Top "Aes-gcm" questions

Galois/Counter mode of the Advanced Encryption Standard: A mode of operation of the AES block cipher which both encrypts and authenticates its input data.

OpenSSL C example of AES-GCM using EVP interfaces

For AES-GCM encryption/decryption, I tried this, but it has a problem. ctx = EVP_CIPHER_CTX_new(); //Get the cipher. …

c openssl aes aes-gcm
Java AES/GCM/NoPadding - What is cipher.getIV() giving me?

I'm using AES/GCM/NoPadding encryption in Java 8 and I'm wondering whether my code has a security flaw. My code …

java security encryption cryptography aes-gcm
AES-GCM with BouncyCastle throws "mac check in GCM failed" when used with IV

I'm relatively new to developing something with encryption. Right now I'm trying to write a class which encrypts and decrypts …

java encryption bouncycastle initialization-vector aes-gcm
AES-GCM: AEADBadTagException: mac check in GCM failed

While trying to implement AES-GCM for the first time, we are facing issue in generating AuthenticationTag, Encrypted cipher & GCM …

java aes-gcm
Slow AES GCM encryption and decryption with Java 8u20

I am trying to encrypt and decrypt data using AES/GCM/NoPadding. I installed the JCE Unlimited Strength Policy Files …

cryptography benchmarking java-8 aes-gcm
AES GCM implementation in c#

I am implementing an AES cipher in GCM mode in c#. My question pertains to the "additional authenticated data"(AAD). …

c# aes aes-gcm
Why is random IV fine for AES-CBC but not for AES-GCM

I have been using AES-CBC for encryption and I use a random IV each time I encrypt plain text. As …

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AES GCM implementation with authentication Tag in Java

I'm using AES GCM authentication in my android project and it works fine. But getting some issues with authentication tag …

java android ios encryption aes-gcm
Cannot find any provider supporting AES/GCM/NoPadding

We are trying to do encryption supporting AES/GCM/NoPadding in java 7 getting below exception. Cannot find any provider supporting …

java encryption aes-gcm
AES cipher in GCM, CCM, or CBC-MAC mode?

I've been looking around for an article describing these modes in layman's terms but have not yet found anything helpful. …

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