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Module Netsys_crypto_modes.Symmetric_cipher

module Symmetric_cipher: sig .. end

Access symmetric ciphers

type sc_ctx = {
   set_iv : string -> unit;
   set_header : string -> unit;
   encrypt : Netsys_types.memory -> Netsys_types.memory -> unit;
   decrypt : Netsys_types.memory -> Netsys_types.memory -> bool;
   mac : unit -> string;
} 
type sc = {
   name : string;
   mode : string;
   key_lengths : (int * int) list;
   iv_lengths : (int * int) list;
   block_constraint : int;
   supports_aead : bool;
   create : string -> sc_ctx;
} 
val extract : (module Netsys_crypto_types.SYMMETRIC_CRYPTO) ->
       string * string -> sc

extract scrypto (name,mode): returns the cipher called name in mode as scipher, or raises Not_found

val extract_all : (module Netsys_crypto_types.SYMMETRIC_CRYPTO) ->
       sc list

Extracts all ciphers

val cbc_of_ecb : sc ->
       sc

For a given cipher in ECB mode, a new cipher in CBC mode is returned. Raises Not_found if the input is not in ECB mode.

val ofb_of_ecb : sc ->
       sc

For a given cipher in ECB mode, a new cipher in OFB mode is returned. Raises Not_found if the input is not in ECB mode.

val ctr_of_ecb : sc ->
       sc

For a given cipher in ECB mode, a new cipher in CTR mode is returned. Raises Not_found if the input is not in ECB mode.

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