a CRL. Note: Netscape communicator chokes on V2 CRLs
 # so this is commented out by default to leave a V1 CRL.
 # crlnumber must also be commented out to leave a V1 CRL.
 # crl_extensions	= crl_ext

 default_days	= 365			# how long to certify for
 default_crl_days= 30			# how long before next CRL
 default_md	= default		# use public key default MD
 preserve	= no			# keep passed DN ordering

 # A few difference way of specifying how similar the request should look
 # For type CA, the listed attributes must be the same, and the optional
 # and supplied fields are just that :-)
 policy		= policy_match

 # For the CA policy
 [ policy_match ]
 countryName		= match
 stateOrProvinceName	= match
 organizationName	= match
 organizationalUnitName	= optional
 commonName		= supplied
 emailAddress		= optional

 # For the 'anything' policy
 # At this point in time, you must list all acceptable 'object'
 # types.
 [ policy_anything ]
 countryName		= optional
 stateOrProvinceName	= optional
 localityName		= optional
 organizationName	= optional
 organizationalUnitName	= optional
 commonName		= supplied
 emailAddress		= optional

 ####################################################################
 [ req ]
 default_bits		= 2048
 default_keyfile 	= privkey.pem
 distinguished_name	= req_distinguished_name
 attributes		= req_attributes
 x509_extensions	= v3_ca	# The extensions to add to the self signed cert

 # Passwords for private keys if not present they will be prompted for
 # input_password = secret
 # output_password = secret

 # This sets a mask for permitted string types. There are several options.
 # default: PrintableString, T61String, BMPString.
 # pkix	 : PrintableString, BMPString (PKIX recommendation before 2004)
 # utf8only: only UTF8Strings (PKIX recommendation after 2004).
 # nombstr : PrintableString, T61String (no BMPStrings or UTF8Strings).
 # MASK:XXXX a literal mask value.
 # WARNING: ancient versions of Netscape crash on BMPStrings or UTF8Strings.
 string_mask = utf8only

 # req_extensions = v3_req # The extensions to add to a certificate request

 [ req_distinguished_name ]
 countryName			= Country Name (2 letter code)
 countryName_default		= AU
 countryName_min			= 2
 countryName_max			= 2

 stateOrProvinceName		= State or Province Name (full name)
 stateOrProvinceName_default	= Some-State

 localityName			= Locality Name (eg, city)

 0.organizationName		= Organization Name (eg, company)
 0.organizationName_default	= Internet Widgits Pty Ltd

 # we can do this but it is not needed normally :-)
 #1.organizationName		= Second Organization Name (eg, company)
 #1.organizationName_default	= World Wide Web Pty Ltd

 organizationalUnitName		= Organizational Unit Name (eg, section)
 #organizationalUnitName_default	=

 commonName			= Common Name (e.g. server FQDN or YOUR name)
 commonName_max			= 64

 emailAddress			= Email Address
 emailAddress_max		= 64

 # SET-ex3			= SET extension number 3

 [ req_attributes ]
 challengePassword		= A challenge password
 challengePassword_min		= 4
 challengePassword_max		= 20

 unstructuredName		= An optional company name

 [ usr_cert ]

 # These extensions are added when 'ca' signs a request.

 # This goes against PKIX guidelines but some CAs do it and some software
 # requires this to avoid interpreting an end user certificate as a CA.

 basicConstraints=CA:FALSE

 # This is typical in keyUsage for a client certificate.
 # keyUsage = nonRepudiation, digitalSignature, keyEncipherment

 # PKIX recommendations harmless if included in all certificates.
 subjectKeyIdentifier=hash
 authorityKeyIdentifier=keyid,issuer

 # This stuff is for subjectAltName and issuerAltname.
 # Import the email address.
 # subjectAltName=email:copy
 # An alternative to produce certificates that aren't
 # deprecated according to PKIX.
 # subjectAltName=email:move

 # Copy subject details
 # issuerAltName=issuer:copy

 # This is required for TSA certificates.
 # extendedKeyUsage = critical,timeStamping

 [ v3_req ]

 # Extensions to add to a certificate request

 basicConstraints = CA:FALSE
 keyUsage = nonRepudiation, digitalSignature, keyEncipherment

 [ v3_ca ]


