Crypt-Spritz/Spritz.xs

#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"

#include "perlmulticore.h"

#include "spritz/spritz.c"

typedef spritz_state *Crypt__Spritz;
#if 0
typedef spritz_state *Crypt__Spritz__CIPHER;
typedef spritz_state *Crypt__Spritz__CIPHER__XOR;
typedef spritz_state *Crypt__Spritz__HASH;
typedef spritz_state *Crypt__Spritz__MAC;
typedef spritz_state *Crypt__Spritz__AEAD;
typedef spritz_state *Crypt__Spritz__AEAD__XOR;
#endif

static SV *
alloc_pv (STRLEN len)
{
  SV *r = newSV (len);

  sv_upgrade (r, SVt_PV);
  SvCUR_set (r, len);
  SvPOK_only (r);
  *SvEND (r) = 0;

  return r;
}

static SV *
alloc_state (SV *klass)
{
  SV *r = alloc_pv (sizeof (spritz_state));

  return sv_bless (newRV_noinc (r), gv_stashsv (klass, GV_ADD));
}

static spritz_state *
get_state (SV *sv)
{
  if (!sv_derived_from (sv, "Crypt::Spritz::Base"))
    croak ("object is not of type Crypt::Spritz::Base");

  sv = SvRV (sv);

  /* this can happen when the objhetc is serialised, which isn't officially supported */
  if (SvUTF8 (sv))
    sv_utf8_downgrade (sv, 0);

  return (spritz_state *)SvPVX (sv);
}

MODULE = Crypt::Spritz          PACKAGE = Crypt::Spritz::Base

SV *
clone (SV *self)
        CODE:
        /* no type check... too bad */
        self = SvRV (self);
        RETVAL = sv_bless (newRV_noinc (newSVsv (self)), SvSTASH (self));
        OUTPUT:
        RETVAL

MODULE = Crypt::Spritz          PACKAGE = Crypt::Spritz         PREFIX = spritz_

PROTOTYPES: ENABLE

SV *
new (SV *klass)
        CODE:
        RETVAL = alloc_state (klass);
        spritz_init ((spritz_state *)SvPVX (SvRV (RETVAL)));
        OUTPUT:
        RETVAL

void spritz_init (Crypt::Spritz self)

void spritz_update (Crypt::Spritz self)

void spritz_whip (Crypt::Spritz self, UV r)

void spritz_crush (Crypt::Spritz self)

void spritz_shuffle (Crypt::Spritz self)

void spritz_absorb_stop (Crypt::Spritz self)

void spritz_absorb (Crypt::Spritz self, SV *data)
        ALIAS:
        absorb_and_stop = 1
        CODE:
{
        STRLEN len; char *ptr = SvPVbyte (data, len);

        if (len > 400) perlinterp_release ();

        spritz_absorb (self, ptr, len);

        if (ix)
          spritz_absorb_stop (self);

        if (len > 400) perlinterp_acquire ();
}

U8 spritz_output (Crypt::Spritz self)

U8 spritz_drip (Crypt::Spritz self)

SV *
spritz_squeeze (Crypt::Spritz self, STRLEN len)
        CODE:
        RETVAL = alloc_pv (len);
        spritz_squeeze (self, SvPVX (RETVAL), len);
        OUTPUT:
        RETVAL

MODULE = Crypt::Spritz          PACKAGE = Crypt::Spritz::Cipher                 PREFIX = spritz_cipher_xor_

SV *
new (SV *klass, SV *K, SV *IV = 0)
        CODE:
{
        STRLEN k_len     ; char *k  =      SvPVbyte (K , k_len );
        STRLEN iv_len = 0; char *iv = IV ? SvPVbyte (IV, iv_len) : 0;
        RETVAL = alloc_state (klass);
        spritz_cipher_xor_init ((spritz_state *)SvPVX (SvRV (RETVAL)), k, k_len, iv, iv_len);
}
        OUTPUT:
        RETVAL

MODULE = Crypt::Spritz          PACKAGE = Crypt::Spritz::Cipher         PREFIX = spritz_cipher_

SV *
encrypt (Crypt::Spritz self, SV *I)
        ALIAS:
        encrypt                           = 0
        decrypt                           = 1
        Crypt::Spritz::Cipher::XOR::crypt = 2
        Crypt::Spritz::AEAD::encrypt      = 3
        Crypt::Spritz::AEAD::decrypt      = 4
        Crypt::Spritz::AEAD::XOR::crypt   = 5
        CODE:
        static void (*f[])(spritz_state *s, const void *I, void *O, size_t len) = {
          spritz_cipher_encrypt,
          spritz_cipher_decrypt,
          spritz_cipher_xor_crypt,
          spritz_aead_encrypt,
          spritz_aead_decrypt,
          spritz_aead_xor_crypt
        };
{
        STRLEN len; char *ptr = SvPVbyte (I, len);
        char *retval;
        STRLEN slow_len = ix < 3 ? 4000 : 400;
        RETVAL = alloc_pv (len);
        retval = SvPVX (RETVAL);
        if (len > slow_len) perlinterp_release ();
        f[ix](self, ptr, retval, len);
        if (len > slow_len) perlinterp_acquire ();
}
        OUTPUT:
        RETVAL

