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jsdecrypt

decrypt JSEncrypt

1.0.4
latest
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npmnpm
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JSDecrypt

Descifra en el lado del servidor las galletas rellenas que te vienen cifradas del lado del cliente con JSEncrypt.

Decrypt on the server side pink unicorns that come from the client side with JSEncrypt

versión Castellano

Generación par de llaves, privada y pública, RSA

openssl genrsa -out privada.key 4096
openssl rsa -pubout -in privada.key -out publica.key

En el lado del cliente y con el uso de JSEncrypt, siendo una implementación de cifrado asimétrico, se ha cifrado una cadena, con la pública, que llega al servidor, y se ha de descifrar con la privada.

npm install jsdecrypt

Copiamos el contenido de la llave privada, como contenido de la variable, "lallaveprivada"

cat privada.key

Y código

var jsdecrypt = require('jsdecrypt');


var lallaveprivada = '-----BEGIN RSA PRIVATE KEY-----\n\
MIICXAIBAAKBgQCenqBKWqSbqJ4mARAQENYs6lM+uiaoNknhv9bnpsmevuBVLnoV\n\
eAdt2ihE3d0nTpB7zOKo1bqTzo27I/G5DUSk3l2KOsEvABtBuZSdZ9TSE96DdP/Z\n\
JJVBOn/rjnBtGTfD/8AYMEsWKh45hTjI/AB3Ia5Kc5+rV3LiEOVdh4cOWwIDAQAB\n\
AoGANUrwaerocVAGypgC0JMHkpGsJGAgytVqn0l4J96W0RoqfxQdeocYX+UzMGgm\n\
fKVdz+p3oOgmRrDYV67s8RKvI/hX41P8HqDNWfIWd/ukpQnBS/omBbeb3Fd5lcML\n\
308lFNAxjUzN84Dkn5uGsvRuIpBX4TXCbVUQtt4hzegL6vkCQQDsg7aTL8/PMbX4\n\
YGHJRi+Kb9Vx+iZfMzT2jtpnOrA9s2ATE1QMOLOsXs4N31589TQWQvW2pB3/4IG+\n\
1+nGstA9AkEAq7ALq/IedORCRW/gBqDzOAhWGZm/3daLU1jvDrS0ZLEMKnPxThYf\n\
9KAaskeQYov9FV3BtE1Orp4VsWRnrNtqdwJBAMcB7NXcHRdR1LOxJZaeH9J0Vz0Y\n\
JsFj7OSpPswtba39CJIEaWv/Ke+XtfmmQXMTP0ib/vQ3E6cB2Sojsukl/GECQD4N\n\
j/pitT1cbtN3/wmGTMIYyT3RgzZj39GNGEJBb93g29vQMgweFQiugVekY/wqSpvZ\n\
WjSXqHOWcZK/DnW8jDsCQH2Xvlz0uU83M6dlaDDo4IxbqBNO1MW9FLWkIPUfy+Wy\n\
mhE8ZQK2DRTd2UeojcXovMSlGL+vzdWeYxorAf9tQcA=\n\
-----END RSA PRIVATE KEY-----';


var elchoricillo = 'bBAaWhOEtEboZc46K9IykrEtMC/idACvCMEuWM696K6exk8N3lrNuQInCbUFd9bBQdkLrmJZMbU9DovasOu6Q7slN3cPVbnl0RTpt7INTboMV6DFsMDi/c2byDgD+7CgrGhJ2MUrBH+WfnTOD6iZb3N3a5GkkQf7b6vpHiVm2es=';


console.log(jsdecrypt.dec(lallaveprivada, elchoricillo));

english version

Generating key pairs

openssl genrsa -out private.key 4096
openssl rsa -pubout -in private.key -out public.key

From the client side and using JSEncrypt, you send a string to the server side

npm install jsdecrypt

Copy the private key, in the "privkey" variable

cat private.key

And code

var jsdecrypt = require('jsdecrypt');


var privkey = '-----BEGIN RSA PRIVATE KEY-----\n\
MIICXAIBAAKBgQCenqBKWqSbqJ4mARAQENYs6lM+uiaoNknhv9bnpsmevuBVLnoV\n\
eAdt2ihE3d0nTpB7zOKo1bqTzo27I/G5DUSk3l2KOsEvABtBuZSdZ9TSE96DdP/Z\n\
JJVBOn/rjnBtGTfD/8AYMEsWKh45hTjI/AB3Ia5Kc5+rV3LiEOVdh4cOWwIDAQAB\n\
AoGANUrwaerocVAGypgC0JMHkpGsJGAgytVqn0l4J96W0RoqfxQdeocYX+UzMGgm\n\
fKVdz+p3oOgmRrDYV67s8RKvI/hX41P8HqDNWfIWd/ukpQnBS/omBbeb3Fd5lcML\n\
308lFNAxjUzN84Dkn5uGsvRuIpBX4TXCbVUQtt4hzegL6vkCQQDsg7aTL8/PMbX4\n\
YGHJRi+Kb9Vx+iZfMzT2jtpnOrA9s2ATE1QMOLOsXs4N31589TQWQvW2pB3/4IG+\n\
1+nGstA9AkEAq7ALq/IedORCRW/gBqDzOAhWGZm/3daLU1jvDrS0ZLEMKnPxThYf\n\
9KAaskeQYov9FV3BtE1Orp4VsWRnrNtqdwJBAMcB7NXcHRdR1LOxJZaeH9J0Vz0Y\n\
JsFj7OSpPswtba39CJIEaWv/Ke+XtfmmQXMTP0ib/vQ3E6cB2Sojsukl/GECQD4N\n\
j/pitT1cbtN3/wmGTMIYyT3RgzZj39GNGEJBb93g29vQMgweFQiugVekY/wqSpvZ\n\
WjSXqHOWcZK/DnW8jDsCQH2Xvlz0uU83M6dlaDDo4IxbqBNO1MW9FLWkIPUfy+Wy\n\
mhE8ZQK2DRTd2UeojcXovMSlGL+vzdWeYxorAf9tQcA=\n\
-----END RSA PRIVATE KEY-----';


var cryptham = 'bBAaWhOEtEboZc46K9IykrEtMC/idACvCMEuWM696K6exk8N3lrNuQInCbUFd9bBQdkLrmJZMbU9DovasOu6Q7slN3cPVbnl0RTpt7INTboMV6DFsMDi/c2byDgD+7CgrGhJ2MUrBH+WfnTOD6iZb3N3a5GkkQf7b6vpHiVm2es=';


console.log(jsdecrypt.dec(privkey, cryptham));

https://www.npmjs.com/package/jsdecrypt

https://github.com/gurumelo/jsdecrypt

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Package last updated on 21 Mar 2017

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U.S. Patent No. 12,346,443 & 12,314,394. Other pending.