 # Extensions for a typical CA


 # PKIX recommendation.

 subjectKeyIdentifier=hash

 authorityKeyIdentifier=keyid:always,issuer

 basicConstraints = critical,CA:true

 # Key usage: this is typical for a CA certificate. However since it will
 # prevent it being used as an test self-signed certificate it is best
 # left out by default.
 # keyUsage = cRLSign, keyCertSign

 # Include email address in subject alt name: another PKIX recommendation
 # subjectAltName=email:copy
 # Copy issuer details
 # issuerAltName=issuer:copy

 # DER hex encoding of an extension: beware experts only!
 # obj=DER:02:03
 # Where 'obj' is a standard or added object
 # You can even override a supported extension:
 # basicConstraints= critical, DER:30:03:01:01:FF

 [ crl_ext ]

 # CRL extensions.
 # Only issuerAltName and authorityKeyIdentifier make any sense in a CRL.

 # issuerAltName=issuer:copy
 authorityKeyIdentifier=keyid:always

 [ proxy_cert_ext ]
 # These extensions should be added when creating a proxy certificate

 # This goes against PKIX guidelines but some CAs do it and some software
 # requires this to avoid interpreting an end user certificate as a CA.

 basicConstraints=CA:FALSE

 # This is typical in keyUsage for a client certificate.
 # keyUsage = nonRepudiation, digitalSignature, keyEncipherment

 # PKIX recommendations harmless if included in all certificates.
 subjectKeyIdentifier=hash
 authorityKeyIdentifier=keyid,issuer

 # This stuff is for subjectAltName and issuerAltname.
 # Import the email address.
 # subjectAltName=email:copy
 # An alternative to produce certificates that aren't
 # deprecated according to PKIX.
 # subjectAltName=email:move

 # Copy subject details
 # issuerAltName=issuer:copy

 # This really needs to be in place for it to be a proxy certificate.
 proxyCertInfo=critical,language:id-ppl-anyLanguage,pathlen:3,policy:foo

 ####################################################################
 [ tsa ]

 default_tsa = tsa_config1	# the default TSA section

 [ tsa_config1 ]

 # These are used by the TSA reply generation only.
 dir		= ./demoCA		# TSA root directory
 serial		= $dir/tsaserial	# The current serial number (mandatory)
 crypto_device	= builtin		# OpenSSL engine to use for signing
 signer_cert	= $dir/tsacert.pem 	# The TSA signing certificate
 					# (optional)
 certs		= $dir/cacert.pem	# Certificate chain to include in reply
 					# (optional)
 signer_key	= $dir/private/tsakey.pem # The TSA private key (optional)
 signer_digest  = sha256			# Signing digest to use. (Optional)
 default_policy	= tsa_policy1		# Policy if request did not specify it
 					# (optional)
 other_policies	= tsa_policy2, tsa_policy3	# acceptable policies (optional)
 digests     = sha1, sha256, sha384, sha512  # Acceptable message digests (mandatory)
 accuracy	= secs:1, millisecs:500, microsecs:100	# (optional)
 clock_precision_digits  = 0	# number of digits after dot. (optional)
 ordering		= yes	# Is ordering defined for timestamps?
 				# (optional, default: no)
 tsa_name		= yes	# Must the TSA name be included in the reply?
 				# (optional, default: no)
 ess_cert_id_chain	= no	# Must the ESS cert id chain be included?
 				# (optional, default: no)
 ess_cert_id_alg		= sha1	# algorithm to compute certificate
 				# identifier (optional, default: sha1)

 [insta] # CMP using Insta Demo CA
 # Message transfer
 server = pki.certificate.fi:8700
 # proxy = # set this as far as needed, e.g., http://192.168.1.1:8080
 # tls_use = 0
 path = pkix/

 # Server authentication
 recipient = "/C=FI/O=Insta Demo/CN=Insta Demo CA" # or set srvcert or issuer
 ignore_keyusage = 1 # potentially needed quirk
 unprotected_errors = 1 # potentially needed quirk
 extracertsout = insta.extracerts.pem

 # Client authentication
 ref = 3078 # user identification
 secret = pass:insta # can be used for both client and server side

 # Generic message options
 cmd = ir # default operation, can be overridden on cmd line with, e.g., kur

 # Certificate enrollment
 subject = "/CN=openssl-cmp-test"
 newkey = insta.priv.pem
 out_trusted = insta.ca.crt
 certout = insta.cert.pem

 [pbm] # Password-based protection for Insta CA
 # Server and client authentication
 ref = $insta::ref # 3078
 secret = $insta::secret # pass:insta

