Advanced Encryption Standard (AES) is a widely used specification for data encryption. Avaya SBC supports media encryption by using AES-256.
The AES standards describe a symmetric key algorithm. AES has a fixed block size of 128 bits and a key size of 128, 192, or 256 bits. Though AES-128 is adequately secure, highly security conscious users might adopt AES-192 or AES-256. To provision this feature, Avaya SBC supports the following crypto suites:
AES_256_CM_HMAC_SHA1_32
AES_256_CM_HMAC_SHA1_80
The following options are available in the Preferred Format#1, Preferred Format#2, and Preferred Format#3 fields on the Media Rule page:
