A number of features have been incorporated into Zynq-7000 devices which facilitate
secure booting. One of these features is the boot ROM, which has been designed to handle
various forms of security. Both asymmetric and symmetric authentication of the First-Stage Boot Loader (FSBL), U-Boot, PL bitstream and user software (OS and user applica-tions) is supported. In the case of asymmetric authentication, RSA-2048 primary and
secondary public keys are used, where as HMAC (SHA-256) is used for symmetric authen-tication. Further, encryption of the boot files mentioned above is supported with 256-bit
AES/CBC key which can be either volatile (battery backed up) or non-volatile (eFuses).
A number of features have been incorporated into Zynq-7000 devices which facilitate
secure booting. One of these features is the boot ROM, which has been designed to handle
various forms of security. Both asymmetric and symmetric authentication of the First-Stage Boot Loader (FSBL), U-Boot, PL bitstream and user software (OS and user applica-tions) is supported. In the case of asymmetric authentication, RSA-2048 primary and
secondary public keys are used, where as HMAC (SHA-256) is used for symmetric authen-tication. Further, encryption of the boot files mentioned above is supported with 256-bit
AES/CBC key which can be either volatile (battery backed up) or non-volatile (eFuses).
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