 [signature] # Signature-based protection for Insta CA
 # Server authentication
 trusted = insta.ca.crt # does not include keyUsage digitalSignature

 # Client authentication
 secret = # disable PBM
 key = $insta::newkey # insta.priv.pem
 cert = $insta::certout # insta.cert.pem

 [ir]
 cmd = ir

 [cr]
 cmd = cr

 [kur]
 # Certificate update
 cmd = kur
 oldcert = $insta::certout # insta.cert.pem

 [rr]
 # Certificate revocation
 cmd = rr
 oldcert = $insta::certout # insta.cert.pem
	#
	# OpenSSL example configuration file.
	# See doc/man5/config.pod for more info.
	#
	# This is mostly being used for generation of certificate requests,
	# but may be used for auto loading of providers

	# Note that you can include other files from the main configuration
	# file using the .include directive.
	#.include filename

	# This definition stops the following lines choking if HOME isn't
	# defined.
	HOME = .

	# Use this in order to automatically load providers.
	openssl_conf = openssl_init

	# Comment out the next line to ignore configuration errors
	config_diagnostics = 1

	# Extra OBJECT IDENTIFIER info:
	# oid_file = $ENV::HOME/.oid
	oid_section = new_oids

	# To use this configuration file with the "-extfile" option of the
	# "openssl x509" utility, name here the section containing the
	# X.509v3 extensions to use:
	# extensions =
	# (Alternatively, use a configuration file that has only
	# X.509v3 extensions in its main [= default] section.)

	[ new_oids ]
	# We can add new OIDs in here for use by 'ca', 'req' and 'ts'.
	# Add a simple OID like this:
	# testoid1=1.2.3.4
	# Or use config file substitution like this:
	# testoid2=${testoid1}.5.6

	# Policies used by the TSA examples.
	tsa_policy1 = 1.2.3.4.1
	tsa_policy2 = 1.2.3.4.5.6
	tsa_policy3 = 1.2.3.4.5.7

	# For FIPS
	# Optionally include a file that is generated by the OpenSSL fipsinstall
	# application. This file contains configuration data required by the OpenSSL
	# fips provider. It contains a named section e.g. [fips_sect] which is
	# referenced from the [provider_sect] below.
	# Refer to the OpenSSL security policy for more information.
	# .include fipsmodule.cnf

	[openssl_init]
	providers = provider_sect

	# List of providers to load
	[provider_sect]
	default = default_sect
	# The fips section name should match the section name inside the
	# included fipsmodule.cnf.
	# fips = fips_sect

	# If no providers are activated explicitly, the default one is activated implicitly.
	# See man 7 OSSL_PROVIDER-default for more details.
	#
	# If you add a section explicitly activating any other provider(s), you most
	# probably need to explicitly activate the default provider, otherwise it
	# becomes unavailable in openssl. As a consequence applications depending on
	# OpenSSL may not work correctly which could lead to significant system
	# problems including inability to remotely access the system.
	[default_sect]
	# activate = 1


	####################################################################
	[ ca ]
	default_ca = CA_default # The default ca section

	####################################################################
	[ CA_default ]

	dir = ./demoCA # Where everything is kept
	certs = $dir/certs # Where the issued certs are kept
	crl_dir = $dir/crl # Where the issued crl are kept
	database = $dir/index.txt # database index file.
	#unique_subject = no # Set to 'no' to allow creation of
	# several certs with same subject.
	new_certs_dir = $dir/newcerts # default place for new certs.

	certificate = $dir/cacert.pem # The CA certificate
	serial = $dir/serial # The current serial number
	crlnumber = $dir/crlnumber # the current crl number
	# must be commented out to leave a V1 CRL
	crl = $dir/crl.pem # The current CRL
	private_key = $dir/private/cakey.pem# The private key

	x509_extensions = usr_cert # The extensions to add to the cert

	# Comment out the following two lines for the "traditional"
	# (and highly broken) format.
	name_opt = ca_default # Subject Name options
	cert_opt = ca_default # Certificate field options

	# Extension copying option: use with caution.
	# copy_extensions = copy

	# Extensions to add to a CRL. Note: Netscape communicator chokes on V2 CRLs
	# so this is commented out by default to leave a V1 CRL.
	# crlnumber must also be commented out to leave a V1 CRL.
	# crl_extensions = crl_ext

	default_days = 365 # how long to certify for
	default_crl_days= 30 # how long before next CRL
	default_md = default # use public key default MD
	preserve = no # keep passed DN ordering

