package pkcs11

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Bindings to the PKCS#11 cryptographic API

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Sources

pkcs11-0.13.0.tbz
sha256=310783c453276d8715a2af130ebd68684e7e324f6015c84c96bd87310595289b
md5=0b76e1688d037f270886cdd7c9980a86

doc/src/pkcs11/p11_attribute_type.ml.html

Source file p11_attribute_type.ml

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type not_implemented = NOT_IMPLEMENTED of string

type 'a t =
  | CKA_CLASS : P11_object_class.t t
  | CKA_TOKEN : bool t
  | CKA_PRIVATE : bool t
  | CKA_LABEL : string t
  | CKA_VALUE : string t
  | CKA_TRUSTED : bool t
  | CKA_CHECK_VALUE : not_implemented t
  | CKA_KEY_TYPE : P11_key_type.t t
  | CKA_SUBJECT : string t
  | CKA_ID : string t
  | CKA_SENSITIVE : bool t
  | CKA_ENCRYPT : bool t
  | CKA_DECRYPT : bool t
  | CKA_WRAP : bool t
  | CKA_UNWRAP : bool t
  | CKA_SIGN : bool t
  | CKA_SIGN_RECOVER : bool t
  | CKA_VERIFY : bool t
  | CKA_VERIFY_RECOVER : bool t
  | CKA_DERIVE : bool t
  | CKA_START_DATE : not_implemented t
  | CKA_END_DATE : not_implemented t
  | CKA_MODULUS : P11_bigint.t t
  | CKA_MODULUS_BITS : P11_ulong.t t
  | CKA_PUBLIC_EXPONENT : P11_bigint.t t
  | CKA_PRIVATE_EXPONENT : P11_bigint.t t
  | CKA_PRIME_1 : P11_bigint.t t
  | CKA_PRIME_2 : P11_bigint.t t
  | CKA_EXPONENT_1 : P11_bigint.t t
  | CKA_EXPONENT_2 : P11_bigint.t t
  | CKA_COEFFICIENT : P11_bigint.t t
  | CKA_PRIME : P11_bigint.t t
  | CKA_SUBPRIME : P11_bigint.t t
  | CKA_BASE : P11_bigint.t t
  | CKA_PRIME_BITS : P11_ulong.t t
  | CKA_SUBPRIME_BITS : P11_ulong.t t
  | CKA_VALUE_LEN : P11_ulong.t t
  | CKA_EXTRACTABLE : bool t
  | CKA_LOCAL : bool t
  | CKA_NEVER_EXTRACTABLE : bool t
  | CKA_ALWAYS_SENSITIVE : bool t
  | CKA_KEY_GEN_MECHANISM : P11_key_gen_mechanism.t t
  | CKA_MODIFIABLE : bool t
  | CKA_EC_PARAMS : string t
  | CKA_EC_POINT : string t
  | CKA_ALWAYS_AUTHENTICATE : bool t
  | CKA_WRAP_WITH_TRUSTED : bool t
  | CKA_WRAP_TEMPLATE : not_implemented t
  | CKA_UNWRAP_TEMPLATE : not_implemented t
  | CKA_ALLOWED_MECHANISMS : not_implemented t
  | CKA_CS_UNKNOWN: Unsigned.ULong.t -> not_implemented t

