Encryption usage in Sametime

IBM® Sametime® uses several types of encryption to protect data.

Encryption usage

Table 1 lists the types of encryption for various types of data and the length of each type of encryption key.

Table 1. Encryption usage in Sametime
summary for complex table
Encryption Category	Mechanism / Algorithms / Standard (AES, TDES, SSL…)	Length of Encryption Key
Authentication & Password protection	(Session, SSL/TLS) AES (Session, SSL/TLS) RC4 (Session, SSL/TLS) RC2 (Session, SSL/TLS) DES (Session, SSL/TLS) Triple DES (Legacy Key Generation, when used) Diffie-Hellman (Legacy Encryption, when used) RC2 CBC	128-256 40-128 40-128 40-56 168 512-1024 40-128
Signature	MD5	128
Integrity check
Confidentiality (user data)
Stored/In-transit data	-In Transit: (Session, SSL/TLS) AES (Session, SSL/TLS) RC4 (Session, SSL/TLS) RC2 (Session, SSL/TLS) DES (Session, SSL/TLS) Triple DES (Legacy Encryption, when used) RC2 CBC -Stored:	-In Transit: 128-256 40-128 40-128 40-56 168 128 -Stored: