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