type pack = Pack : 'a t -> pack

let to_string : type a. a t -> string =
  function
  | CKA_CLASS -> "CKA_CLASS"
  | CKA_TOKEN -> "CKA_TOKEN"
  | CKA_PRIVATE -> "CKA_PRIVATE"
  | CKA_LABEL -> "CKA_LABEL"
  | CKA_VALUE -> "CKA_VALUE"
  | CKA_TRUSTED -> "CKA_TRUSTED"
  | CKA_CHECK_VALUE -> "CKA_CHECK_VALUE"
  | CKA_KEY_TYPE -> "CKA_KEY_TYPE"
  | CKA_SUBJECT -> "CKA_SUBJECT"
  | CKA_ID -> "CKA_ID"
  | CKA_SENSITIVE -> "CKA_SENSITIVE"
  | CKA_ENCRYPT -> "CKA_ENCRYPT"
  | CKA_DECRYPT -> "CKA_DECRYPT"
  | CKA_WRAP -> "CKA_WRAP"
  | CKA_UNWRAP -> "CKA_UNWRAP"
  | CKA_SIGN -> "CKA_SIGN"
  | CKA_SIGN_RECOVER -> "CKA_SIGN_RECOVER"
  | CKA_VERIFY -> "CKA_VERIFY"
  | CKA_VERIFY_RECOVER -> "CKA_VERIFY_RECOVER"
  | CKA_DERIVE -> "CKA_DERIVE"
  | CKA_START_DATE -> "CKA_START_DATE"
  | CKA_END_DATE -> "CKA_END_DATE"
  | CKA_MODULUS -> "CKA_MODULUS"
  | CKA_MODULUS_BITS -> "CKA_MODULUS_BITS"
  | CKA_PUBLIC_EXPONENT -> "CKA_PUBLIC_EXPONENT"
  | CKA_PRIVATE_EXPONENT -> "CKA_PRIVATE_EXPONENT"
  | CKA_PRIME_1 -> "CKA_PRIME_1"
  | CKA_PRIME_2 -> "CKA_PRIME_2"
  | CKA_EXPONENT_1 -> "CKA_EXPONENT_1"
  | CKA_EXPONENT_2 -> "CKA_EXPONENT_2"
  | CKA_COEFFICIENT -> "CKA_COEFFICIENT"
  | CKA_PRIME -> "CKA_PRIME"
  | CKA_SUBPRIME -> "CKA_SUBPRIME"
  | CKA_BASE -> "CKA_BASE"
  | CKA_PRIME_BITS -> "CKA_PRIME_BITS"
  | CKA_SUBPRIME_BITS -> "CKA_SUBPRIME_BITS"
  | CKA_VALUE_LEN -> "CKA_VALUE_LEN"
  | CKA_EXTRACTABLE -> "CKA_EXTRACTABLE"
  | CKA_LOCAL -> "CKA_LOCAL"
  | CKA_NEVER_EXTRACTABLE -> "CKA_NEVER_EXTRACTABLE"
  | CKA_ALWAYS_SENSITIVE -> "CKA_ALWAYS_SENSITIVE"
  | CKA_KEY_GEN_MECHANISM -> "CKA_KEY_GEN_MECHANISM"
  | CKA_MODIFIABLE -> "CKA_MODIFIABLE"
  (* | CKA_ECDSA_PARAMS -> "CKA_ECDSA_PARAMS" *)
  | CKA_EC_PARAMS -> "CKA_EC_PARAMS"
  | CKA_EC_POINT -> "CKA_EC_POINT"
  | CKA_ALWAYS_AUTHENTICATE -> "CKA_ALWAYS_AUTHENTICATE"
  | CKA_WRAP_WITH_TRUSTED -> "CKA_WRAP_WITH_TRUSTED"
  | CKA_WRAP_TEMPLATE -> "CKA_WRAP_TEMPLATE"
  | CKA_UNWRAP_TEMPLATE -> "CKA_UNWRAP_TEMPLATE"
  | CKA_ALLOWED_MECHANISMS -> "CKA_ALLOWED_MECHANISMS"
  | CKA_CS_UNKNOWN ul -> Unsigned.ULong.to_string ul

