Source file digestif.ml
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
type bigstring =
( char,
Bigarray_compat.int8_unsigned_elt,
Bigarray_compat.c_layout )
Bigarray_compat.Array1.t
type 'a iter = ('a -> unit) -> unit
type 'a compare = 'a -> 'a -> int
type 'a equal = 'a -> 'a -> bool
type 'a pp = Format.formatter -> 'a -> unit
module Native = Digestif_native
module By = Digestif_by
module Bi = Digestif_bi
module Eq = Digestif_eq
module Hash = Digestif_hash
module Conv = Digestif_conv
let failwith fmt = Format.ksprintf failwith fmt
module type S = sig
val digest_size : int
type ctx
type kind
type t
val kind : kind
val empty : ctx
val init : unit -> ctx
val feed_bytes : ctx -> ?off:int -> ?len:int -> Bytes.t -> ctx
val feed_string : ctx -> ?off:int -> ?len:int -> String.t -> ctx
val feed_bigstring : ctx -> ?off:int -> ?len:int -> bigstring -> ctx
val feedi_bytes : ctx -> Bytes.t iter -> ctx
val feedi_string : ctx -> String.t iter -> ctx
val feedi_bigstring : ctx -> bigstring iter -> ctx
val get : ctx -> t
val digest_bytes : ?off:int -> ?len:int -> Bytes.t -> t
val digest_string : ?off:int -> ?len:int -> String.t -> t
val digest_bigstring : ?off:int -> ?len:int -> bigstring -> t
val digesti_bytes : Bytes.t iter -> t
val digesti_string : String.t iter -> t
val digesti_bigstring : bigstring iter -> t
val digestv_bytes : Bytes.t list -> t
val digestv_string : String.t list -> t
val digestv_bigstring : bigstring list -> t
val hmac_bytes : key:Bytes.t -> ?off:int -> ?len:int -> Bytes.t -> t
val hmac_string : key:String.t -> ?off:int -> ?len:int -> String.t -> t
val hmac_bigstring : key:bigstring -> ?off:int -> ?len:int -> bigstring -> t
val hmaci_bytes : key:Bytes.t -> Bytes.t iter -> t
val hmaci_string : key:String.t -> String.t iter -> t
val hmaci_bigstring : key:bigstring -> bigstring iter -> t
val hmacv_bytes : key:Bytes.t -> Bytes.t list -> t
val hmacv_string : key:String.t -> String.t list -> t
val hmacv_bigstring : key:bigstring -> bigstring list -> t
val unsafe_compare : t compare
val equal : t equal
val pp : t pp
val of_hex : string -> t
val of_hex_opt : string -> t option
val consistent_of_hex : string -> t
val consistent_of_hex_opt : string -> t option
val to_hex : t -> string
val of_raw_string : string -> t
val of_raw_string_opt : string -> t option
val to_raw_string : t -> string
end
module type MAC = sig
type t
val mac_bytes : key:Bytes.t -> ?off:int -> ?len:int -> Bytes.t -> t
val mac_string : key:String.t -> ?off:int -> ?len:int -> String.t -> t
val mac_bigstring : key:bigstring -> ?off:int -> ?len:int -> bigstring -> t
val maci_bytes : key:Bytes.t -> Bytes.t iter -> t
val maci_string : key:String.t -> String.t iter -> t
val maci_bigstring : key:bigstring -> bigstring iter -> t
val macv_bytes : key:Bytes.t -> Bytes.t list -> t
val macv_string : key:String.t -> String.t list -> t
val macv_bigstring : key:bigstring -> bigstring list -> t
end
module type Foreign = sig
open Native
type kind
module Bigstring : sig
val init : ctx -> unit
val update : ctx -> ba -> int -> int -> unit
val finalize : ctx -> ba -> int -> unit
end
module Bytes : sig
val init : ctx -> unit
val update : ctx -> st -> int -> int -> unit
val finalize : ctx -> st -> int -> unit
end
val ctx_size : unit -> int
end
module type Desc = sig
type kind
val block_size : int
val digest_size : int
val kind : kind
end
module Unsafe (F : Foreign) (D : Desc) = struct
let block_size = D.block_size
