Aspects

vs

Exponent

Exponentiation is a mathematical operation, written as b raised to the power of n, involving two numbers, the base b and the exponent (or power) n.

Modulo

The modulo (sometimes called modulus) operation finds the remainder of division of one number by another

Number lower bit

Example

"In rsa signing a message m means exponentiation with the private exponent d the result r is the smallest integer 0 and smaller than the modulo n so that"

from question

RSA signature size?

"1024 bit private exponent large number lower than the modulo"

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Checking RSA key pairs error

"I assumed the biased exponent of the modulo is lower than the one of the number to be operated on as in the other case the mask is all ones and the number is not affected by the mask"

from question

Are there any numbers that enable fast modulo calculation on floats?

Rsa shorter public

Example

"I must also add that designing the rsa key so that the private exponent is substantially shorter than the modulo to speed up operations is a security risk if the exponent is smaller than 29 of the modulo length then the key can be cracked"

from question

A factor that impacts RSA encryption/decryption time

"The private exponent is always smaller than the modulo so you should be able to encrypt it using the raw rsa operation if you make sure to remove the prepended zero"

from question

How to encrypt a RSAKey using another RSAKey?

"Edit as gregs points out in the comments you cannot be sure that the private exponent of the key you want to encrypt is smaller than the modulo of the key you want to use to encrypt with"

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How to encrypt a RSAKey using another RSAKey?

"When i generate rsa key pairs by openssl it seems like private key private exponent is always less than public key modulo"

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Is RSA private key less than public?

"The private exponent must not be longer than the modulo"

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Microsoft RSA CSP key size

"So no choice of the public exponent for this modulo is better than 19 using the public exponent to decrypt will work for at least half of the messages when eâ² 9 16 and in many cases for almost all the messages when eâ² 1 16"

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RSA public exponent is also decrypting message

"The rsa private exponent may actually be shorter than the modulo"

from question

Does RSA2048 key modulus have to be exactly 2048 bits long?

Java.security.invalidkeyexception files der

Example

"I can t create a a new .jks file using instructions here create new jks it gives me error java.security.invalidkeyexception exponent is larget than modulo make sure the ca files are in der format"

from question

WebLogicServer doesn't create DemoIdentity.jks

"Generating a certificate with common name test01.local.lan and key strength 2048 issued by ca with certificate from c weblogicser wlserver server lib certgenca.der file and key from c weblogicser wlserver server lib certgencakey.der file failed to generate the certificate java.security.invalidkeyexception exponent is larger than modulo make sure the ca files are in der format"

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* (no title is found for this review)

Others

Example

Little wonder you get errors the exponent is normally shorter than the modulo which is always the same size as the key size

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