let of_string = function
  | "CKA_CLASS" -> Pack CKA_CLASS
  | "CKA_TOKEN" -> Pack CKA_TOKEN
  | "CKA_PRIVATE" -> Pack CKA_PRIVATE
  | "CKA_LABEL" -> Pack CKA_LABEL
  | "CKA_VALUE" -> Pack CKA_VALUE
  | "CKA_TRUSTED" -> Pack CKA_TRUSTED
  | "CKA_CHECK_VALUE" -> Pack CKA_CHECK_VALUE
  | "CKA_KEY_TYPE" -> Pack CKA_KEY_TYPE
  | "CKA_SUBJECT" -> Pack CKA_SUBJECT
  | "CKA_ID" -> Pack CKA_ID
  | "CKA_SENSITIVE" -> Pack CKA_SENSITIVE
  | "CKA_ENCRYPT" -> Pack CKA_ENCRYPT
  | "CKA_DECRYPT" -> Pack CKA_DECRYPT
  | "CKA_WRAP" -> Pack CKA_WRAP
  | "CKA_UNWRAP" -> Pack CKA_UNWRAP
  | "CKA_SIGN" -> Pack CKA_SIGN
  | "CKA_SIGN_RECOVER" -> Pack CKA_SIGN_RECOVER
  | "CKA_VERIFY" -> Pack CKA_VERIFY
  | "CKA_VERIFY_RECOVER" -> Pack CKA_VERIFY_RECOVER
  | "CKA_DERIVE" -> Pack CKA_DERIVE
  | "CKA_START_DATE" -> Pack CKA_START_DATE
  | "CKA_END_DATE" -> Pack CKA_END_DATE
  | "CKA_MODULUS" -> Pack CKA_MODULUS
  | "CKA_MODULUS_BITS" -> Pack CKA_MODULUS_BITS
  | "CKA_PUBLIC_EXPONENT" -> Pack CKA_PUBLIC_EXPONENT
  | "CKA_PRIVATE_EXPONENT" -> Pack CKA_PRIVATE_EXPONENT
  | "CKA_PRIME_1" -> Pack CKA_PRIME_1
  | "CKA_PRIME_2" -> Pack CKA_PRIME_2
  | "CKA_EXPONENT_1" -> Pack CKA_EXPONENT_1
  | "CKA_EXPONENT_2" -> Pack CKA_EXPONENT_2
  | "CKA_COEFFICIENT" -> Pack CKA_COEFFICIENT
  | "CKA_PRIME" -> Pack CKA_PRIME
  | "CKA_SUBPRIME" -> Pack CKA_SUBPRIME
  | "CKA_BASE" -> Pack CKA_BASE
  | "CKA_PRIME_BITS" -> Pack CKA_PRIME_BITS
  | "CKA_SUBPRIME_BITS" -> Pack CKA_SUBPRIME_BITS
  | "CKA_SUB_PRIME_BITS" -> Pack CKA_SUBPRIME_BITS
  | "CKA_VALUE_LEN" -> Pack CKA_VALUE_LEN
  | "CKA_EXTRACTABLE" -> Pack CKA_EXTRACTABLE
  | "CKA_LOCAL" -> Pack CKA_LOCAL
  | "CKA_NEVER_EXTRACTABLE" -> Pack CKA_NEVER_EXTRACTABLE
  | "CKA_ALWAYS_SENSITIVE" -> Pack CKA_ALWAYS_SENSITIVE
  | "CKA_KEY_GEN_MECHANISM" -> Pack CKA_KEY_GEN_MECHANISM
  | "CKA_MODIFIABLE" -> Pack CKA_MODIFIABLE
  | "CKA_ECDSA_PARAMS" -> Pack CKA_EC_PARAMS
  | "CKA_EC_PARAMS" -> Pack CKA_EC_PARAMS
  | "CKA_EC_POINT" -> Pack CKA_EC_POINT
  | "CKA_ALWAYS_AUTHENTICATE" -> Pack CKA_ALWAYS_AUTHENTICATE
  | "CKA_WRAP_WITH_TRUSTED" -> Pack CKA_WRAP_WITH_TRUSTED
  | "CKA_WRAP_TEMPLATE" -> Pack CKA_WRAP_TEMPLATE
  | "CKA_UNWRAP_TEMPLATE" -> Pack CKA_UNWRAP_TEMPLATE
  | "CKA_ALLOWED_MECHANISMS" -> Pack CKA_ALLOWED_MECHANISMS
  | s ->
    try
      Pack (CKA_CS_UNKNOWN (Unsigned.ULong.of_string s))
    with Failure _ ->
      invalid_arg "CK_ATTRIBUTE_TYPE.of_string"

module Encoding = struct
  let (!) x  = Unsigned.ULong.of_string (Int64.to_string x)

