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OpenSSL "ca -gencrl" - Generate CRL
How to generate a CRL using the OpenSSL "ca" command? I need to publish the CRL to inform users about certificates I have revoked. If you want to generate a CRL (Certificate Revocation List), you can use the OpenSSL "ca -gencrl" command as shown below: C:\Users\fyicenter&gt;\loc al\OpenSSL-Win32\...
2016-09-10, 12953👍, 0💬

"makecert.exe -r" - Create Self-Signed Root Certificate
How to create a self-signed root certificate using "makecert.exe"? I want to issue and sign certificate for others. If you want to create a self-signed root certificate, you can use the "makecert.exe -r" option as shown in this tutorial. C:\fyicenter&gt; "\Program Files\Microsoft Visual Studio 8...
2012-08-13, 12930👍, 0💬

What Is Microsoft CertUtil
What Is Microsoft CertUtil? Microsoft CertUtil is a command-line program that is installed as part of Certificate Services on Windows systems. You can use Certutil.exe to dump and display certification authority (CA) configuration information, configure Certificate Services, back up and restore CA c...
2022-08-07, 12890👍, 2💬

💬 2022-08-07 FYIcenter.com: @Paul, you can run the "CertUtil -dump -?" command to see the parameters.

💬 2022-08-01 Paul: What are the parameters for the -setreg option?

Certificate File Formats Supported on Android
What formats of certificate files are supported on Android device? Android allows you install additional certificates from files you received someone else or you generated from some tools. But those certificate files must be in one of the following formats: 1. Android supports DER-encoded X.509 cert...
2016-02-14, 12848👍, 0💬

Microsoft "certutil" - Certificate Management Tool
Do you want to learn how to manage certificates on Windows with Microsoft "certutil" tool? Here is a collection of easy-to-follow tutorials for you: How to validate certificates? How to export certificates? How to Delete certificates? How to import certificates? How to create new certificate stores?...
2017-12-15, 12842👍, 1💬

OpenSSL "req" - "prompt=no" Mode
How to use the "prompt=no" mode of the OpenSSL "req -new" command? I want to specify DN field values directly in the configuration file. You can use "prompt=no" mode of the OpenSSL "req -new" command as shown below, if you set "prompt=no" and provide DN (Distinguished Name) field values in the confi...
2016-11-02, 12842👍, 0💬

Starfield Secure Certificate Authority - G2, http://certs.sta...
Certificate summary - Owner: Starfield Secure Certificate Authority - G2, http://certs.starfieldtech.com /repository/,"Starfield Technologies, Inc.", L=Scottsdale, ST=Arizona, US Issuer: Starfield Root Certificate Authority - G2, "Starfield Technologies, Inc.", L=Scottsdale, ST=Arizona, US Expiratio...
2015-01-12, 12699👍, 0💬

Mozilla "certutil" - MSVCR71.dll Is Missing Error
Why am I getting the "MSVCR71.dll is missing" error when running the "certutil" command on my Windows system? When running the Mozilla "certutil" tool on a Windows, you may get this error message: The program can't start because MSVCR71.dll is missing from your computer. Try reinstalling the program...
2012-12-09, 12624👍, 0💬

OpenSSL "ans1parse -strparse" - Extract ASN.1 Sub Structure
How to how extra an ASN.1 child structure using the OpenSSL "ans1parse" command? You can use the OpenSSL "ans1parse -strparse offset" command to extract an ASN.1 child structure from a nested ASN.1 structure. as shown in the test below: C:\Users\fyicenter&gt;\loc al\openssl\openssl.exeOpenSSL&am...
2016-09-30, 12622👍, 0💬

Entrust.net Certification Authority (2048) Certificate - 2A70953A9FF693C5F38AC5A863BB3D942CE6CA07
Certificate Summary: Subject: Entrust.net Certification Authority (2048) Issuer: Entrust.net Certification Authority (2048) Expiration: 2029-07-24 14:15:12 UTC Key Identifier: 2A:70:95:3A:9F:F6:93:C5:F3:8A: C5:A8:63:BB:3D:94:2C:E6:CA:07Received at FYIcenter.com on: 2016-11-02 Entrust.net Certificati...
2012-07-22, 12588👍, 0💬

GlobalSign GCC R3 DV TLS CA 2020 Certificate - 0D98C0737FABBDBDD9474B49AD0A4A0CAC3EC77C
Certificate Summary: Subject: GlobalSign GCC R3 DV TLS CA 2020 Issuer: GlobalSign Expiration: 2029-03-18 00:00:00 UTC Key Identifier: 0D:98:C0:73:7F:AB:BD:BD:D9:47: 4B:49:AD:0A:4A:0C:AC:3E:C7:7CReceived at FYIcenter.com on: 2020-09-24
2020-10-10, 12562👍, 0💬

KEYNECTIS ROOT CA Certificate - EFB72397D0A8917FA6CFA621C0349FCC7741E1D0
Certificate Summary: Subject: KEYNECTIS ROOT CA Issuer: KEYNECTIS ROOT CA Expiration: 2020-05-26 00:00:00 UTC Key Identifier: EF:B7:23:97:D0:A8:91:7F:A6:CF: A6:21:C0:34:9F:CC:77:41:E1:D0Received at FYIcenter.com on: 2016-11-12 KEYNECTIS ROOT CA Certificate - EFB72397D0A8917FA6CFA621C0349F CC7741E1D0...
2012-07-22, 12537👍, 0💬

