OpenSSL dynamic engine loading shows error
Shariful Alam
dipto181 at gmail.com
Thu Aug 26 17:55:47 UTC 2021
Dear Dmitry,
Thank you very much. After moving the above section at the end of the
configuration file and add the dynamic path to the shared library like the
following,
==================
[rsa_section]
engine_id = rsa-engine-new
dynamic_path = /opt/openssl/lib/engines-1.1/rsa-engine-new.so
==================
My engine load without any error. Thanks.
One more question, Do I need to compile and install my engine with Openssl
source code in-order for it to work with mod_ssl?
Regards,
Shariful Alam
On Thu, Aug 26, 2021 at 10:30 AM Dmitry Belyavsky <beldmit at gmail.com> wrote:
> As I suspected, you have the remnants of main openssl config just after
> your only directive in the [rsa_section]
>
> I'd suggest you moving the following lines
>
> =========
> [openssl_def]
> engines = engine_section
>
> [engine_section]
> rsa-engine-new = rsa_section
>
> [rsa_section]
> engine_id = rsa-engine-new
> ==========
> to the end of your openssl.cnf
>
> On Thu, Aug 26, 2021 at 6:20 PM Shariful Alam <dipto181 at gmail.com> wrote:
>
>> Dmitry,
>> Thank you for your response.
>>
>> As you have suggested, I have changed my engine name to maintain with the
>> configuration file
>>
>> /* Engine Id and Name */
>> static const char *engine_rsa_id = "rsa-engine-new";
>> static const char *engine_rsa_name = "Dummy RSA engine for testing";
>>
>> Here is my whole *openssl.cnf* file content
>>
>> =============================================================================================================================
>>
>> #
>> # OpenSSL example configuration file.
>> # This is mostly being used for generation of certificate requests.
>> #
>>
>> # 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 = .
>>
>> openssl_conf = openssl_def
>>
>> [openssl_def]
>> engines = engine_section
>>
>> [engine_section]
>> rsa-engine-new = rsa_section
>>
>> [rsa_section]
>> engine_id = rsa-engine-new
>>
>> # 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
>>
>> ####################################################################
>> [ 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 = optional
>> organizationName = optional
>> 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
>>
>> # Here are some examples of the usage of nsCertType. If it is omitted
>> # the certificate can be used for anything *except* object signing.
>>
>> # This is OK for an SSL server.
>> # nsCertType = server
>>
>> # For an object signing certificate this would be used.
>> # nsCertType = objsign
>>
>> # For normal client use this is typical
>> # nsCertType = client, email
>>
>> # and for everything including object signing:
>> # nsCertType = client, email, objsign
>>
>> # This is typical in keyUsage for a client certificate.
>> # keyUsage = nonRepudiation, digitalSignature, keyEncipherment
>>
>> # This will be displayed in Netscape's comment listbox.
>> nsComment = "OpenSSL Generated Certificate"
>>
>> # 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
>>
>> #nsCaRevocationUrl = http://www.domain.dom/ca-crl.pem
>> #nsBaseUrl
>> #nsRevocationUrl
>> #nsRenewalUrl
>> #nsCaPolicyUrl
>> #nsSslServerName
>>
>> # 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
>>
>> # Some might want this also
>> # nsCertType = sslCA, emailCA
>>
>> # 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
>>
>> # Here are some examples of the usage of nsCertType. If it is omitted
>> # the certificate can be used for anything *except* object signing.
>>
>> # This is OK for an SSL server.
>> # nsCertType = server
>>
>> # For an object signing certificate this would be used.
>> # nsCertType = objsign
>>
>> # For normal client use this is typical
>> # nsCertType = client, email
>>
>> # and for everything including object signing:
>> # nsCertType = client, email, objsign
>>
>> # This is typical in keyUsage for a client certificate.
>> # keyUsage = nonRepudiation, digitalSignature, keyEncipherment
>>
>> # This will be displayed in Netscape's comment listbox.
>> nsComment = "OpenSSL Generated Certificate"
>>
>> # 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
>>
>> #nsCaRevocationUrl = http://www.domain.dom/ca-crl.pem
>> #nsBaseUrl
>> #nsRevocationUrl
>> #nsRenewalUrl
>> #nsCaPolicyUrl
>> #nsSslServerName
>>
>> # 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 = $dir/private/tsakey.pem # The TSA private key (optional)
>> signer_digest = sha256 # Signing digest to use. (Optional)
>> default_policy = tsa_policy1 # Policy if request did not specify it
>> # (optional)
>> other_policies = tsa_policy2, tsa_policy3 # acceptable policies (optional)
>> digests = sha1, sha256, sha384, sha512 # Acceptable message digests
>> (mandatory)
>> accuracy = secs:1, millisecs:500, microsecs:100 # (optional)
>> clock_precision_digits = 0 # number of digits after dot. (optional)
>> ordering = yes # Is ordering defined for timestamps?
