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OpenSSL "ans1parse" - ASN.1 INTEGER Field Type
How to how extra an ASN.1 child structure using the OpenSSL "ans1parse" command? ASN.1 INTEGER field is a primitive field that can be used to store signed integers of any size. To use ASN.1 INTEGER field in OpenSSL "asn1parse" command, you need to remember the following rules: ASN.1 INTEGER type tag...
2016-09-30, 4168👍, 0💬

OpenSSL "ans1parse" - ASN.1 IA5STRING Field Type
How to how extra an ASN.1 child structure using the OpenSSL "ans1parse" command? ASN.1 IA5STRING field is a primitive field that can be used to store IA5 (ISO 646) character strings. IA5 character set is generally equivalent to ASCII character set. To use ASN.1 IA5STRING field in OpenSSL "asn1parse"...
2016-09-30, 4169👍, 0💬

OpenSSL "ans1parse" - ASN.1 OBJECT IDENTIFIER Field Type
What is ASN.1 OBJECT IDENTIFIER field type? How to specify OBJECT IDENTIFIER field type in OpenSSL "asn1parse" command? ASN.1 OBJECT IDENTIFIER field is a primitive field that can be used to store an Object Identifier (OID) defined in the ASN.1 standard. An OID has 3 equivalent values: short name, l...
2016-09-30, 4123👍, 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, 4116👍, 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>\local\o penssl\openssl.exeOpenSSL> as...
2016-09-30, 4116👍, 0💬

gateway.krungsriauto.com Certificate - 995F07EEA3FAAE3B950EE20F06572F44198ABF61
Certificate Summary: Subject: gateway.krungsriauto.com Issuer: Symantec Class 3 EV SSL CA - G3 Expiration: 2017-09-08 23:59:59 UTC Key Identifier: 99:5F:07:EE:A3:FA:AE:3B:95:0E: E2:0F:06:57:2F:44:19:8A:BF:61Received at FYIcenter.com on: 2016-09-29
2016-09-30, 105👍, 0💬

RSA 4096-Bit Public Key - 995F07EEA3FAAE3B950EE20F06572F44198ABF61
Key Summary: Type: RSA 4096-Bit Public Key Identifier: 99:5F:07:EE:A3:FA:AE:3B:95:0E: E2:0F:06:57:2F:44:19:8A:BF:61Name: gateway.krungsriauto.com Received at FYIcenter.com on: 2016-09-29
2016-09-30, 100👍, 0💬

OpenSSL "ans1parse" - Wrap of Primitive Field
Can I wrap a primitive field into a BIT STRING or OCTET STRING field with the OpenSSL "asn1parse" command? Yes, you can wrap any ASN.1 primitive field into a BIT STRING or OCTET STRING field using the BITWRAP or OCTWRAP modifiers using the OpenSSL "asn1parse" command. The test below gives some demon...
2016-09-28, 4122👍, 0💬

OpenSSL "ans1parse" - ASN.1 OCTET STRING Field Type
What is ASN.1 OCTET STRING field type? How to specify OCTET STRING field type in OpenSSL "asn1parse" command? ASN.1 OCTET STRING field is a primitive field that can be used to store byte strings of any size. To use ASN.1 OCTET STRING field in OpenSSL "asn1parse" command, you need to remember the fol...
2016-09-28, 4119👍, 0💬

OpenSSL "ans1parse" - BITWRAP and OCTWRAP Modifiers
What are BITWRAP and OCTWRAP modifiers in the configuration file for the OpenSSL "asn1parse" command? BITWRAP and OCTWRAP modifiers in OpenSSL configuration files are used to automatically wrap a SEQUENCE structure into a BIT STRING or OCTET STRING field. The test below is a demonstration of using B...
2016-09-28, 4116👍, 0💬

OpenSSL "ans1parse" - DER (Distinguished Encoding Rules)
What is the DER (Distinguished Encoding Rules) encoding used in the OpenSSL "asn1parse" command? DER (Distinguished Encoding Rules) is an encoding schema to convert an ASN.1 data structure into a binary string. In other words, DER is a serialization schema for the ASN.1 data structure. DER is one th...
2016-09-28, 4116👍, 0💬

OpenSSL "ans1parse" - Wrap of SEQUENCE Structure
What is the wrap of an ASN.1 SEQUENCE structure? The wrap of an ASN.1 SEQUENCE structure is the binary string of ASN.1 SEQUENCE structure in DER format stored in an BIT STRING or OCTET STRING field in another ASN.1 SEQUENCE structure. The main purpose of using the SEQUENCE wrap is to make the SEQUEN...
2016-09-28, 4115👍, 0💬

How to Find the Java Keytool on Windows
How to find the Java Keytool on my Windows system? I think I have Java installed. Keytool is nice free certificate tool provided by Oracle as part of the Java software. If you have Java installed on your Windows computer, you can find it using these suggestions: 1. Try to find the folder "C:\Program...
2016-09-28, 70091👍, 4💬

💬 2016-09-28 Tange Tata: nice

💬 2015-11-17 rashmi: It's very helpful

💬 2014-12-19 FYIcenter.com: @john, thanks for the comment. Are you able to locate the keytool.exe file after reading this tutorials?