and digest_size = D.digest_size
and ctx_size = F.ctx_size ()
let init () =
let t = By.create ctx_size in
F.Bytes.init t ;
t
let empty =
let buf = Bytes.create ctx_size in
F.Bytes.init buf ;
buf
let unsafe_feed_bytes t ?off ?len buf =
let off, len =
match (off, len) with
| Some off, Some len -> (off, len)
| Some off, None -> (off, By.length buf - off)
| None, Some len -> (0, len)
| None, None -> (0, By.length buf) in
if off < 0 || len < 0 || off > By.length buf - len
then invalid_arg "offset out of bounds"
else F.Bytes.update t buf off len
let unsafe_feed_string t ?off ?len buf =
unsafe_feed_bytes t ?off ?len (Bytes.unsafe_of_string buf)
let unsafe_feed_bigstring t ?off ?len buf =
let off, len =
match (off, len) with
| Some off, Some len -> (off, len)
| Some off, None -> (off, Bi.length buf - off)
| None, Some len -> (0, len)
| None, None -> (0, Bi.length buf) in
if off < 0 || len < 0 || off > Bi.length buf - len
then invalid_arg "offset out of bounds"
else F.Bigstring.update t buf off len
let unsafe_get t =
let res = By.create digest_size in
By.fill res 0 digest_size '\000' ;
F.Bytes.finalize t res 0 ;
res
end
module Core (F : Foreign) (D : Desc) = struct
type t = string
type ctx = Native.ctx
type kind = F.kind
include Unsafe (F) (D)
include Conv.Make (D)
include Eq.Make (D)
let kind = D.kind
let get t =
let t = Native.dup t in
unsafe_get t |> By.unsafe_to_string
let feed_bytes t ?off ?len buf =
let t = Native.dup t in
unsafe_feed_bytes t ?off ?len buf ;
t
let feed_string t ?off ?len buf =
let t = Native.dup t in
unsafe_feed_string t ?off ?len buf ;
t
let feed_bigstring t ?off ?len buf =
let t = Native.dup t in
unsafe_feed_bigstring t ?off ?len buf ;
t
let feedi_bytes t iter =
let t = Native.dup t in
let feed buf = unsafe_feed_bytes t buf in
iter feed ;
t
let feedi_string t iter =
let t = Native.dup t in
let feed buf = unsafe_feed_string t buf in
iter feed ;
t
let feedi_bigstring t iter =
let t = Native.dup t in
let feed buf = unsafe_feed_bigstring t buf in
iter feed ;
t
let digest_bytes ?off ?len buf = feed_bytes empty ?off ?len buf |> get
let digest_string ?off ?len buf = feed_string empty ?off ?len buf |> get
let digest_bigstring ?off ?len buf = feed_bigstring empty ?off ?len buf |> get
let digesti_bytes iter = feedi_bytes empty iter |> get
let digesti_string iter = feedi_string empty iter |> get
let digesti_bigstring iter = feedi_bigstring empty iter |> get
let digestv_bytes lst = digesti_bytes (fun f -> List.iter f lst)
let digestv_string lst = digesti_string (fun f -> List.iter f lst)
let digestv_bigstring lst = digesti_bigstring (fun f -> List.iter f lst)
end
module Make (F : Foreign) (D : Desc) = struct
include Core (F) (D)
let bytes_opad = By.make block_size '\x5c'
let bytes_ipad = By.make block_size '\x36'
let rec norm_bytes key =
match Stdlib.compare (String.length key) block_size with
| 1 -> norm_bytes (digest_string key)
| -1 -> By.rpad (By.unsafe_of_string key) block_size '\000'
| _ -> By.of_string key
let bigstring_opad = Bi.init block_size (fun _ -> '\x5c')
let bigstring_ipad = Bi.init block_size (fun _ -> '\x36')
let norm_bigstring key =
let key = Bi.to_string key in
let res0 = norm_bytes key in
let res1 = Bi.create (By.length res0) in
Bi.blit_from_bytes res0 0 res1 0 (By.length res0) ;
res1
let hmaci_bytes ~key iter =
let key = norm_bytes (By.unsafe_to_string key) in
let outer = Native.XOR.Bytes.xor key bytes_opad in
let inner = Native.XOR.Bytes.xor key bytes_ipad in
