1config CRYPTO_DEV_CCP_DD 2 tristate "Secure Processor device driver" 3 depends on CPU_SUP_AMD || ARM64 4 default m 5 help 6 Provides AMD Secure Processor device driver. 7 If you choose 'M' here, this module will be called ccp. 8 9config CRYPTO_DEV_SP_CCP 10 bool "Cryptographic Coprocessor device" 11 default y 12 depends on CRYPTO_DEV_CCP_DD 13 select HW_RANDOM 14 select DMA_ENGINE 15 select DMADEVICES 16 select CRYPTO_SHA1 17 select CRYPTO_SHA256 18 help 19 Provides the support for AMD Cryptographic Coprocessor (CCP) device 20 which can be used to offload encryption operations such as SHA, AES 21 and more. 22 23config CRYPTO_DEV_CCP_CRYPTO 24 tristate "Encryption and hashing offload support" 25 default m 26 depends on CRYPTO_DEV_CCP_DD 27 depends on CRYPTO_DEV_SP_CCP 28 select CRYPTO_HASH 29 select CRYPTO_BLKCIPHER 30 select CRYPTO_AUTHENC 31 select CRYPTO_RSA 32 help 33 Support for using the cryptographic API with the AMD Cryptographic 34 Coprocessor. This module supports offload of SHA and AES algorithms. 35 If you choose 'M' here, this module will be called ccp_crypto. 36 37config CRYPTO_DEV_SP_PSP 38 bool "Platform Security Processor (PSP) device" 39 default y 40 depends on CRYPTO_DEV_CCP_DD && X86_64 41 help 42 Provide support for the AMD Platform Security Processor (PSP). 43 The PSP is a dedicated processor that provides support for key 44 management commands in Secure Encrypted Virtualization (SEV) mode, 45 along with software-based Trusted Execution Environment (TEE) to 46 enable third-party trusted applications. 47