OpenSSL dynamic engine loading shows error

Thu Aug 26 16:20:35 UTC 2021

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
>
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