>> # (optional, default: no)
>> tsa_name = yes # Must the TSA name be included in the reply?
>> # (optional, default: no)
>> ess_cert_id_chain = no # Must the ESS cert id chain be included?
>> # (optional, default: no)
>> ess_cert_id_alg = sha1 # algorithm to compute certificate
>> # identifier (optional, default: sha1)
>>
>>
>> On Thu, Aug 26, 2021 at 7:39 AM Dmitry Belyavsky <beldmit at gmail.com>
>> wrote:
>>
>>> Dear Shariful,
>>>
>>> 1. Don't hurry :)
>>> 2. It looks like there are some more configuration options in your
>>> openssl.cnf [rsa_section]
>>> I think they came from the standard configuration. So if I am wrong,
>>> please provide the whole file.
>>> 3. I'd recommend you also update the lines
>>> `
>>> static const char *engine_dasync_id = "dasync";
>>> static const char *engine_dasync_name = "Dummy Async engine support";
>>> `
>>> To be consistent with your engine name
>>>
>>> On Thu, Aug 26, 2021 at 3:24 PM Shariful Alam <dipto181 at gmail.com>
>>> wrote:
>>>
>>>> Any help regarding this matter??
>>>>
>>>> Regards,
>>>> Shariful
>>>>
>>>> On Thu, Aug 26, 2021, 12:06 AM Shariful Alam <dipto181 at gmail.com>
>>>> wrote:
>>>>
>>>>> Hello,
>>>>>
>>>>> I have a simple rsa engine code (from engines/e_dasync.c). My code
>>>>> compiles. Command "*$openssl engine -t -c*" shows the following,
>>>>>
>>>>>
>>>>> openssl engine -t -c
>>>>>
>>>>> (rdrand) Intel RDRAND engine
>>>>>
>>>>> [RAND]
>>>>>
>>>>> [ available ]
>>>>>
>>>>> (dynamic) Dynamic engine loading support
>>>>>
>>>>> [ unavailable ]
>>>>>
>>>>> (dasync) Dummy Async engine support
>>>>>
>>>>> [RSA]
>>>>>
>>>>> [ available ]
>>>>>
>>>>>
>>>>> I also modify *openssl.cnf* configuration as following to load this
>>>>> engine,
>>>>>
>>>>>
>>>>> openssl_conf = openssl_def
>>>>>
>>>>>
>>>>> [openssl_def]
>>>>>
>>>>> engines = engine_section
>>>>>
>>>>>
>>>>> [engine_section]
>>>>>
>>>>> rsa-engine-new = rsa_section
>>>>>
>>>>>
>>>>> [rsa_section]
>>>>>
>>>>> engine_id = rsa-engine-new
>>>>>
>>>>>
>>>>> Then when I run the command "$*openssl engine*", I get the following
>>>>> error,
>>>>>
>>>>> $openssl engine
>>>>>
>>>>> (rdrand) Intel RDRAND engine
>>>>>
>>>>> (dynamic) Dynamic engine loading support
>>>>>
>>>>> (dasync) Dummy Async engine support
>>>>>
>>>>> 139633213376256:error:260AB089:engine
>>>>> routines:ENGINE_ctrl_cmd_string:invalid cmd
>>>>> name:crypto/engine/eng_ctrl.c:255:
>>>>>
>>>>> 139633213376256:error:260BC066:engine
>>>>> routines:int_engine_configure:engine configuration
>>>>> error:crypto/engine/eng_cnf.c:141:section=rsa_section, name=oid_section,
>>>>> value=new_oids
>>>>>
>>>>> 139633213376256:error:0E07606D:configuration file
>>>>> routines:module_run:module initialization
>>>>> error:crypto/conf/conf_mod.c:177:module=engines, value=engine_section,
>>>>> retcode=-1
>>>>>
>>>>>
>>>>> Any help why is this happening? How can I fix this?
>>>>>
>>>>> My goal is to use my OpenSSL engine with Apache for mod_ssl. Do I have
>>>>> to compile my engine with the OpenSSL source code to do that?