  let ckf_ARRAY_ATTRIBUTE = 0x40000000L

  let  _CKA_CLASS                       = ! 0x00000000L
  let  _CKA_TOKEN                       = ! 0x00000001L
  let  _CKA_PRIVATE                     = ! 0x00000002L
  let  _CKA_LABEL                       = ! 0x00000003L
  let  _CKA_APPLICATION                 = ! 0x00000010L
  let  _CKA_VALUE                       = ! 0x00000011L
  let  _CKA_OBJECT_ID                   = ! 0x00000012L
  let  _CKA_CERTIFICATE_TYPE            = ! 0x00000080L
  let  _CKA_ISSUER                      = ! 0x00000081L
  let  _CKA_SERIAL_NUMBER               = ! 0x00000082L
  let  _CKA_AC_ISSUER                   = ! 0x00000083L
  let  _CKA_OWNER                       = ! 0x00000084L
  let  _CKA_ATTR_TYPES                  = ! 0x00000085L
  let  _CKA_TRUSTED                     = ! 0x00000086L
  let  _CKA_CERTIFICATE_CATEGORY        = ! 0x00000087L
  let  _CKA_JAVA_MIDP_SECURITY_DOMAIN   = ! 0x00000088L
  let  _CKA_URL                         = ! 0x00000089L
  let  _CKA_HASH_OF_SUBJECT_PUBLIC_KEY  = ! 0x0000008AL
  let  _CKA_HASH_OF_ISSUER_PUBLIC_KEY   = ! 0x0000008BL
  let  _CKA_CHECK_VALUE                 = ! 0x00000090L
  let  _CKA_KEY_TYPE                    = ! 0x00000100L
  let  _CKA_SUBJECT                     = ! 0x00000101L
  let  _CKA_ID                          = ! 0x00000102L
  let  _CKA_SENSITIVE                   = ! 0x00000103L
  let  _CKA_ENCRYPT                     = ! 0x00000104L
  let  _CKA_DECRYPT                     = ! 0x00000105L
  let  _CKA_WRAP                        = ! 0x00000106L
  let  _CKA_UNWRAP                      = ! 0x00000107L
  let  _CKA_SIGN                        = ! 0x00000108L
  let  _CKA_SIGN_RECOVER                = ! 0x00000109L
  let  _CKA_VERIFY                      = ! 0x0000010AL
  let  _CKA_VERIFY_RECOVER              = ! 0x0000010BL
  let  _CKA_DERIVE                      = ! 0x0000010CL
  let  _CKA_START_DATE                  = ! 0x00000110L
  let  _CKA_END_DATE                    = ! 0x00000111L
  let  _CKA_MODULUS                     = ! 0x00000120L
  let  _CKA_MODULUS_BITS                = ! 0x00000121L
  let  _CKA_PUBLIC_EXPONENT             = ! 0x00000122L
  let  _CKA_PRIVATE_EXPONENT            = ! 0x00000123L
  let  _CKA_PRIME_1                     = ! 0x00000124L
  let  _CKA_PRIME_2                     = ! 0x00000125L
  let  _CKA_EXPONENT_1                  = ! 0x00000126L
  let  _CKA_EXPONENT_2                  = ! 0x00000127L
  let  _CKA_COEFFICIENT                 = ! 0x00000128L
  let  _CKA_PRIME                       = ! 0x00000130L
  let  _CKA_SUBPRIME                    = ! 0x00000131L
  let  _CKA_BASE                        = ! 0x00000132L
  let  _CKA_PRIME_BITS                  = ! 0x00000133L
  let  _CKA_SUBPRIME_BITS               = ! 0x00000134L
  let  _CKA_VALUE_BITS                  = ! 0x00000160L
  let  _CKA_VALUE_LEN                   = ! 0x00000161L
  let  _CKA_EXTRACTABLE                 = ! 0x00000162L
  let  _CKA_LOCAL                       = ! 0x00000163L
  let  _CKA_NEVER_EXTRACTABLE           = ! 0x00000164L
  let  _CKA_ALWAYS_SENSITIVE            = ! 0x00000165L
  let  _CKA_KEY_GEN_MECHANISM           = ! 0x00000166L
  let  _CKA_MODIFIABLE                  = ! 0x00000170L
  let  _CKA_EC_PARAMS                   = ! 0x00000180L
  let  _CKA_EC_POINT                    = ! 0x00000181L
  let  _CKA_SECONDARY_AUTH              = ! 0x00000200L
  let  _CKA_AUTH_PIN_FLAGS              = ! 0x00000201L
  let  _CKA_ALWAYS_AUTHENTICATE         = ! 0x00000202L
  let  _CKA_WRAP_WITH_TRUSTED           = ! 0x00000210L
  let  _CKA_WRAP_TEMPLATE               = ! (Int64.logor ckf_ARRAY_ATTRIBUTE 0x00000211L)
  let  _CKA_UNWRAP_TEMPLATE             = ! (Int64.logor ckf_ARRAY_ATTRIBUTE 0x00000212L)
  let  _CKA_OTP_FORMAT                  = ! 0x00000220L
  let  _CKA_OTP_LENGTH                  = ! 0x00000221L
  let  _CKA_OTP_TIME_INTERVAL           = ! 0x00000222L
  let  _CKA_OTP_USER_FRIENDLY_MODE      = ! 0x00000223L
  let  _CKA_OTP_CHALLENGE_REQUIREMENT   = ! 0x00000224L
  let  _CKA_OTP_TIME_REQUIREMENT        = ! 0x00000225L
  let  _CKA_OTP_COUNTER_REQUIREMENT     = ! 0x00000226L
  let  _CKA_OTP_PIN_REQUIREMENT         = ! 0x00000227L
  let  _CKA_OTP_COUNTER                 = ! 0x0000022EL
  let  _CKA_OTP_TIME                    = ! 0x0000022FL
  let  _CKA_OTP_USER_IDENTIFIER         = ! 0x0000022AL
  let  _CKA_OTP_SERVICE_IDENTIFIER      = ! 0x0000022BL
  let              = ! 0x0000022CL
  let  _CKA_OTP_SERVICE_LOGO_TYPE       = ! 0x0000022DL
  let  _CKA_HW_FEATURE_TYPE             = ! 0x00000300L
  let  _CKA_RESET_ON_INIT               = ! 0x00000301L
  let  _CKA_HAS_RESET                   = ! 0x00000302L
  let  _CKA_PIXEL_X                     = ! 0x00000400L
  let  _CKA_PIXEL_Y                     = ! 0x00000401L
  let  _CKA_RESOLUTION                  = ! 0x00000402L
  let  _CKA_CHAR_ROWS                   = ! 0x00000403L
  let  _CKA_CHAR_COLUMNS                = ! 0x00000404L
  let  _CKA_COLOR                       = ! 0x00000405L
  let  _CKA_BITS_PER_PIXEL              = ! 0x00000406L
  let  _CKA_CHAR_SETS                   = ! 0x00000480L
  let  _CKA_ENCODING_METHODS            = ! 0x00000481L
  let  _CKA_MIME_TYPES                  = ! 0x00000482L
  let  _CKA_MECHANISM_TYPE              = ! 0x00000500L
  let  _CKA_REQUIRED_CMS_ATTRIBUTES     = ! 0x00000501L
  let  _CKA_DEFAULT_CMS_ATTRIBUTES      = ! 0x00000502L
  let  _CKA_SUPPORTED_CMS_ATTRIBUTES    = ! 0x00000503L
  let  _CKA_ALLOWED_MECHANISMS          = ! (Int64.logor ckf_ARRAY_ATTRIBUTE 0x00000600L)
  let  _CKA_VENDOR_DEFINED              = ! 0x80000000L