let res =
digesti_bytes (fun f ->
f inner ;
iter f) in
digesti_bytes (fun f ->
f outer ;
f (By.unsafe_of_string res))
let hmaci_string ~key iter =
let key = norm_bytes key in
let outer = Native.XOR.Bytes.xor key bytes_opad in
let inner = Native.XOR.Bytes.xor key bytes_ipad in
let ctx = feed_bytes empty inner in
let res = feedi_string ctx iter |> get in
let ctx = feed_bytes empty outer in
feed_string ctx (res :> string) |> get
let hmaci_bigstring ~key iter =
let key = norm_bigstring key in
let outer = Native.XOR.Bigstring.xor key bigstring_opad in
let inner = Native.XOR.Bigstring.xor key bigstring_ipad in
let res =
digesti_bigstring (fun f ->
f inner ;
iter f) in
let ctx = feed_bigstring empty outer in
feed_string ctx (res :> string) |> get
let hmac_bytes ~key ?off ?len buf =
let buf =
match (off, len) with
| Some off, Some len -> By.sub buf off len
| Some off, None -> By.sub buf off (By.length buf - off)
| None, Some len -> By.sub buf 0 len
| None, None -> buf in
hmaci_bytes ~key (fun f -> f buf)
let hmac_string ~key ?off ?len buf =
let buf =
match (off, len) with
| Some off, Some len -> String.sub buf off len
| Some off, None -> String.sub buf off (String.length buf - off)
| None, Some len -> String.sub buf 0 len
| None, None -> buf in
hmaci_string ~key (fun f -> f buf)
let hmac_bigstring ~key ?off ?len buf =
let buf =
match (off, len) with
| Some off, Some len -> Bi.sub buf off len
| Some off, None -> Bi.sub buf off (Bi.length buf - off)
| None, Some len -> Bi.sub buf 0 len
| None, None -> buf in
hmaci_bigstring ~key (fun f -> f buf)
let hmacv_bytes ~key bufs = hmaci_bytes ~key (fun f -> List.iter f bufs)
let hmacv_string ~key bufs = hmaci_string ~key (fun f -> List.iter f bufs)
let hmacv_bigstring ~key bufs =
hmaci_bigstring ~key (fun f -> List.iter f bufs)
end
module type Foreign_BLAKE2 = sig
open Native
type kind
module Bigstring : sig
val update : ctx -> ba -> int -> int -> unit
val finalize : ctx -> ba -> int -> unit
val with_outlen_and_key : ctx -> int -> ba -> int -> int -> unit
end
module Bytes : sig
val update : ctx -> st -> int -> int -> unit
val finalize : ctx -> st -> int -> unit
val with_outlen_and_key : ctx -> int -> st -> int -> int -> unit
end
val max_outlen : unit -> int
val ctx_size : unit -> int
val key_size : unit -> int
end
module Make_BLAKE2 (F : Foreign_BLAKE2) (D : Desc) = struct
let () =
if D.digest_size > F.max_outlen ()
then
failwith "Invalid digest_size:%d to make a BLAKE2{S,B} implementation"
D.digest_size
include Make
(struct
type kind = F.kind
module Bigstring = struct
let init ctx =
F.Bigstring.with_outlen_and_key ctx D.digest_size Bi.empty 0 0
let update = F.Bigstring.update
let finalize = F.Bigstring.finalize
end
module Bytes = struct
let init ctx =
F.Bytes.with_outlen_and_key ctx D.digest_size By.empty 0 0
let update = F.Bytes.update
let finalize = F.Bytes.finalize
end
let ctx_size () = F.ctx_size ()
end)
(D)
type outer = t
module Keyed = struct
type t = outer
let key_size = F.key_size ()
let maci_bytes ~key iter : t =
if By.length key > key_size
then invalid_arg "BLAKE2{S,B}.Keyed.maci_bytes: invalid key" ;
let ctx = By.create ctx_size in
F.Bytes.with_outlen_and_key ctx digest_size key 0 (By.length key) ;
feedi_bytes ctx iter |> get
let maci_string ~key iter =
if String.length key > key_size
then invalid_arg "BLAKE2{S,B}.Keyed.maci_string: invalid key" ;
let ctx = By.create ctx_size in