	# A few difference way of specifying how similar the request should look
	# For type CA, the listed attributes must be the same, and the optional
	# and supplied fields are just that :-)
	policy = policy_match

	# For the CA policy
	[ policy_match ]
	countryName = match
	stateOrProvinceName = match
	organizationName = match
	organizationalUnitName = optional
	commonName = supplied
	emailAddress = optional

	# For the 'anything' policy
	# At this point in time, you must list all acceptable 'object'
	# types.
	[ policy_anything ]
	countryName = optional
	stateOrProvinceName = optional
	localityName = optional
	organizationName = optional
	organizationalUnitName = optional
	commonName = supplied
	emailAddress = optional

	####################################################################
	[ req ]
	default_bits = 2048
	default_keyfile = privkey.pem
	distinguished_name = req_distinguished_name
	attributes = req_attributes
	x509_extensions = v3_ca # The extensions to add to the self signed cert

	# Passwords for private keys if not present they will be prompted for
	# input_password = secret
	# output_password = secret

	# This sets a mask for permitted string types. There are several options.
	# default: PrintableString, T61String, BMPString.
	# pkix : PrintableString, BMPString (PKIX recommendation before 2004)
	# utf8only: only UTF8Strings (PKIX recommendation after 2004).
	# nombstr : PrintableString, T61String (no BMPStrings or UTF8Strings).
	# MASK:XXXX a literal mask value.
	# WARNING: ancient versions of Netscape crash on BMPStrings or UTF8Strings.
	string_mask = utf8only

	# req_extensions = v3_req # The extensions to add to a certificate request

	[ req_distinguished_name ]
	countryName = Country Name (2 letter code)
	countryName_default = AU
	countryName_min = 2
	countryName_max = 2

	stateOrProvinceName = State or Province Name (full name)
	stateOrProvinceName_default = Some-State

	localityName = Locality Name (eg, city)

	0.organizationName = Organization Name (eg, company)
	0.organizationName_default = Internet Widgits Pty Ltd

	# we can do this but it is not needed normally :-)
	#1.organizationName = Second Organization Name (eg, company)
	#1.organizationName_default = World Wide Web Pty Ltd

	organizationalUnitName = Organizational Unit Name (eg, section)
	#organizationalUnitName_default =

	commonName = Common Name (e.g. server FQDN or YOUR name)
	commonName_max = 64

	emailAddress = Email Address
	emailAddress_max = 64

	# SET-ex3 = SET extension number 3

	[ req_attributes ]
	challengePassword = A challenge password
	challengePassword_min = 4
	challengePassword_max = 20

	unstructuredName = An optional company name

	[ usr_cert ]

	# These extensions are added when 'ca' signs a request.

	# This goes against PKIX guidelines but some CAs do it and some software
	# requires this to avoid interpreting an end user certificate as a CA.

	basicConstraints=CA:FALSE

	# This is typical in keyUsage for a client certificate.
	# keyUsage = nonRepudiation, digitalSignature, keyEncipherment

	# PKIX recommendations harmless if included in all certificates.
	subjectKeyIdentifier=hash
	authorityKeyIdentifier=keyid,issuer

	# This stuff is for subjectAltName and issuerAltname.
	# Import the email address.
	# subjectAltName=email:copy
	# An alternative to produce certificates that aren't
	# deprecated according to PKIX.
	# subjectAltName=email:move

	# Copy subject details
	# issuerAltName=issuer:copy

	# This is required for TSA certificates.
	# extendedKeyUsage = critical,timeStamping

	[ v3_req ]

	# Extensions to add to a certificate request

	basicConstraints = CA:FALSE
	keyUsage = nonRepudiation, digitalSignature, keyEncipherment

	[ v3_ca ]


	# Extensions for a typical CA


	# PKIX recommendation.

	subjectKeyIdentifier=hash

	authorityKeyIdentifier=keyid:always,issuer

	basicConstraints = critical,CA:true

	# Key usage: this is typical for a CA certificate. However since it will
	# prevent it being used as an test self-signed certificate it is best
	# left out by default.
	# keyUsage = cRLSign, keyCertSign

	# Include email address in subject alt name: another PKIX recommendation
	# subjectAltName=email:copy
	# Copy issuer details
	# issuerAltName=issuer:copy

	# DER hex encoding of an extension: beware experts only!
	# obj=DER:02:03
	# Where 'obj' is a standard or added object
	# You can even override a supported extension:
	# basicConstraints= critical, DER:30:03:01:01:FF