(More comments ...)

OpenSSL "ans1parse" - RSA Public Key in ASN.1 Structure
How to view the ASN.1 structure of an RSA public key using the OpenSSL "asn1parse" command? You can use the OpenSSL "asn1parse" command to view the ASN.1 structure of an RSA public key as shown in the test below: C:\Users\fyicenter>\local\o penssl\opensslpkey -in rsa_pri.key -pubout -out rsa_pub....
2016-09-27, 4116👍, 0💬

OpenSSL "ans1parse" - DSA Private Key in ASN.1 Structure
How to view the ASN.1 structure of an DSA private key using the OpenSSL "asn1parse" command? You can use the OpenSSL "asn1parse" command to view the ASN.1 structure of an DSA private key as shown in the test below: C:\Users\fyicenter>\local\o penssl\opensslgenpkey -genparam -algorithm dsa -out ds...
2016-09-27, 4115👍, 0💬

OpenSSL "ans1parse" - Configuration File for RSA Public Key
Can I build an RSA public key from an OpenSSL configuration file? Yes, you can build an RSA public key from an OpenSSL configuration file, if you know the components of the key, as shown in the test below: C:\Users\fyicenter>type asn1_rsa_pub_key.cnf asn1 = SEQUENCE:rsa_pub_key [rsa_pub_key] algo...
2016-09-27, 4115👍, 0💬

OpenSSL "ans1parse" - Configuration File for RSA Private Key
Can I build an RSA private key from an OpenSSL configuration file? Yes, you can build an RSA private key from an OpenSSL configuration file, if you know the components of the key, as shown in the test below: C:\Users\fyicenter>type asn1_rsa_pri_key.cnf asn1 = SEQUENCE:rsa_pri_key [rsa_pri_key] ve...
2016-09-27, 4114👍, 0💬

OpenSSL "ans1parse" - RSA Private Key in ASN.1 Structure
How to view the ASN.1 structure of an RSA private key using the OpenSSL "asn1parse" command? You can use the OpenSSL "asn1parse" command to view the ASN.1 structure of an RSA private key as shown in the test below: C:\Users\fyicenter>\local\o penssl\opensslgenrsa -out rsa_pri.key 512 Generating R...
2016-09-27, 4114👍, 0💬

DigiCert Global Root CA Certificate - 03DE503556D14CBB66F0A3E21B1BC397B23DD155
Certificate Summary: Subject: DigiCert Global Root CA Issuer: DigiCert Global Root CA Expiration: 2031-11-10 00:00:00 UTC Key Identifier: 03:DE:50:35:56:D1:4C:BB:66:F0: A3:E2:1B:1B:C3:97:B2:3D:D1:55Received at FYIcenter.com on: 2016-09-26
2016-09-27, 105👍, 0💬

RSA 2048-Bit Public Key - 03DE503556D14CBB66F0A3E21B1BC397B23DD155
Key Summary: Type: RSA 2048-Bit Public Key Identifier: 03:DE:50:35:56:D1:4C:BB:66:F0: A3:E2:1B:1B:C3:97:B2:3D:D1:55Name: DigiCert Global Root CA Received at FYIcenter.com on: 2016-09-26
2016-09-27, 103👍, 0💬

RSA 2048-Bit Private Key - 7f395546d3e7bb0f78ae30eb48b093c9
Detailed information of 'My RSA Private Key': RSA 2048-Bit Private Key - 7f395546d3e7bb0f78ae30eb48b093 c9.
2016-09-27, 103👍, 0💬

OpenSSL "ans1parse" - Configuration File for DH Private Key
Can I build a DH private key from an OpenSSL configuration file? Yes, you can build a DH private key from an OpenSSL configuration file, if you know the components of the key, as shown in the test below: C:\Users\fyicenter>type asn1_dh_pri_key.cnf asn1 = SEQUENCE:dh_pri_key [dh_pri_key] version =...
2016-09-26, 4121👍, 0💬

OpenSSL "ans1parse" - Configuration File for DH Public Key
Can I build a DH public key from an OpenSSL configuration file? Yes, you can build a DH public key from an OpenSSL configuration file, if you know the components of the key, as shown in the test below: C:\Users\fyicenter>type asn1_dh_pub_key.cnf asn1 = SEQUENCE:dh_pri_key [dh_pri_key] algorithm =...
2016-09-26, 4119👍, 0💬

OpenSSL "ans1parse" - Configuration File for DSA Public Key
Can I build a DSA public key from an OpenSSL configuration file? Yes, you can build a DSA public key from an OpenSSL configuration file, if you know the components of the key, as shown in the test below: C:\Users\fyicenter>type asn1_dsa_pub_key.cnf asn1 = SEQUENCE:dsa_pub_key [dsa_pub_key] algori...
2016-09-26, 4119👍, 0💬

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