Pdfcryptprimitives (p.camlpdf.2.5.3.doc.camlpdf.Pdfcryptprimitives)

type encryption =

| ARC4 of int * int
| AESV2
| AESV3 of bool

val aes_cook_encrypt_key : string -> string

val aes_cook_decrypt_key : string -> string

val aes_encrypt : 
  string ->
  Pdfio.caml_bytes ->
  int ->
  Pdfio.caml_bytes ->
  int ->
  unit

val aes_decrypt : 
  string ->
  Pdfio.caml_bytes ->
  int ->
  Pdfio.caml_bytes ->
  int ->
  unit

val sha_256 : string -> string

val sha_384 : string -> string

val sha_512 : string -> string

val key_expansion : 'a -> int array -> string

val key_expansion_decrypt : 'a -> int array -> string

val ksa : int array -> int array -> unit

val prga : int array -> int ref -> int ref -> int

val crypt : int array -> Pdfio.bytes -> Pdfio.bytes

val ran255 : unit -> int

val mkiv : unit -> int array

val get_blocks : Pdfio.bytes -> int array list

val bytes_of_blocks : int array list -> Pdfio.bytes

val get_padding : Pdfio.bytes -> int option

val cutshort : Pdfio.bytes -> Pdfio.bytes

val print_txt : Pdfio.bytes -> int -> unit

val aes_decrypt_data : 
  ?remove_padding:bool ->
  'a ->
  int array ->
  Pdfio.bytes ->
  Pdfio.bytes

val aes_decrypt_data_ecb : 
  ?remove_padding:bool ->
  'a ->
  int array ->
  Pdfio.bytes ->
  Pdfio.bytes

val aes_encrypt_data : 
  ?firstblock:int array ->
  'a ->
  int array ->
  Pdfio.bytes ->
  Pdfio.bytes

val aes_encrypt_data_ecb : 'a -> int array -> Pdfio.bytes -> Pdfio.bytes

val string_of_input : Pdfio.input -> string

val sha256 : Pdfio.input -> string

val sha384 : Pdfio.input -> string

val sha512 : Pdfio.input -> string

val find_hash : encryption -> int32 -> int32 -> int array -> int -> int array

val decrypt_stream_data : 
  encryption ->
  bool ->
  string option ->
  int ->
  int ->
  int array ->
  int ->
  int ->
  Pdfio.bytes ->
  Pdfio.bytes