F.Bytes.with_outlen_and_key ctx digest_size (By.unsafe_of_string key) 0
(String.length key) ;
feedi_string ctx iter |> get
let maci_bigstring ~key iter =
if Bi.length key > key_size
then invalid_arg "BLAKE2{S,B}.Keyed.maci_bigstring: invalid key" ;
let ctx = By.create ctx_size in
F.Bigstring.with_outlen_and_key ctx digest_size key 0 (Bi.length key) ;
feedi_bigstring ctx iter |> get
let mac_bytes ~key ?off ?len buf : t =
let buf =
match (off, len) with
| Some off, Some len -> By.sub buf off len
| Some off, None -> By.sub buf off (By.length buf - off)
| None, Some len -> By.sub buf 0 len
| None, None -> buf in
maci_bytes ~key (fun f -> f buf)
let mac_string ~key ?off ?len buf =
let buf =
match (off, len) with
| Some off, Some len -> String.sub buf off len
| Some off, None -> String.sub buf off (String.length buf - off)
| None, Some len -> String.sub buf 0 len
| None, None -> buf in
maci_string ~key (fun f -> f buf)
let mac_bigstring ~key ?off ?len buf =
let buf =
match (off, len) with
| Some off, Some len -> Bi.sub buf off len
| Some off, None -> Bi.sub buf off (Bi.length buf - off)
| None, Some len -> Bi.sub buf 0 len
| None, None -> buf in
maci_bigstring ~key (fun f -> f buf)
let macv_bytes ~key bufs = maci_bytes ~key (fun f -> List.iter f bufs)
let macv_string ~key bufs = maci_string ~key (fun f -> List.iter f bufs)
let macv_bigstring ~key bufs =
maci_bigstring ~key (fun f -> List.iter f bufs)
end
end
module MD5 : S with type kind = [ `MD5 ] =
Make
(Native.MD5)
(struct
let digest_size, block_size = (16, 64)
type kind = [ `MD5 ]
let kind = `MD5
end)
module SHA1 : S with type kind = [ `SHA1 ] =
Make
(Native.SHA1)
(struct
let digest_size, block_size = (20, 64)
type kind = [ `SHA1 ]
let kind = `SHA1
end)
module SHA224 : S with type kind = [ `SHA224 ] =
Make
(Native.SHA224)
(struct
let digest_size, block_size = (28, 64)
type kind = [ `SHA224 ]
let kind = `SHA224
end)
module SHA256 : S with type kind = [ `SHA256 ] =
Make
(Native.SHA256)
(struct
let digest_size, block_size = (32, 64)
type kind = [ `SHA256 ]
let kind = `SHA256
end)
module SHA384 : S with type kind = [ `SHA384 ] =
Make
(Native.SHA384)
(struct
let digest_size, block_size = (48, 128)
type kind = [ `SHA384 ]
let kind = `SHA384
end)
module SHA512 : S with type kind = [ `SHA512 ] =
Make
(Native.SHA512)
(struct
let digest_size, block_size = (64, 128)
type kind = [ `SHA512 ]
let kind = `SHA512
end)
module SHA3_224 : S with type kind = [ `SHA3_224 ] =
Make
(Native.SHA3_224)
(struct
let digest_size, block_size = (28, 144)
type kind = [ `SHA3_224 ]
let kind = `SHA3_224
end)
module SHA3_256 : S with type kind = [ `SHA3_256 ] =
Make
(Native.SHA3_256)
(struct
let digest_size, block_size = (32, 136)
type kind = [ `SHA3_256 ]
let kind = `SHA3_256
end)
module SHA3_384 : S with type kind = [ `SHA3_384 ] =
Make
(Native.SHA3_384)
(struct
let digest_size, block_size = (48, 104)
type kind = [ `SHA3_384 ]
let kind = `SHA3_384
end)
module SHA3_512 : S with type kind = [ `SHA3_512 ] =
Make
(Native.SHA3_512)
(struct
let digest_size, block_size = (64, 72)
type kind = [ `SHA3_512 ]
let kind = `SHA3_512
end)
module WHIRLPOOL : S with type kind = [ `WHIRLPOOL ] =
Make
(Native.WHIRLPOOL)
(struct
let digest_size, block_size = (64, 64)
type kind = [ `WHIRLPOOL ]
let kind = `WHIRLPOOL
end)
module BLAKE2B : sig
include S with type kind = [ `BLAKE2B ]
module Keyed : MAC with type t = t
end =
Make_BLAKE2
(Native.BLAKE2B)
(struct
let digest_size, block_size = (64, 128)
