type hmac_key = Cstruct.t
type iv_mode =
  1. | Iv of Cstruct_sexp.t
  2. | Random_iv
val sexp_of_iv_mode : iv_mode -> Sexplib0.Sexp.t
type 'k cbc_cipher = (module Mirage_crypto.Cipher_block.S.CBC with type key = 'k)
type 'k cbc_state = {
  1. cipher : 'k cbc_cipher;
  2. cipher_secret : 'k;
  3. iv_mode : iv_mode;
  4. hmac : Mirage_crypto.Hash.hash;
  5. hmac_secret : hmac_key;
}
type nonce = Cstruct.t
type 'k aead_cipher =
  1. | CCM of (module Mirage_crypto.Cipher_block.S.CCM with type key = 'k)
  2. | GCM of (module Mirage_crypto.Cipher_block.S.GCM with type key = 'k)
  3. | ChaCha20_Poly1305 of (module Mirage_crypto.AEAD with type key = 'k)
type 'k aead_state = {
  1. cipher : 'k aead_cipher;
  2. cipher_secret : 'k;
  3. nonce : nonce;
}
type cipher_st =
  1. | CBC : 'k cbc_state -> cipher_st
  2. | AEAD : 'k aead_state -> cipher_st
val sexp_of_cipher_st : cipher_st -> Sexplib.Sexp.t
type crypto_context = {
  1. sequence : int64;
  2. cipher_st : cipher_st;
}
val sexp_of_crypto_context : crypto_context -> Sexplib0.Sexp.t
type hs_log = Cstruct_sexp.t list
val sexp_of_hs_log : hs_log -> Sexplib0.Sexp.t
val sexp_of_dh_secret : 'a -> Sexplib.Sexp.t
val dh_secret_of_sexp : Sexplib0.Sexp.t -> 'a
type reneg_params = Cstruct_sexp.t * Cstruct_sexp.t
val sexp_of_reneg_params : reneg_params -> Sexplib0.Sexp.t
type common_session_data = {
  1. server_random : Cstruct_sexp.t;
  2. client_random : Cstruct_sexp.t;
  3. peer_certificate_chain : Core.Cert.t list;
  4. peer_certificate : Core.Cert.t option;
  5. trust_anchor : Core.Cert.t option;
  6. received_certificates : Core.Cert.t list;
  7. own_certificate : Core.Cert.t list;
  8. own_private_key : Core.Priv.t option;
  9. own_name : Core.Peer_name.t option;
  10. client_auth : bool;
  11. master_secret : Core.master_secret;
  12. alpn_protocol : string option;
}
val sexp_of_common_session_data : common_session_data -> Sexplib0.Sexp.t
type session_data = {
  1. common_session_data : common_session_data;
  2. client_version : Core.tls_any_version;
  3. ciphersuite : Ciphersuite.ciphersuite;
  4. group : Core.group option;
  5. renegotiation : reneg_params;
  6. session_id : Cstruct_sexp.t;
  7. extended_ms : bool;
}
val sexp_of_session_data : session_data -> Sexplib0.Sexp.t
type server_handshake_state =
  1. | AwaitClientHello
  2. | AwaitClientHelloRenegotiate
  3. | AwaitClientCertificate_RSA of session_data * hs_log
  4. | AwaitClientCertificate_DHE of session_data * dh_secret * hs_log
  5. | AwaitClientKeyExchange_RSA of session_data * hs_log
  6. | AwaitClientKeyExchange_DHE of session_data * dh_secret * hs_log
  7. | AwaitClientCertificateVerify of session_data * crypto_context * crypto_context * hs_log
  8. | AwaitClientChangeCipherSpec of session_data * crypto_context * crypto_context * hs_log
  9. | AwaitClientChangeCipherSpecResume of session_data * crypto_context * Cstruct_sexp.t * hs_log
  10. | AwaitClientFinished of session_data * hs_log
  11. | AwaitClientFinishedResume of session_data * Cstruct_sexp.t * hs_log
  12. | Established
val sexp_of_server_handshake_state : server_handshake_state -> Sexplib0.Sexp.t
type client_handshake_state =
  1. | ClientInitial
  2. | AwaitServerHello of Core.client_hello * (Core.group * dh_secret) list * hs_log
  3. | AwaitServerHelloRenegotiate of session_data * Core.client_hello * hs_log
  4. | AwaitCertificate_RSA of session_data * hs_log
  5. | AwaitCertificate_DHE of session_data * hs_log
