#SAP KEYGEN GENERATOR#
When executing the STM32MP Key Generator in standalone mode, you have to enter an absolute path and a password only. The private key is encrypted with the algorithm aes128ģ.2.3 Example 3: Key creation when one or both the destination folders are missing STM32AP_KeyGen_CLI -pubk /home/user/public.pem -prvk /home/user/Folder1/Folder2/private.pem -hash /home/user/pubKeyHash.bin -pwd azertyĮven if Folder1 and Folder2 does not exist they will be created. The private key is encrypted with the default algorithm aes256ģ.2.2 Example 2: Key creation using the AES128 algorithm STM32AP_KeyGen_CLI -abs /home/user/keyFolder/ -pwd azerty -pe aes128įiles (publicKey.pem & privateKey.pem & publicKeyhash.bin) will be created in /home/user/KeyFolder/ folder.
#SAP KEYGEN HOW TO#
This following section presents some examples of how to use the STM32AP Key Generator software.ģ.2.1 Example 1: Key creation using the AES256 algorithm STM32AP_KeyGen_CLI -abs /home/user/KeyFolder/ -pwd azertyįiles (publicKey.pem & privateKey.pem & publicKeyhash.bin) will be created in the folder /home/user/KeyFolder/
The password must contain 4 characters at least.ĭescription: Encrypting private key algorithm (AES128/AES256) The AES256 algorithm is the default algorithm.ĭescription: ECC algorithm for keys generation (prime256v1/brainpoolP256t1) The prime256v1 is the default algorithm. The available options are:ĭescription: Private key file path (.pem extension)ĭescription: Public key file path (.pem extension)ĭescription: Hash image file path (.bin extension)ĭescription: Absolute path for output files.ĭescription: Password of the private key. The generation process can be tailored by the requester. The following section describes how to use the STM32MP Key Generator from command line To run it, launch the STM32AP_KeyGen_CLI.exe executableģ STM32MP Key Generator command line interface
#SAP KEYGEN INSTALL#
To install the STM32MP Key Generator tool for windows, you need to install the STM32CubeProgrammer. To install the STM32MP Key Generator tool, you need to install the STM32CubeProgrammer.
#SAP KEYGEN SOFTWARE#
The STM32MP Key Generator software is tested on Ubuntu 14.04 and 16.04 32-bit and 64-bit and should work on any distribution. This section describes the requirements and procedure to use the STM32MP Key Generator software. Since only uncompressed format is supported, this byte is removed. The first byte of the public key is used to indicate whether the public key is in compressed or uncompressed format. The cipher selection is done using the -prvkey-enc option.Ĭontains the SHA-256 hash of the public key in binary format.The SHA-256 hash is calculated based on the public key without any encoding format. The encryption could be done using the AES128CBC or AES256CBC ciphers. The STM32MP Key Generator software generates three files:Ĭontains the generated ECC public key in PEM format.Ĭontains the encrypted ECC private key in PEM format.
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