MODULE = Crypt::Spritz          PACKAGE = Crypt::Spritz::Cipher::XOR            PREFIX = spritz_cipher_xor_

# crypt == Spritz::Cipher::crypt (xs-alias)

void
crypt_inplace (Crypt::Spritz self, SV *I)
        CODE:
        sv_force_normal (I);
{
        STRLEN len; char *ptr = SvPVbyte (I, len);
        if (len > 4000) perlinterp_release ();
        spritz_cipher_xor_crypt (self, ptr, ptr, len);
        if (len > 4000) perlinterp_acquire ();
}

MODULE = Crypt::Spritz          PACKAGE = Crypt::Spritz::Hash   PREFIX = spritz_hash_

# new == Spritz::new (inherit)
# add == absorb (alias)

SV *
spritz_hash_finish (Crypt::Spritz self, STRLEN len)
        CODE:
        char *retval;
        RETVAL = alloc_pv (len);
        spritz_hash_finish (self, SvPVX (RETVAL), len);
        OUTPUT:
        RETVAL

MODULE = Crypt::Spritz          PACKAGE = Crypt::Spritz::MAC    PREFIX = spritz_mac_

SV *
new (SV *klass, SV *K)
        CODE:
{
        STRLEN len; char *ptr = SvPVbyte (K, len);
        RETVAL = alloc_state (klass);
        spritz_mac_init ((spritz_state *)SvPVX (SvRV (RETVAL)), ptr, len);
}
        OUTPUT:
        RETVAL

# add    == Spritz::HASH::add    (inherit)
# finish == Spritz::HASH::finish (inherit)

MODULE = Crypt::Spritz          PACKAGE = Crypt::Spritz::AEAD           PREFIX = spritz_aead_

# new             == Spritz::MAC::new      (inherit)
# nonce           == absorb_and_stop       (alias)
# associated_data == absorb_and_stop       (alias)
# encrypt         == Spritz::Cipher::crypt (xs-alias)
# decrypt         == Spritz::Cipher::crypt (xs-alias)
# finish          == Spritz::MAC::finish   (alias)

MODULE = Crypt::Spritz          PACKAGE = Crypt::Spritz::AEAD::XOR      PREFIX = spritz_aead_xor_

# new             == Spritz::MAC::new               (inherit)
# nonce           == Spritz::AEAD::nonce            (inherit)
# associated_data == Spritz::AEAD::associated_data  (inherit)
# crypt           == Spritz::Cipher::crypt          (xs-alias)
# finish          == Spritz::AEAD::finish           (inherit)

void
crypt_inplace (Crypt::Spritz self, SV *I)
        CODE:
        sv_force_normal (I);
{
        STRLEN len; char *ptr = SvPVbyte (I, len);
        if (len > 400) perlinterp_release ();
        spritz_aead_xor_crypt (self, ptr, ptr, len);
        if (len > 400) perlinterp_acquire ();
}

MODULE = Crypt::Spritz          PACKAGE = Crypt::Spritz::PRNG   PREFIX = spritz_prng_

SV *
new (SV *klass, SV *S = 0)
        CODE:
{
        STRLEN len = 0; char *ptr = S ? SvPVbyte (S, len) : 0;
        RETVAL = alloc_state (klass);
        spritz_prng_init ((spritz_state *)SvPVX (SvRV (RETVAL)), ptr, len);
}
        OUTPUT:
        RETVAL