>>>>>
>>>>>
>>>>> Here is the complete source code of my sample engine,
>>>>>
>>>>> ==============================================
>>>>>
>>>>>
>>>>> #include <stdio.h>
>>>>>
>>>>> #include <string.h>
>>>>>
>>>>>
>>>>> #include <openssl/engine.h>
>>>>>
>>>>> #include <openssl/sha.h>
>>>>>
>>>>> #include <openssl/aes.h>
>>>>>
>>>>> #include <openssl/rsa.h>
>>>>>
>>>>> #include <openssl/evp.h>
>>>>>
>>>>> #include <openssl/async.h>
>>>>>
>>>>> #include <openssl/bn.h>
>>>>>
>>>>> #include <openssl/crypto.h>
>>>>>
>>>>> #include <openssl/ssl.h>
>>>>>
>>>>> #include <openssl/modes.h>
>>>>>
>>>>>
>>>>> /* Engine Id and Name */
>>>>>
>>>>> static const char *engine_dasync_id = "dasync";
>>>>>
>>>>> static const char *engine_dasync_name = "Dummy Async engine support";
>>>>>
>>>>>
>>>>> static int dasync_pub_enc(int flen, const unsigned char *from,
>>>>>
>>>>> unsigned char *to, RSA *rsa, int padding) {
>>>>>
>>>>> printf("dasync_pub_enc\n");
>>>>>
>>>>>
>>>>>
>>>>> return 0;
>>>>>
>>>>> }
>>>>>
>>>>>
>>>>> static int dasync_pub_dec(int flen, const unsigned char *from,
>>>>>
>>>>> unsigned char *to, RSA *rsa, int padding) {
>>>>>
>>>>> printf("dasync_pub_dec\n");
>>>>>
>>>>>
>>>>>
>>>>> return 0;
>>>>>
>>>>> }
>>>>>
>>>>>
>>>>> static int dasync_rsa_priv_enc(int flen, const unsigned char *from,
>>>>> unsigned char *to, RSA *rsa, int padding){
>>>>>
>>>>> printf("dasync_rsa_priv_enc\n");
>>>>>
>>>>> return 0;
>>>>>
>>>>> }
>>>>>
>>>>>
>>>>> static int dasync_rsa_priv_dec(int flen, const unsigned char *from,
>>>>> unsigned char *to, RSA *rsa, int padding){
>>>>>
>>>>> printf("dasync_rsa_priv_dec\n");
>>>>>
>>>>> return 0;
>>>>>
>>>>> }
>>>>>
>>>>>
>>>>>
>>>>> static RSA_METHOD *dasync_rsa_method = NULL;
>>>>>
>>>>>
>>>>>
>>>>> static int bind_dasync(ENGINE *e){
>>>>>
>>>>> /* Setup RSA_METHOD */
>>>>>
>>>>> if ((dasync_rsa_method = RSA_meth_new("Dummy Async RSA method",
>>>>> 0)) == NULL
>>>>>
>>>>> || RSA_meth_set_pub_enc(dasync_rsa_method, dasync_pub_enc) == 0
>>>>>
>>>>> || RSA_meth_set_pub_dec(dasync_rsa_method, dasync_pub_dec) == 0
>>>>>
>>>>> || RSA_meth_set_priv_enc(dasync_rsa_method,
>>>>> dasync_rsa_priv_enc) == 0
>>>>>
>>>>> || RSA_meth_set_priv_dec(dasync_rsa_method,
>>>>> dasync_rsa_priv_dec) == 0
>>>>>
>>>>> ) {
>>>>>
>>>>>
>>>>> return 0;
>>>>>
>>>>> }
>>>>>
>>>>>
>>>>> /* Ensure the dasync error handling is set up */
>>>>>
>>>>>
>>>>>
>>>>> if (!ENGINE_set_id(e, engine_dasync_id)
>>>>>
>>>>> || !ENGINE_set_name(e, engine_dasync_name)
>>>>>
>>>>> || !ENGINE_set_RSA(e, dasync_rsa_method)
>>>>>
>>>>> ) {
>>>>>
>>>>> return 0;
>>>>>
>>>>> }
>>>>>
>>>>> return 1;
>>>>>
>>>>> }
>>>>>
>>>>>
>>>>> static int bind_helper(ENGINE *e, const char *id){
>>>>>
>>>>> if (!bind_dasync(e)){
>>>>>
>>>>> printf("2_Error: Inside Bind helper\n");
>>>>>
>>>>> return 0;
>>>>>
>>>>> }
>>>>>
>>>>> return 1;
>>>>>
>>>>> }
>>>>>
>>>>>
>>>>> IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
>>>>>
>>>>> IMPLEMENT_DYNAMIC_CHECK_FN()
>>>>>
>>>>>
>>>>> =============================================
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> Thanks,
>>>>>
>>>>> Shariful
>>>>>
>>>>>
>>>
>>> --
>>> SY, Dmitry Belyavsky
>>>
>>
>
> --
> SY, Dmitry Belyavsky
>
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