Top "Sign" questions

A digital signature is a mathematical scheme for demonstrating the authenticity of a digital message or document.

Number.sign() in javascript

Wonder if there are any nontrivial ways of finding number's sign (signum function)? May be shorter / faster / more elegant solutions …

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Sign PDF with plain JavaScript

With WebCrypto API evolving and being supported by Chrome and Firefox, I would like to use it for digitally signing …

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Why does adb fail with Failure [INSTALL_PARSE_FAILED_NO_CERTIFICATES]?

As seen from the result of "jarsigner -verify" my apk is indeed signed, and I still get install "Failure". Any …

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How to sign pdf in Java using pdfbox

I am trying to sign pdf using pdfbox libraries. I have stuck now and realy need a help. This is …

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How to get sign of a number?

Is there a (simple) way to get the "sign" of a number (integer) in PHP comparable to gmp_signDocs: -1 …

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Is it recommended to Sign and Encrypt SAML AND use SSL?

Is it necessary to encrypt a SAML request if I am signing it with a my private key and sending …

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Euro sign in HTML

The euro (€) is the official currency in 22 European states. In HTML there are different possibilities to display the sign €: &…

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Bouncycastle PGP decrypt and verify

I'm trying to decrypt and verify a PGP message using the java BouncyCastle libraries, but am running into issues, complaining …

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SignAPK - PEM file AND PK8 file

What is PEM file & Pk8 file . Where can i find these for android apk. I need to use this …

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Digitally signing a PDF, using PHP, Zend, and openssl

I'm trying to build a simple PDF document signing routine, using PHP, openssl, and the Zend framework (for pdf redering/…

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