# add == absorb  (alias)
# get == squeeze (alias)

Revision:	1.9
Committed:	Tue Jun 30 01:24:43 2015 UTC (8 years, 10 months ago) by root
Branch:	MAIN
CVS Tags:	rel-1_02, rel-1_01, HEAD
Changes since 1.8:	+1 -1 lines
Log Message:	1.01
#	User	Rev	Content
1	root	1.1	#include "EXTERN.h"
2			#include "perl.h"
3			#include "XSUB.h"
4
5	root	1.8	#include "perlmulticore.h"
6
7	root	1.1	#include "spritz/spritz.c"
8
9			typedef spritz_state *Crypt__Spritz;
10			#if 0
11			typedef spritz_state *Crypt__Spritz__CIPHER;
12			typedef spritz_state *Crypt__Spritz__CIPHER__XOR;
13			typedef spritz_state *Crypt__Spritz__HASH;
14			typedef spritz_state *Crypt__Spritz__MAC;
15			typedef spritz_state *Crypt__Spritz__AEAD;
16			typedef spritz_state *Crypt__Spritz__AEAD__XOR;
17			#endif
18
19			static SV *
20			alloc_pv (STRLEN len)
21			{
22			SV *r = newSV (len);
23
24			sv_upgrade (r, SVt_PV);
25			SvCUR_set (r, len);
26			SvPOK_only (r);
27	root	1.7	*SvEND (r) = 0;
28	root	1.1
29			return r;
30			}
31
32			static SV *
33	root	1.2	alloc_state (SV *klass)
34	root	1.1	{
35			SV *r = alloc_pv (sizeof (spritz_state));
36
37			return sv_bless (newRV_noinc (r), gv_stashsv (klass, GV_ADD));
38			}
39
40			static spritz_state *
41			get_state (SV *sv)
42			{
43	root	1.4	if (!sv_derived_from (sv, "Crypt::Spritz::Base"))
44			croak ("object is not of type Crypt::Spritz::Base");
45	root	1.1
46			sv = SvRV (sv);
47
48			/* this can happen when the objhetc is serialised, which isn't officially supported */
49			if (SvUTF8 (sv))
50			sv_utf8_downgrade (sv, 0);
51
52			return (spritz_state *)SvPVX (sv);
53			}
54
55	root	1.5	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Base
56
57			SV *
58			clone (SV *self)
59			CODE:
60			/* no type check... too bad */
61			self = SvRV (self);
62			RETVAL = sv_bless (newRV_noinc (newSVsv (self)), SvSTASH (self));
63			OUTPUT:
64			RETVAL
65
66	root	1.1	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz PREFIX = spritz_
67
68			PROTOTYPES: ENABLE
69
70			SV *
71			new (SV *klass)
72			CODE:
73	root	1.2	RETVAL = alloc_state (klass);
74	root	1.1	spritz_init ((spritz_state *)SvPVX (SvRV (RETVAL)));
75			OUTPUT:
76			RETVAL
77
78			void spritz_init (Crypt::Spritz self)
79
80			void spritz_update (Crypt::Spritz self)
81
82			void spritz_whip (Crypt::Spritz self, UV r)
83
84			void spritz_crush (Crypt::Spritz self)
85
86			void spritz_shuffle (Crypt::Spritz self)
87
88			void spritz_absorb_stop (Crypt::Spritz self)
89
90			void spritz_absorb (Crypt::Spritz self, SV *data)
91			ALIAS:
92	root	1.2	absorb_and_stop = 1
93	root	1.1	CODE:
94			{
95			STRLEN len; char *ptr = SvPVbyte (data, len);
96
97	root	1.8	if (len > 400) perlinterp_release ();
98
99	root	1.1	spritz_absorb (self, ptr, len);
100
101			if (ix)
102			spritz_absorb_stop (self);
103	root	1.8
104			if (len > 400) perlinterp_acquire ();
105	root	1.1	}
106
107			U8 spritz_output (Crypt::Spritz self)
108
109			U8 spritz_drip (Crypt::Spritz self)
110
111			SV *
112			spritz_squeeze (Crypt::Spritz self, STRLEN len)
113			CODE:
114			RETVAL = alloc_pv (len);
115			spritz_squeeze (self, SvPVX (RETVAL), len);
116			OUTPUT:
117			RETVAL
118
119	root	1.4	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Cipher PREFIX = spritz_cipher_xor_
120	root	1.1
121			SV *
122			new (SV klass, SV K, SV *IV = 0)
123			CODE:
124			{
125			STRLEN k_len ; char *k = SvPVbyte (K , k_len );
126	root	1.9	STRLEN iv_len = 0; char *iv = IV ? SvPVbyte (IV, iv_len) : 0;
127	root	1.2	RETVAL = alloc_state (klass);
128	root	1.1	spritz_cipher_xor_init ((spritz_state *)SvPVX (SvRV (RETVAL)), k, k_len, iv, iv_len);
129			}
130			OUTPUT:
131			RETVAL
132
133	root	1.6	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Cipher PREFIX = spritz_cipher_
134	root	1.4
135	root	1.1	SV *
136	root	1.6	encrypt (Crypt::Spritz self, SV *I)
137			ALIAS:
