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drivers
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crypto
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ccp
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Kconfig

Kconfig 1.4 KB
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  1. config CRYPTO_DEV_CCP_DD
    2. 

  2. 	tristate "Secure Processor device driver"
    3. 

  3. 	depends on CPU_SUP_AMD || ARM64
    4. 

  4. 	default m
    5. 

  5. 	help
    6. 

  6. 	  Provides AMD Secure Processor device driver.
    7. 

  7. 	  If you choose 'M' here, this module will be called ccp.
    8. 

  8. 

  9. config CRYPTO_DEV_SP_CCP
    10. 

  10. 	bool "Cryptographic Coprocessor device"
    11. 

  11. 	default y
    12. 

  12. 	depends on CRYPTO_DEV_CCP_DD && DMADEVICES
    13. 

  13. 	select HW_RANDOM
    14. 

  14. 	select DMA_ENGINE
    15. 

  15. 	select CRYPTO_SHA1
    16. 

  16. 	select CRYPTO_SHA256
    17. 

  17. 	help
    18. 

  18. 	  Provides the support for AMD Cryptographic Coprocessor (CCP) device
    19. 

  19. 	  which can be used to offload encryption operations such as SHA, AES
    20. 

  20. 	  and more.
    21. 

  21. 

  22. config CRYPTO_DEV_CCP_CRYPTO
    23. 

  23. 	tristate "Encryption and hashing offload support"
    24. 

  24. 	default m
    25. 

  25. 	depends on CRYPTO_DEV_CCP_DD
    26. 

  26. 	depends on CRYPTO_DEV_SP_CCP
    27. 

  27. 	select CRYPTO_HASH
    28. 

  28. 	select CRYPTO_BLKCIPHER
    29. 

  29. 	select CRYPTO_AUTHENC
    30. 

  30. 	select CRYPTO_RSA
    31. 

  31. 	help
    32. 

  32. 	  Support for using the cryptographic API with the AMD Cryptographic
    33. 

  33. 	  Coprocessor. This module supports offload of SHA and AES algorithms.
    34. 

  34. 	  If you choose 'M' here, this module will be called ccp_crypto.
    35. 

  35. 

  36. config CRYPTO_DEV_SP_PSP
    37. 

  37. 	bool "Platform Security Processor (PSP) device"
    38. 

  38. 	default y
    39. 

  39. 	depends on CRYPTO_DEV_CCP_DD && X86_64
    40. 

  40. 	help
    41. 

  41. 	 Provide support for the AMD Platform Security Processor (PSP).
    42. 

  42. 	 The PSP is a dedicated processor that provides support for key
    43. 

  43. 	 management commands in Secure Encrypted Virtualization (SEV) mode,
    44. 

  44. 	 along with software-based Trusted Execution Environment (TEE) to
    45. 

  45. 	 enable third-party trusted applications.
    46.