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EP2AGX260HH40I4N

Arria II Device Handbook

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Chapter 9: Configuration, Design Security, and Remote System Upgrades in Arria II Devices

Design Security

9–67

Table 9–26 lists the configuration modes allowed in each of the security modes.

Table 9–26. Allowed Configuration Modes for Various Security Modes (Note 1)

Security Mode

Configuration

File

Allowed Configuration Modes

No key

Unencrypted All configuration modes that do not engage the design security feature.

Secure with volatile key

Encrypted

■ PS with AES (and/or with decompression)

■ FPP with AES (and/or with decompression)

■ Remote update AS or fast AS with AES (and/or with decompression)

■ AS or fast AS (and/or with decompression)

Board-level testing with

volatile key

Unencrypted All configuration modes that do not engage the design security feature.

■ PS with AES (and/or with decompression)

Secure with non-volatile key Encrypted

■ FPP with AES (and/or with decompression)

■ Remote update AS or fast AS with AES (and/or with decompression)

■ AS or fast AS (and/or with decompression)

Board-level testing with

non-volatile key

Unencrypted All configuration modes that do not engage the design security feature.

Secure in tamper resistant

mode using volatile or

non-volatile key with tamper

protection set

Encrypted

■ PS with AES (and/or with decompression)

■ FPP with AES (and/or with decompression)

■ Remote update AS or fast AS with AES (and/or with decompression)

■ AS or fast AS (and/or with decompression)

Note to Table 9–26:

(1) There is no impact to the configuration time required when compared with unencrypted configuration modes except when using FPP with AES

(and/or decompression), which requires DCLK that is x4 the data rate.

1 The design security feature is available in all configuration methods except JTAG.

Therefore, you can use the design security feature in FPP mode (when using an

external controller, such as a MAX II device or a microprocessor and flash memory),

or in AS, fast AS, and PS configuration schemes.

July 2012 Altera Corporation

Arria II Device Handbook Volume 1: Device Interfaces and Integration

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