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Merge branch 'docs/secure_boot_v1_add_missing_byte_swap_info' into 'master'

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docs(secure_boot_v1): add missing digest byte swap information

Closes DOC-6441

See merge request espressif/esp-idf!26445
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Mahavir Jain
2023-10-13 12:25:27 +08:00
parent 9711e9a812 6cf9cc2c9b
commit d7632db058
1 changed files with 1 additions and 0 deletions
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docs/en/security/secure-boot-v1.rst
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@@ -235,6 +235,7 @@ Items marked with (^) are to fulfill hardware restrictions, as opposed to crypto
- Append to the overall ciphertext output. - Append to the overall ciphertext output.
5. Byte-swap each 4 byte word of the ciphertext (^) 5. Byte-swap each 4 byte word of the ciphertext (^)
6. Calculate SHA-512 of the ciphertext. 6. Calculate SHA-512 of the ciphertext.
7. Byte-swap each 4 byte word of the above calculated digest. (^)
Output digest is 192 bytes of data: The 128 byte IV, followed by the 64 byte SHA-512 digest. Output digest is 192 bytes of data: The 128 byte IV, followed by the 64 byte SHA-512 digest.