138			encrypt = 0
139			decrypt = 1
140			Crypt::Spritz::Cipher::XOR::crypt = 2
141			Crypt::Spritz::AEAD::encrypt = 3
142			Crypt::Spritz::AEAD::decrypt = 4
143			Crypt::Spritz::AEAD::XOR::crypt = 5
144			CODE:
145			static void (f[])(spritz_state s, const void I, void O, size_t len) = {
146			spritz_cipher_encrypt,
147			spritz_cipher_decrypt,
148			spritz_cipher_xor_crypt,
149			spritz_aead_encrypt,
150			spritz_aead_decrypt,
151			spritz_aead_xor_crypt
152			};
153	root	1.1	{
154			STRLEN len; char *ptr = SvPVbyte (I, len);
155	root	1.8	char *retval;
156			STRLEN slow_len = ix < 3 ? 4000 : 400;
157	root	1.1	RETVAL = alloc_pv (len);
158	root	1.8	retval = SvPVX (RETVAL);
159			if (len > slow_len) perlinterp_release ();
160			f[ix](self, ptr, retval, len);
161			if (len > slow_len) perlinterp_acquire ();
162	root	1.1	}
163			OUTPUT:
164			RETVAL
165
166	root	1.6	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Cipher::XOR PREFIX = spritz_cipher_xor_
167
168			# crypt == Spritz::Cipher::crypt (xs-alias)
169
170	root	1.1	void
171			crypt_inplace (Crypt::Spritz self, SV *I)
172			CODE:
173	root	1.3	sv_force_normal (I);
174	root	1.1	{
175			STRLEN len; char *ptr = SvPVbyte (I, len);
176	root	1.8	if (len > 4000) perlinterp_release ();
177	root	1.1	spritz_cipher_xor_crypt (self, ptr, ptr, len);
178	root	1.8	if (len > 4000) perlinterp_acquire ();
179	root	1.1	}
180
181	root	1.2	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Hash PREFIX = spritz_hash_
182	root	1.1
183			# new == Spritz::new (inherit)
184			# add == absorb (alias)
185
186			SV *
187			spritz_hash_finish (Crypt::Spritz self, STRLEN len)
188			CODE:
189	root	1.8	char *retval;
190	root	1.1	RETVAL = alloc_pv (len);
191			spritz_hash_finish (self, SvPVX (RETVAL), len);
192			OUTPUT:
193			RETVAL
194
195			MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::MAC PREFIX = spritz_mac_
196
197			SV *
198			new (SV klass, SV K)
199			CODE:
200			{
201			STRLEN len; char *ptr = SvPVbyte (K, len);
202	root	1.2	RETVAL = alloc_state (klass);
203	root	1.1	spritz_mac_init ((spritz_state *)SvPVX (SvRV (RETVAL)), ptr, len);
204			}
205			OUTPUT:
206			RETVAL
207
208			# add == Spritz::HASH::add (inherit)
209			# finish == Spritz::HASH::finish (inherit)
210
211	root	1.6	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::AEAD PREFIX = spritz_aead_
212	root	1.1
213	root	1.6	# new == Spritz::MAC::new (inherit)
214			# nonce == absorb_and_stop (alias)
215			# associated_data == absorb_and_stop (alias)
216			# encrypt == Spritz::Cipher::crypt (xs-alias)
217			# decrypt == Spritz::Cipher::crypt (xs-alias)
218			# finish == Spritz::MAC::finish (alias)
219	root	1.1
220	root	1.4	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::AEAD::XOR PREFIX = spritz_aead_xor_
221
222			# new == Spritz::MAC::new (inherit)
223			# nonce == Spritz::AEAD::nonce (inherit)
224			# associated_data == Spritz::AEAD::associated_data (inherit)
225	root	1.6	# crypt == Spritz::Cipher::crypt (xs-alias)
226	root	1.4	# finish == Spritz::AEAD::finish (inherit)
227
228	root	1.1	void
229			crypt_inplace (Crypt::Spritz self, SV *I)
230			CODE:
231	root	1.3	sv_force_normal (I);
232	root	1.1	{
233			STRLEN len; char *ptr = SvPVbyte (I, len);
234	root	1.8	if (len > 400) perlinterp_release ();
235	root	1.1	spritz_aead_xor_crypt (self, ptr, ptr, len);
236	root	1.8	if (len > 400) perlinterp_acquire ();
237	root	1.1	}
238
239			MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::PRNG PREFIX = spritz_prng_
240
241			SV *
242			new (SV klass, SV S = 0)
243			CODE:
244			{
245			STRLEN len = 0; char *ptr = S ? SvPVbyte (S, len) : 0;
246	root	1.2	RETVAL = alloc_state (klass);
247	root	1.1	spritz_prng_init ((spritz_state *)SvPVX (SvRV (RETVAL)), ptr, len);
248			}
249			OUTPUT:
250			RETVAL
251
252			# add == absorb (alias)
253			# get == squeeze (alias)
254