  6. | AwaitServerKeyExchange_DHE of session_data * hs_log
  7. | AwaitCertificateRequestOrServerHelloDone of session_data * Cstruct_sexp.t * Cstruct_sexp.t * hs_log
  8. | AwaitServerHelloDone of session_data * Core.signature_algorithm list option * Cstruct_sexp.t * Cstruct_sexp.t * hs_log
  9. | AwaitServerChangeCipherSpec of session_data * crypto_context * Cstruct_sexp.t * hs_log
  10. | AwaitServerChangeCipherSpecResume of session_data * crypto_context * crypto_context * hs_log
  11. | AwaitServerFinished of session_data * Cstruct_sexp.t * hs_log
  12. | AwaitServerFinishedResume of session_data * hs_log
  13. | Established
val sexp_of_client_handshake_state : client_handshake_state -> Sexplib0.Sexp.t
type kdf = {
  1. secret : Cstruct_sexp.t;
  2. cipher : Ciphersuite.ciphersuite13;
  3. hash : Ciphersuite.H.t;
}
val sexp_of_kdf : kdf -> Sexplib0.Sexp.t
type session_data13 = {
  1. common_session_data13 : common_session_data;
  2. ciphersuite13 : Ciphersuite.ciphersuite13;
  3. master_secret : kdf;
  4. resumption_secret : Cstruct_sexp.t;
  5. state : Core.epoch_state;
  6. resumed : bool;
  7. client_app_secret : Cstruct_sexp.t;
  8. server_app_secret : Cstruct_sexp.t;
}
val sexp_of_session_data13 : session_data13 -> Sexplib0.Sexp.t
type client13_handshake_state =
  1. | AwaitServerHello13 of Core.client_hello * (Core.group * dh_secret) list * Cstruct_sexp.t
  2. | AwaitServerEncryptedExtensions13 of session_data13 * Cstruct_sexp.t * Cstruct_sexp.t * Cstruct_sexp.t
  3. | AwaitServerCertificateRequestOrCertificate13 of session_data13 * Cstruct_sexp.t * Cstruct_sexp.t * Cstruct_sexp.t
  4. | AwaitServerCertificate13 of session_data13 * Cstruct_sexp.t * Cstruct_sexp.t * Core.signature_algorithm list option * Cstruct_sexp.t
  5. | AwaitServerCertificateVerify13 of session_data13 * Cstruct_sexp.t * Cstruct_sexp.t * Core.signature_algorithm list option * Cstruct_sexp.t
  6. | AwaitServerFinished13 of session_data13 * Cstruct_sexp.t * Cstruct_sexp.t * Core.signature_algorithm list option * Cstruct_sexp.t
  7. | Established13
val sexp_of_client13_handshake_state : client13_handshake_state -> Sexplib0.Sexp.t
type server13_handshake_state =
  1. | AwaitClientHelloHRR13
  2. | AwaitClientCertificate13 of session_data13 * Cstruct_sexp.t * crypto_context * Core.session_ticket option * Cstruct_sexp.t
  3. | AwaitClientCertificateVerify13 of session_data13 * Cstruct_sexp.t * crypto_context * Core.session_ticket option * Cstruct_sexp.t
  4. | AwaitClientFinished13 of Cstruct_sexp.t * crypto_context * Core.session_ticket option * Cstruct_sexp.t
  5. | AwaitEndOfEarlyData13 of Cstruct_sexp.t * crypto_context * crypto_context * Core.session_ticket option * Cstruct_sexp.t
  6. | Established13
val sexp_of_server13_handshake_state : server13_handshake_state -> Sexplib0.Sexp.t
type handshake_machina_state =
  1. | Client of client_handshake_state
  2. | Server of server_handshake_state
  3. | Client13 of client13_handshake_state
  4. | Server13 of server13_handshake_state
val sexp_of_handshake_machina_state : handshake_machina_state -> Sexplib0.Sexp.t
type handshake_state = {
  1. session : [ `TLS of session_data | `TLS13 of session_data13 ] list;
  2. protocol_version : Core.tls_version;
  3. early_data_left : int32;
  4. machina : handshake_machina_state;
  5. config : Config.config;
  6. hs_fragment : Cstruct_sexp.t;
}
val sexp_of_handshake_state : handshake_state -> Sexplib0.Sexp.t
type crypto_state = crypto_context option
val sexp_of_crypto_state : crypto_state -> Sexplib0.Sexp.t