type kind = [ `BLAKE2B ]
let kind = `BLAKE2B
end)
module BLAKE2S : sig
include S with type kind = [ `BLAKE2S ]
module Keyed : MAC with type t = t
end =
Make_BLAKE2
(Native.BLAKE2S)
(struct
let digest_size, block_size = (32, 64)
type kind = [ `BLAKE2S ]
let kind = `BLAKE2S
end)
module RMD160 : S with type kind = [ `RMD160 ] =
Make
(Native.RMD160)
(struct
let digest_size, block_size = (20, 64)
type kind = [ `RMD160 ]
let kind = `RMD160
end)
module Make_BLAKE2B (D : sig
val digest_size : int
end) : S with type kind = [ `BLAKE2B ] = struct
include Make_BLAKE2
(Native.BLAKE2B)
(struct
let digest_size, block_size = (D.digest_size, 128)
type kind = [ `BLAKE2B ]
let kind = `BLAKE2B
end)
end
module Make_BLAKE2S (D : sig
val digest_size : int
end) : S with type kind = [ `BLAKE2S ] = struct
include Make_BLAKE2
(Native.BLAKE2S)
(struct
let digest_size, block_size = (D.digest_size, 64)
type kind = [ `BLAKE2S ]
let kind = `BLAKE2S
end)
end
include Hash
type blake2b = (module S with type kind = [ `BLAKE2B ])
type blake2s = (module S with type kind = [ `BLAKE2S ])
let module_of : type k. k hash -> (module S with type kind = k) =
fun hash ->
let b2b : (int, blake2b) Hashtbl.t = Hashtbl.create 13 in
let b2s : (int, blake2s) Hashtbl.t = Hashtbl.create 13 in
match hash with
| MD5 -> (module MD5)
| SHA1 -> (module SHA1)
| RMD160 -> (module RMD160)
| SHA224 -> (module SHA224)
| SHA256 -> (module SHA256)
| SHA384 -> (module SHA384)
| SHA512 -> (module SHA512)
| SHA3_224 -> (module SHA3_224)
| SHA3_256 -> (module SHA3_256)
| SHA3_384 -> (module SHA3_384)
| SHA3_512 -> (module SHA3_512)
| WHIRLPOOL -> (module WHIRLPOOL)
| BLAKE2B digest_size -> (
match Hashtbl.find b2b digest_size with
| exception Not_found ->
let m : (module S with type kind = [ `BLAKE2B ]) =
(module Make_BLAKE2B (struct
let digest_size = digest_size
end) : S
with type kind = [ `BLAKE2B ]) in
Hashtbl.replace b2b digest_size m ;
m
| m -> m)
| BLAKE2S digest_size ->
match Hashtbl.find b2s digest_size with
| exception Not_found ->
let m =
(module Make_BLAKE2S (struct
let digest_size = digest_size
end) : S
with type kind = [ `BLAKE2S ]) in
Hashtbl.replace b2s digest_size m ;
m
| m -> m
type 'kind t = string
let digest_bytes : type k. k hash -> Bytes.t -> k t =
fun hash buf ->
let module H = (val module_of hash) in
(H.to_raw_string (H.digest_bytes buf) : H.kind t)
let digest_string : type k. k hash -> String.t -> k t =
fun hash buf ->
let module H = (val module_of hash) in
(H.to_raw_string (H.digest_string buf) : H.kind t)
let digest_bigstring : type k. k hash -> bigstring -> k t =
fun hash buf ->
let module H = (val module_of hash) in
(H.to_raw_string (H.digest_bigstring buf) : H.kind t)
let digesti_bytes : type k. k hash -> Bytes.t iter -> k t =
fun hash iter ->
let module H = (val module_of hash) in
(H.to_raw_string (H.digesti_bytes iter) : H.kind t)
let digesti_string : type k. k hash -> String.t iter -> k t =
fun hash iter ->
let module H = (val module_of hash) in
(H.to_raw_string (H.digesti_string iter) : H.kind t)
let digesti_bigstring : type k. k hash -> bigstring iter -> k t =
fun hash iter ->
let module H = (val module_of hash) in
(H.to_raw_string (H.digesti_bigstring iter) : H.kind t)
let hmaci_bytes : type k. k hash -> key:Bytes.t -> Bytes.t iter -> k t =
fun hash ~key iter ->
let module H = (val module_of hash) in
(H.to_raw_string (H.hmaci_bytes ~key iter) : H.kind t)
let hmaci_string : type k. k hash -> key:String.t -> String.t iter -> k t =
