Intel IXP400 manual Dependencies, IxCryptoAcc Data Memory Usage Sheet 2

Intel® IXP400 Software

Access-Layer Components: Security (IxCryptoAcc) API

Table 11. IxCryptoAcc Data Memory Usage (Sheet 2 of 2)

Structure	Size in Bytes	Total Size in Bytes
Number of Crypto Context	1,000
(IX_CRYPTO_ACC_MAX_ACTIVE_SA_TUNNELS)
Total Memory Allocated for Crypto Contexts	152 * 1000=	152,000
Size of KeyCryptoParam Structures	256
Total memory allocated for KeyCryptoParam	104*256	26624
Structures
Total Memory Allocated by IxCryptoAcc	44480 + 152000 +26624=	~218Kbytes

7.3.6Dependencies

Figure 29 shows the component dependencies of the IxCryptoAcc component.

Figure 29. IxCryptoAcc Component Dependencies

Client

IxCryptoAcc

Queue Manager

(QMgr)

OS Abstraction Layer (OSAL)

IxFeatureCtrl

NPE A

(WAN/VOICE NPE) (WEPEngine)

A

A

NPE C

(Ethernet NPE B)

B Component A depends on Component B

B Optional Dependancy

B3835-01

Figure 29 can be summarized as follows:

•Client component will call IxCryptoAcc for cryptographic services. NPE will perform the encryption, decryption, and authentication process via IxQMgr.

April 2005	IXP400 Software Version 2.0	Programmer’s Guide
94	Document Number: 252539, Revision: 007