  let make (type s) (x : s t) : Unsigned.ULong.t =
    match x with
    | CKA_CLASS -> _CKA_CLASS
    | CKA_TOKEN -> _CKA_TOKEN
    | CKA_PRIVATE -> _CKA_PRIVATE
    | CKA_LABEL -> _CKA_LABEL
    | CKA_VALUE -> _CKA_VALUE
    | CKA_TRUSTED -> _CKA_TRUSTED
    | CKA_CHECK_VALUE -> _CKA_CHECK_VALUE
    | CKA_KEY_TYPE -> _CKA_KEY_TYPE
    | CKA_SUBJECT -> _CKA_SUBJECT
    | CKA_ID -> _CKA_ID
    | CKA_SENSITIVE -> _CKA_SENSITIVE
    | CKA_ENCRYPT -> _CKA_ENCRYPT
    | CKA_DECRYPT -> _CKA_DECRYPT
    | CKA_WRAP -> _CKA_WRAP
    | CKA_UNWRAP -> _CKA_UNWRAP
    | CKA_SIGN -> _CKA_SIGN
    | CKA_SIGN_RECOVER -> _CKA_SIGN_RECOVER
    | CKA_VERIFY -> _CKA_VERIFY
    | CKA_VERIFY_RECOVER -> _CKA_VERIFY_RECOVER
    | CKA_DERIVE -> _CKA_DERIVE
    | CKA_START_DATE -> _CKA_START_DATE
    | CKA_END_DATE -> _CKA_END_DATE
    | CKA_MODULUS -> _CKA_MODULUS
    | CKA_MODULUS_BITS -> _CKA_MODULUS_BITS
    | CKA_PUBLIC_EXPONENT -> _CKA_PUBLIC_EXPONENT
    | CKA_PRIVATE_EXPONENT -> _CKA_PRIVATE_EXPONENT
    | CKA_PRIME_1 -> _CKA_PRIME_1
    | CKA_PRIME_2 -> _CKA_PRIME_2
    | CKA_EXPONENT_1 -> _CKA_EXPONENT_1
    | CKA_EXPONENT_2 -> _CKA_EXPONENT_2
    | CKA_COEFFICIENT -> _CKA_COEFFICIENT
    | CKA_PRIME -> _CKA_PRIME
    | CKA_SUBPRIME -> _CKA_SUBPRIME
    | CKA_BASE -> _CKA_BASE
    | CKA_PRIME_BITS -> _CKA_PRIME_BITS
    | CKA_SUBPRIME_BITS -> _CKA_SUBPRIME_BITS
    | CKA_VALUE_LEN -> _CKA_VALUE_LEN
    | CKA_EXTRACTABLE -> _CKA_EXTRACTABLE
    | CKA_LOCAL -> _CKA_LOCAL
    | CKA_NEVER_EXTRACTABLE -> _CKA_NEVER_EXTRACTABLE
    | CKA_ALWAYS_SENSITIVE -> _CKA_ALWAYS_SENSITIVE
    | CKA_KEY_GEN_MECHANISM -> _CKA_KEY_GEN_MECHANISM
    | CKA_MODIFIABLE -> _CKA_MODIFIABLE
    | CKA_EC_PARAMS -> _CKA_EC_PARAMS
    | CKA_EC_POINT -> _CKA_EC_POINT
    | CKA_ALWAYS_AUTHENTICATE -> _CKA_ALWAYS_AUTHENTICATE
    | CKA_WRAP_WITH_TRUSTED -> _CKA_WRAP_WITH_TRUSTED
    | CKA_WRAP_TEMPLATE -> _CKA_WRAP_TEMPLATE
    | CKA_UNWRAP_TEMPLATE -> _CKA_UNWRAP_TEMPLATE
    | CKA_ALLOWED_MECHANISMS -> _CKA_ALLOWED_MECHANISMS
    | CKA_CS_UNKNOWN ul -> ul
end