fun hash ~key iter ->
let module H = (val module_of hash) in
(H.to_raw_string (H.hmaci_string ~key iter) : H.kind t)
let hmaci_bigstring : type k. k hash -> key:bigstring -> bigstring iter -> k t =
fun hash ~key iter ->
let module H = (val module_of hash) in
(H.to_raw_string (H.hmaci_bigstring ~key iter) : H.kind t)
let unsafe_compare : type k. k hash -> k t -> k t -> int =
fun hash a b ->
let module H = (val module_of hash) in
let unsafe : 'k t -> H.t = H.of_raw_string in
H.unsafe_compare (unsafe a) (unsafe b)
let equal : type k. k hash -> k t equal =
fun hash a b ->
let module H = (val module_of hash) in
let unsafe : 'k t -> H.t = H.of_raw_string in
H.equal (unsafe a) (unsafe b)
let pp : type k. k hash -> k t pp =
fun hash ppf t ->
let module H = (val module_of hash) in
let unsafe : 'k t -> H.t = H.of_raw_string in
H.pp ppf (unsafe t)
let consistent_of_hex : type k. k hash -> string -> k t =
fun hash hex ->
let module H = (val module_of hash) in
H.to_raw_string (H.consistent_of_hex hex)
let consistent_of_hex_opt : type k. k hash -> string -> k t option =
fun hash hex ->
let module H = (val module_of hash) in
match H.consistent_of_hex_opt hex with
| None -> None
| Some digest -> Some (H.to_raw_string digest)
let of_hex : type k. k hash -> string -> k t =
fun hash hex ->
let module H = (val module_of hash) in
H.to_raw_string (H.of_hex hex)
let of_hex_opt : type k. k hash -> string -> k t option =
fun hash hex ->
let module H = (val module_of hash) in
match H.of_hex_opt hex with
| None -> None
| Some digest -> Some (H.to_raw_string digest)
let to_hex : type k. k hash -> k t -> string =
fun hash t ->
let module H = (val module_of hash) in
let unsafe : 'k t -> H.t = H.of_raw_string in
H.to_hex (unsafe t)
let of_raw_string : type k. k hash -> string -> k t =
fun hash s ->
let module H = (val module_of hash) in
let unsafe : H.t -> 'k t = H.to_raw_string in
unsafe (H.of_raw_string s)
let of_raw_string_opt : type k. k hash -> string -> k t option =
fun hash s ->
let module H = (val module_of hash) in
let unsafe : H.t -> 'k t = H.to_raw_string in
match H.of_raw_string_opt s with
| None -> None
| Some digest -> Some (unsafe digest)
let to_raw_string : type k. k hash -> k t -> string = fun _ t -> t
let of_digest (type hash kind)
(module H : S with type t = hash and type kind = kind) (hash : H.t) : kind t
=
H.to_raw_string hash
let of_md5 hash = of_raw_string md5 (MD5.to_raw_string hash)
let of_sha1 hash = of_raw_string sha1 (SHA1.to_raw_string hash)
let of_rmd160 hash = of_raw_string rmd160 (RMD160.to_raw_string hash)
let of_sha224 hash = of_raw_string sha224 (SHA224.to_raw_string hash)
let of_sha256 hash = of_raw_string sha256 (SHA256.to_raw_string hash)
let of_sha384 hash = of_raw_string sha384 (SHA384.to_raw_string hash)
let of_sha512 hash = of_raw_string sha512 (SHA512.to_raw_string hash)
let of_sha3_224 hash = of_raw_string sha3_224 (SHA3_224.to_raw_string hash)
let of_sha3_256 hash = of_raw_string sha3_256 (SHA3_256.to_raw_string hash)
let of_sha3_384 hash = of_raw_string sha3_384 (SHA3_384.to_raw_string hash)
let of_sha3_512 hash = of_raw_string sha3_512 (SHA3_512.to_raw_string hash)
let of_whirlpool hash = of_raw_string whirlpool (WHIRLPOOL.to_raw_string hash)
let of_blake2b hash =
of_raw_string (blake2b BLAKE2B.digest_size) (BLAKE2B.to_raw_string hash)
let of_blake2s hash =
of_raw_string (blake2s BLAKE2S.digest_size) (BLAKE2S.to_raw_string hash)