# SPDX-License-Identifier: GPL-2.0
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menuconfig ASYMMETRIC_KEY_TYPE
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bool "Asymmetric (public-key cryptographic) key type"
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depends on KEYS
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help
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This option provides support for a key type that holds the data for
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the asymmetric keys used for public key cryptographic operations such
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as encryption, decryption, signature generation and signature
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verification.
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if ASYMMETRIC_KEY_TYPE
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config ASYMMETRIC_PUBLIC_KEY_SUBTYPE
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tristate "Asymmetric public-key crypto algorithm subtype"
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select MPILIB
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select CRYPTO_HASH_INFO
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select CRYPTO_AKCIPHER
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select CRYPTO_HASH
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help
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This option provides support for asymmetric public key type handling.
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If signature generation and/or verification are to be used,
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appropriate hash algorithms (such as SHA-1) must be available.
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ENOPKG will be reported if the requisite algorithm is unavailable.
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config ASYMMETRIC_TPM_KEY_SUBTYPE
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tristate "Asymmetric TPM backed private key subtype"
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depends on TCG_TPM
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depends on TRUSTED_KEYS
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select CRYPTO_HMAC
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select CRYPTO_SHA1
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select CRYPTO_HASH_INFO
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help
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This option provides support for TPM backed private key type handling.
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Operations such as sign, verify, encrypt, decrypt are performed by
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the TPM after the private key is loaded.
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config X509_CERTIFICATE_PARSER
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tristate "X.509 certificate parser"
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depends on ASYMMETRIC_PUBLIC_KEY_SUBTYPE
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select ASN1
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select OID_REGISTRY
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help
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This option provides support for parsing X.509 format blobs for key
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data and provides the ability to instantiate a crypto key from a
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public key packet found inside the certificate.
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config PKCS8_PRIVATE_KEY_PARSER
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tristate "PKCS#8 private key parser"
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depends on ASYMMETRIC_PUBLIC_KEY_SUBTYPE
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select ASN1
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select OID_REGISTRY
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help
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This option provides support for parsing PKCS#8 format blobs for
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private key data and provides the ability to instantiate a crypto key
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from that data.
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config TPM_KEY_PARSER
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tristate "TPM private key parser"
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depends on ASYMMETRIC_TPM_KEY_SUBTYPE
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select ASN1
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help
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This option provides support for parsing TPM format blobs for
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private key data and provides the ability to instantiate a crypto key
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from that data.
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config PKCS7_MESSAGE_PARSER
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tristate "PKCS#7 message parser"
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depends on X509_CERTIFICATE_PARSER
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select CRYPTO_HASH
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select ASN1
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select OID_REGISTRY
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help
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This option provides support for parsing PKCS#7 format messages for
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signature data and provides the ability to verify the signature.
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config PKCS7_TEST_KEY
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tristate "PKCS#7 testing key type"
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depends on SYSTEM_DATA_VERIFICATION
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help
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This option provides a type of key that can be loaded up from a
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PKCS#7 message - provided the message is signed by a trusted key. If
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it is, the PKCS#7 wrapper is discarded and reading the key returns
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just the payload. If it isn't, adding the key will fail with an
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error.
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This is intended for testing the PKCS#7 parser.
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config SIGNED_PE_FILE_VERIFICATION
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bool "Support for PE file signature verification"
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depends on PKCS7_MESSAGE_PARSER=y
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depends on SYSTEM_DATA_VERIFICATION
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select CRYPTO_HASH
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select ASN1
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select OID_REGISTRY
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help
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This option provides support for verifying the signature(s) on a
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signed PE binary.
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endif # ASYMMETRIC_KEY_TYPE
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