type (_, _) comparison =
  | Equal : ('a, 'a) comparison
  | Not_equal : int -> ('a, 'b) comparison

let compare a b =
  let a = Encoding.make a in
  let b = Encoding.make b in
  Unsigned.ULong.compare a b

let compare' : type a b. a t -> b t -> (a, b) comparison =
  fun a b ->
  let a' = Encoding.make a in
  let b' = Encoding.make b in
  let n = P11_ulong.compare a' b' in
  if n <> 0 then
    Not_equal n
  else
    match a, b with
    | CKA_CLASS, CKA_CLASS -> Equal
    | CKA_TOKEN, CKA_TOKEN -> Equal
    | CKA_PRIVATE, CKA_PRIVATE -> Equal
    | CKA_LABEL, CKA_LABEL -> Equal
    | CKA_VALUE, CKA_VALUE -> Equal
    | CKA_TRUSTED, CKA_TRUSTED -> Equal
    | CKA_CHECK_VALUE, CKA_CHECK_VALUE -> Equal
    | CKA_KEY_TYPE, CKA_KEY_TYPE -> Equal
    | CKA_SUBJECT, CKA_SUBJECT -> Equal
    | CKA_ID, CKA_ID -> Equal
    | CKA_SENSITIVE, CKA_SENSITIVE -> Equal
    | CKA_ENCRYPT, CKA_ENCRYPT -> Equal
    | CKA_DECRYPT, CKA_DECRYPT -> Equal
    | CKA_WRAP, CKA_WRAP -> Equal
    | CKA_UNWRAP, CKA_UNWRAP -> Equal
    | CKA_SIGN, CKA_SIGN -> Equal
    | CKA_SIGN_RECOVER, CKA_SIGN_RECOVER -> Equal
    | CKA_VERIFY, CKA_VERIFY -> Equal
    | CKA_VERIFY_RECOVER, CKA_VERIFY_RECOVER -> Equal
    | CKA_DERIVE, CKA_DERIVE -> Equal
    | CKA_START_DATE, CKA_START_DATE -> Equal
    | CKA_END_DATE, CKA_END_DATE -> Equal
    | CKA_MODULUS, CKA_MODULUS -> Equal
    | CKA_MODULUS_BITS, CKA_MODULUS_BITS -> Equal
    | CKA_PUBLIC_EXPONENT, CKA_PUBLIC_EXPONENT -> Equal
    | CKA_PRIVATE_EXPONENT, CKA_PRIVATE_EXPONENT -> Equal
    | CKA_PRIME_1, CKA_PRIME_1 -> Equal
    | CKA_PRIME_2, CKA_PRIME_2 -> Equal
    | CKA_EXPONENT_1, CKA_EXPONENT_1 -> Equal
    | CKA_EXPONENT_2, CKA_EXPONENT_2 -> Equal
    | CKA_COEFFICIENT, CKA_COEFFICIENT -> Equal
    | CKA_PRIME, CKA_PRIME -> Equal
    | CKA_SUBPRIME, CKA_SUBPRIME -> Equal
    | CKA_BASE, CKA_BASE -> Equal
    | CKA_PRIME_BITS, CKA_PRIME_BITS -> Equal
    | CKA_SUBPRIME_BITS, CKA_SUBPRIME_BITS -> Equal
    | CKA_VALUE_LEN, CKA_VALUE_LEN -> Equal
    | CKA_EXTRACTABLE, CKA_EXTRACTABLE -> Equal
    | CKA_LOCAL, CKA_LOCAL -> Equal
    | CKA_NEVER_EXTRACTABLE, CKA_NEVER_EXTRACTABLE -> Equal
    | CKA_ALWAYS_SENSITIVE, CKA_ALWAYS_SENSITIVE -> Equal
    | CKA_KEY_GEN_MECHANISM, CKA_KEY_GEN_MECHANISM -> Equal
    | CKA_MODIFIABLE, CKA_MODIFIABLE -> Equal
    | CKA_EC_PARAMS, CKA_EC_PARAMS -> Equal
    | CKA_EC_POINT, CKA_EC_POINT -> Equal
    | CKA_ALWAYS_AUTHENTICATE, CKA_ALWAYS_AUTHENTICATE -> Equal