Java "keytool -gencert" Command Options
What options are supported by the "keytool -gencert" command? Java Keytool can be used to sign a CSR (Certificate Signing Request) file using the "keytool -gencert" command, which supports the following options: C:Usersfyicenter&gt; keytool -gencert -help keytool -gencert [OPTION]... Generates c...
2012-07-21, 12487👍, 0💬

OpenSSL "rsautl" - Encrypt Large File with RSA Key
How to encrypt a large file with an RSA public key using OpenSSL "rsautl" command? If you are trying to use an RSA public key to encrypt a file larger than the key size directly, you will get the "data too large for key size" error. One option to resolve the problem is to use the RSA-AES hybrid encr...
2017-06-07, 12485👍, 0💬

OpenSSL "x509 -req" - Error "my_ca.srl: No error"
Why I am getting the "my_ca.srl: No error" error when trying to sign a CSR with OpenSSL "x509" command? You are getting the "my_ca.srl: No error" error when using OpenSSL "x509" command to sign a CSR, because OpenSSL is not able to access the default serial number file: my_ca.srl. When using "x509" ...
2018-02-08, 12472👍, 0💬

OpenSSL "req -new -reqexts" - Specify CSR V3 Extensions
How to specify x.509 v3 extensions options in the configuration file for generating CSR using the OpenSSL "req" command? You can use x.509 v3 extensions options when using OpenSSL "req -new" command to generate a CSR (Certificate Signing Request). The provided x509 extensions will be included in the...
2016-10-25, 12459👍, 0💬

Starfield Root Certificate Authority - G2 Certificate - 7C0C321FA7D9307FC47D68A362A8A1CEAB075B27
Certificate Summary: Subject: Starfield Root Certificate Authority - G2 Issuer: Starfield Root Certificate Authority - G2 Expiration: 2037-12-31 23:59:59 UTC Key Identifier: 7C:0C:32:1F:A7:D9:30:7F:C4:7D: 68:A3:62:A8:A1:CE:AB:07:5B:27Received at FYIcenter.com on: 2016-10-25 Starfield Root Certificat...
2015-01-12, 12456👍, 0💬

OpenSSL "ans1parse" - ASN.1 BIT STRING Field Type
What is ASN.1 BIT STRING field type? How to specify BIT STRING field type in OpenSSL "asn1parse" command? ASN.1 BIT STRING field is a primitive field that can be used to store bit strings of any size. To use ASN.1 BIT STRING field in OpenSSL "asn1parse" command, you need to remember the following ru...
2016-09-30, 12435👍, 0💬

Java "keytool -exportcert" Command Options
What options are supported by the "keytool -exportcert" command? Java Keytool can be used to export a single certificate out of a key store file with the "keytool -exportcert" command which supports the following options: C:\Users\fyicenter&gt; keytool -exportcert -help keytool -exportcert [OPTI...
2012-07-19, 12424👍, 0💬

Entrust Certification Authority - L1M Certificate - C3F7D0B52A30ADAF0D9121703954DDBC8970C73A
Certificate Summary: Subject: Entrust Certification Authority - L1M Issuer: Entrust Root Certification Authority - G2 Expiration: 2030-10-15 15:55:03 UTC Key Identifier: C3:F7:D0:B5:2A:30:AD:AF:0D:91: 21:70:39:54:DD:BC:89:70:C7:3AReceived at FYIcenter.com on: 2016-10-27 Entrust Certification Authori...
2016-06-24, 12401👍, 0💬

"keytool -certreq" Command Examples - Certificate Signing Request
How to use the "keytool -certreq" command? I have have created a new pair of public key and private key and want to send the public key to the certificate authority to sign it. Here is an example of using "keytool -certreq" command to generate a Certificate Signing Request (CSR) for the public key s...
2012-07-20, 12376👍, 0💬

JCE Unlimited Strength Jurisdiction Policy Files
How to install "JCE (Java Cryptography Extension) Unlimited Strength Jurisdiction Policy Files"? I want to run Java applications with strong encryption keys. If you are getting the "java.security.InvalidKeyExcep tion:Illegal key size" error with your Java application, you need to download and instal...
2023-07-05, 12328👍, 1💬

💬 2023-07-05 Gg: Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIB...

OpenSSL "ca" Error "... directory for new certificate ..."
Why I am getting the "there needs to be defined a directory for new certificate to be placed in" error when running OpenSSL "ca" command? You are getting the "there needs to be defined a directory for new certificate to be placed in" error, because OpenSSL "ca" command can not find the required "new...
2016-09-09, 12254👍, 0💬

Security Communication RootCA1 Certificate - A073499968DC855B65E39B282F579FBD33BC0748
Certificate Summary: Subject: Security Communication RootCA1 Issuer: Security Communication RootCA1 Expiration: 2023-09-30 04:20:49 UTC Key Identifier: A0:73:49:99:68:DC:85:5B:65:E3: 9B:28:2F:57:9F:BD:33:BC:07:48Received at FYIcenter.com on: 2016-11-15 Security Communication RootCA1 Certificate - A0...
2023-10-04, 12248👍, 2💬

💬 2023-10-04 FYIcenter.com: @Priyanka, SECOM Trust Systems has another CA Root Certificate that expires on 2029-05-29. See Security Communication RootCA2 Ce...

💬 2023-09-27 Priyanka: Where is the renewed certificate of security communication Root CA?

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