	[ crl_ext ]

	# CRL extensions.
	# Only issuerAltName and authorityKeyIdentifier make any sense in a CRL.

	# issuerAltName=issuer:copy
	authorityKeyIdentifier=keyid:always

	[ proxy_cert_ext ]
	# These extensions should be added when creating a proxy certificate

	# This goes against PKIX guidelines but some CAs do it and some software
	# requires this to avoid interpreting an end user certificate as a CA.

	basicConstraints=CA:FALSE

	# This is typical in keyUsage for a client certificate.
	# keyUsage = nonRepudiation, digitalSignature, keyEncipherment

	# PKIX recommendations harmless if included in all certificates.
	subjectKeyIdentifier=hash
	authorityKeyIdentifier=keyid,issuer

	# This stuff is for subjectAltName and issuerAltname.
	# Import the email address.
	# subjectAltName=email:copy
	# An alternative to produce certificates that aren't
	# deprecated according to PKIX.
	# subjectAltName=email:move

	# Copy subject details
	# issuerAltName=issuer:copy

	# This really needs to be in place for it to be a proxy certificate.
	proxyCertInfo=critical,language:id-ppl-anyLanguage,pathlen:3,policy:foo

	####################################################################
	[ tsa ]

	default_tsa = tsa_config1 # the default TSA section

	[ tsa_config1 ]

	# These are used by the TSA reply generation only.
	dir = ./demoCA # TSA root directory
	serial = $dir/tsaserial # The current serial number (mandatory)
	crypto_device = builtin # OpenSSL engine to use for signing
	signer_cert = $dir/tsacert.pem # The TSA signing certificate
	# (optional)
	certs = $dir/cacert.pem # Certificate chain to include in reply
	# (optional)
	signer_key = $dir/private/tsakey.pem # The TSA private key (optional)
	signer_digest = sha256 # Signing digest to use. (Optional)
	default_policy = tsa_policy1 # Policy if request did not specify it
	# (optional)
	other_policies = tsa_policy2, tsa_policy3 # acceptable policies (optional)
	digests = sha1, sha256, sha384, sha512 # Acceptable message digests (mandatory)
	accuracy = secs:1, millisecs:500, microsecs:100 # (optional)
	clock_precision_digits = 0 # number of digits after dot. (optional)
	ordering = yes # Is ordering defined for timestamps?
	# (optional, default: no)
	tsa_name = yes # Must the TSA name be included in the reply?
	# (optional, default: no)
	ess_cert_id_chain = no # Must the ESS cert id chain be included?
	# (optional, default: no)
	ess_cert_id_alg = sha1 # algorithm to compute certificate
	# identifier (optional, default: sha1)

	[insta] # CMP using Insta Demo CA
	# Message transfer
	server = pki.certificate.fi:8700
	# proxy = # set this as far as needed, e.g., http://192.168.1.1:8080
	# tls_use = 0
	path = pkix/

	# Server authentication
	recipient = "/C=FI/O=Insta Demo/CN=Insta Demo CA" # or set srvcert or issuer
	ignore_keyusage = 1 # potentially needed quirk
	unprotected_errors = 1 # potentially needed quirk
	extracertsout = insta.extracerts.pem

	# Client authentication
	ref = 3078 # user identification
	secret = pass:insta # can be used for both client and server side

	# Generic message options
	cmd = ir # default operation, can be overridden on cmd line with, e.g., kur

	# Certificate enrollment
	subject = "/CN=openssl-cmp-test"
	newkey = insta.priv.pem
	out_trusted = insta.ca.crt
	certout = insta.cert.pem

	[pbm] # Password-based protection for Insta CA
	# Server and client authentication
	ref = $insta::ref # 3078
	secret = $insta::secret # pass:insta

	[signature] # Signature-based protection for Insta CA
	# Server authentication
	trusted = insta.ca.crt # does not include keyUsage digitalSignature

	# Client authentication
	secret = # disable PBM
	key = $insta::newkey # insta.priv.pem
	cert = $insta::certout # insta.cert.pem

	[ir]
	cmd = ir

	[cr]
	cmd = cr

	[kur]
	# Certificate update
	cmd = kur
	oldcert = $insta::certout # insta.cert.pem

	[rr]
	# Certificate revocation
	cmd = rr
	oldcert = $insta::certout # insta.cert.pem