val sexp_of_record : record -> Sexplib0.Sexp.t
type rec_resp = [
  1. | `Change_enc of crypto_context
  2. | `Change_dec of crypto_context
  3. | `Record of record
]
type handshake_return = handshake_state * rec_resp list
type state = {
  1. handshake : handshake_state;
  2. decryptor : crypto_state;
  3. encryptor : crypto_state;
  4. fragment : Cstruct_sexp.t;
}
val sexp_of_state : state -> Sexplib0.Sexp.t
module V_err : sig ... end
module Ec_err : sig ... end
type error = [
  1. | `AuthenticationFailure of V_err.t
  2. | `NoConfiguredCiphersuite of Ciphersuite.ciphersuite list
  3. | `NoConfiguredVersions of Core.tls_version list
  4. | `NoConfiguredSignatureAlgorithm of Core.signature_algorithm list
  5. | `NoMatchingCertificateFound of string
  6. | `NoCertificateConfigured
  7. | `CouldntSelectCertificate
]
val sexp_of_error : error -> Sexplib0.Sexp.t
type client_hello_errors = [
  1. | `EmptyCiphersuites
  2. | `NotSetCiphersuites of Packet.any_ciphersuite list
  3. | `NoSupportedCiphersuite of Packet.any_ciphersuite list
  4. | `NotSetExtension of Core.client_extension list
  5. | `HasSignatureAlgorithmsExtension
  6. | `NoSignatureAlgorithmsExtension
  7. | `NoGoodSignatureAlgorithms of Core.signature_algorithm list
  8. | `NoKeyShareExtension
  9. | `NoSupportedGroupExtension
  10. | `NotSetSupportedGroup of Packet.named_group list
  11. | `NotSetKeyShare of (Packet.named_group * Cstruct_sexp.t) list
  12. | `NotSubsetKeyShareSupportedGroup of Packet.named_group list * (Packet.named_group * Cstruct_sexp.t) list
  13. | `Has0rttAfterHRR
  14. | `NoCookie
]
val sexp_of_client_hello_errors : client_hello_errors -> Sexplib0.Sexp.t
type fatal = [
  1. | `NoSecureRenegotiation
  2. | `NoSupportedGroup
  3. | `NoVersions of Core.tls_any_version list
  4. | `ReaderError of Reader.error
  5. | `NoCertificateReceived
  6. | `NoCertificateVerifyReceived
  7. | `NotRSACertificate
  8. | `KeyTooSmall
  9. | `SignatureVerificationFailed of string
  10. | `SigningFailed of string
  11. | `BadCertificateChain
  12. | `MACMismatch
  13. | `MACUnderflow
  14. | `RecordOverflow of int
  15. | `UnknownRecordVersion of int * int
  16. | `UnknownContentType of int
  17. | `CannotHandleApplicationDataYet
  18. | `NoHeartbeat
  19. | `BadRecordVersion of Core.tls_any_version
  20. | `BadFinished
  21. | `HandshakeFragmentsNotEmpty
  22. | `InsufficientDH
  23. | `InvalidDH
  24. | `BadECDH of Ec_err.t
  25. | `InvalidRenegotiation
  26. | `InvalidClientHello of client_hello_errors
  27. | `InvalidServerHello
  28. | `InvalidRenegotiationVersion of Core.tls_version
  29. | `InappropriateFallback
  30. | `UnexpectedCCS
  31. | `UnexpectedHandshake of Core.tls_handshake
  32. | `InvalidCertificateUsage
  33. | `InvalidCertificateExtendedUsage
  34. | `InvalidSession
  35. | `NoApplicationProtocol
  36. | `HelloRetryRequest
  37. | `InvalidMessage
  38. | `Toomany0rttbytes
  39. | `MissingContentType
  40. | `Downgrade12
  41. | `Downgrade11
]
val sexp_of_fatal : fatal -> Sexplib0.Sexp.t
type failure = [
  1. | `Error of error
  2. | `Fatal of fatal
]
val sexp_of_failure : failure -> Sexplib0.Sexp.t
val common_data_to_epoch : common_session_data -> bool -> Core.Peer_name.t option -> Core.epoch_data
val epoch_of_session : bool -> Core.Peer_name.t option -> Core.tls_version -> [< `TLS of session_data | `TLS13 of session_data13 ] -> Core.epoch_data
val epoch_of_hs : handshake_state -> Core.epoch_data option