    | CKA_WRAP_WITH_TRUSTED, CKA_WRAP_WITH_TRUSTED -> Equal
    | CKA_WRAP_TEMPLATE, CKA_WRAP_TEMPLATE -> Equal
    | CKA_UNWRAP_TEMPLATE, CKA_UNWRAP_TEMPLATE -> Equal
    | CKA_ALLOWED_MECHANISMS, CKA_ALLOWED_MECHANISMS -> Equal
    | CKA_CS_UNKNOWN ul1, CKA_CS_UNKNOWN ul2 ->
      let cmp = Unsigned.ULong.compare ul1 ul2 in
      if cmp = 0 then
        Equal
      else
        Not_equal cmp
    | CKA_CLASS, _ -> assert false
    | CKA_TOKEN, _ -> assert false
    | CKA_PRIVATE, _ -> assert false
    | CKA_LABEL, _ -> assert false
    | CKA_VALUE, _ -> assert false
    | CKA_TRUSTED, _ -> assert false
    | CKA_CHECK_VALUE, _ -> assert false
    | CKA_KEY_TYPE, _ -> assert false
    | CKA_SUBJECT, _ -> assert false
    | CKA_ID, _ -> assert false
    | CKA_SENSITIVE, _ -> assert false
    | CKA_ENCRYPT, _ -> assert false
    | CKA_DECRYPT, _ -> assert false
    | CKA_WRAP, _ -> assert false
    | CKA_UNWRAP, _ -> assert false
    | CKA_SIGN, _ -> assert false
    | CKA_SIGN_RECOVER, _ -> assert false
    | CKA_VERIFY, _ -> assert false
    | CKA_VERIFY_RECOVER, _ -> assert false
    | CKA_DERIVE, _ -> assert false
    | CKA_START_DATE, _ -> assert false
    | CKA_END_DATE, _ -> assert false
    | CKA_MODULUS, _ -> assert false
    | CKA_MODULUS_BITS, _ -> assert false
    | CKA_PUBLIC_EXPONENT, _ -> assert false
    | CKA_PRIVATE_EXPONENT, _ -> assert false
    | CKA_PRIME_1, _ -> assert false
    | CKA_PRIME_2, _ -> assert false
    | CKA_EXPONENT_1, _ -> assert false
    | CKA_EXPONENT_2, _ -> assert false
    | CKA_COEFFICIENT, _ -> assert false
    | CKA_PRIME, _ -> assert false
    | CKA_SUBPRIME, _ -> assert false
    | CKA_BASE, _ -> assert false
    | CKA_PRIME_BITS, _ -> assert false
    | CKA_SUBPRIME_BITS, _ -> assert false
    | CKA_VALUE_LEN, _ -> assert false
    | CKA_EXTRACTABLE, _ -> assert false
    | CKA_LOCAL, _ -> assert false
    | CKA_NEVER_EXTRACTABLE, _ -> assert false
    | CKA_ALWAYS_SENSITIVE, _ -> assert false
    | CKA_KEY_GEN_MECHANISM, _ -> assert false
    | CKA_MODIFIABLE, _ -> assert false
    | CKA_EC_PARAMS, _ -> assert false
    | CKA_EC_POINT, _ -> assert false
    | CKA_ALWAYS_AUTHENTICATE, _ -> assert false
    | CKA_WRAP_WITH_TRUSTED, _ -> assert false
    | CKA_WRAP_TEMPLATE, _ -> assert false
    | CKA_UNWRAP_TEMPLATE, _ -> assert false
    | CKA_ALLOWED_MECHANISMS, _ -> assert false
    | CKA_CS_UNKNOWN _, _ -> assert false

let compare_pack (Pack a) (Pack b) =
  compare a b

let equal a b =
  compare a b = 0

let equal_pack a b =
  compare_pack a b = 0

let to_json attribute =
  try
    `String (to_string attribute)
  with
  | Invalid_argument _ ->
    `Null

let pack_to_json (Pack attribute) = to_json attribute

let pack_to_yojson = pack_to_json

let pack_of_yojson = P11_helpers.of_json_string ~typename:"attribute type" of_string

let elements =
  [
    Pack CKA_CLASS;
    Pack CKA_TOKEN;
    Pack CKA_PRIVATE;
    Pack CKA_LABEL;
    Pack CKA_VALUE;
    Pack CKA_TRUSTED;
    Pack CKA_KEY_TYPE;
    Pack CKA_SUBJECT;
    Pack CKA_ID;
    Pack CKA_SENSITIVE;
    Pack CKA_ENCRYPT;
    Pack CKA_DECRYPT;
    Pack CKA_WRAP;
    Pack CKA_UNWRAP;
    Pack CKA_SIGN;
    Pack CKA_SIGN_RECOVER;
    Pack CKA_VERIFY;
    Pack CKA_VERIFY_RECOVER;
    Pack CKA_DERIVE;
    Pack CKA_MODULUS;
    Pack CKA_MODULUS_BITS;
    Pack CKA_PUBLIC_EXPONENT;
    Pack CKA_PRIVATE_EXPONENT;
    Pack CKA_PRIME_1;
    Pack CKA_PRIME_2;
    Pack CKA_EXPONENT_1;
    Pack CKA_EXPONENT_2;
    Pack CKA_COEFFICIENT;
    Pack CKA_PRIME;
    Pack CKA_SUBPRIME;
    Pack CKA_BASE;
    Pack CKA_PRIME_BITS;
    Pack CKA_SUBPRIME_BITS;
    Pack CKA_VALUE_LEN;
    Pack CKA_EXTRACTABLE;
    Pack CKA_LOCAL;
    Pack CKA_NEVER_EXTRACTABLE;
    Pack CKA_ALWAYS_SENSITIVE;
    Pack CKA_KEY_GEN_MECHANISM;
    Pack CKA_MODIFIABLE;
    Pack CKA_EC_PARAMS;
    Pack CKA_EC_POINT;
    Pack CKA_ALWAYS_AUTHENTICATE;
    Pack CKA_WRAP_WITH_TRUSTED;
  ]

let known_attribute_types = List.map (fun (Pack c) -> to_string c) elements