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
#	Content
1	#include "EXTERN.h"
2	#include "perl.h"
3	#include "XSUB.h"
4
5	#include "perlmulticore.h"
6
7	#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	*SvEND (r) = 0;
28
29	return r;
30	}
31
32	static SV *
33	alloc_state (SV *klass)
34	{
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	if (!sv_derived_from (sv, "Crypt::Spritz::Base"))
44	croak ("object is not of type Crypt::Spritz::Base");
45
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	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	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz PREFIX = spritz_
67
68	PROTOTYPES: ENABLE
69
70	SV *
71	new (SV *klass)
72	CODE:
73	RETVAL = alloc_state (klass);
74	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	absorb_and_stop = 1
93	CODE:
94	{
95	STRLEN len; char *ptr = SvPVbyte (data, len);
96
97	if (len > 400) perlinterp_release ();
98
99	spritz_absorb (self, ptr, len);
100
101	if (ix)
102	spritz_absorb_stop (self);
103
104	if (len > 400) perlinterp_acquire ();
105	}
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	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Cipher PREFIX = spritz_cipher_xor_
120
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	STRLEN iv_len = 0; char *iv = IV ? SvPVbyte (IV, iv_len) : 0;
127	RETVAL = alloc_state (klass);
128	spritz_cipher_xor_init ((spritz_state *)SvPVX (SvRV (RETVAL)), k, k_len, iv, iv_len);
129	}
130	OUTPUT:
131	RETVAL
132
133	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Cipher PREFIX = spritz_cipher_
134
135	SV *
136	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	{
154	STRLEN len; char *ptr = SvPVbyte (I, len);
155	char *retval;
156	STRLEN slow_len = ix < 3 ? 4000 : 400;
157	RETVAL = alloc_pv (len);
158	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	}
163	OUTPUT:
164	RETVAL
165
166	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Cipher::XOR PREFIX = spritz_cipher_xor_
167
168	# crypt == Spritz::Cipher::crypt (xs-alias)
169
170	void
171	crypt_inplace (Crypt::Spritz self, SV *I)
172	CODE:
173	sv_force_normal (I);
174	{
175	STRLEN len; char *ptr = SvPVbyte (I, len);
176	if (len > 4000) perlinterp_release ();
177	spritz_cipher_xor_crypt (self, ptr, ptr, len);
178	if (len > 4000) perlinterp_acquire ();
179	}
180
181	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Hash PREFIX = spritz_hash_
182
183	# new == Spritz::new (inherit)
184	# add == absorb (alias)
185
186	SV *
187	spritz_hash_finish (Crypt::Spritz self, STRLEN len)
188	CODE:
189	char *retval;
190	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	RETVAL = alloc_state (klass);
203	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	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::AEAD PREFIX = spritz_aead_
212
213	# 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
220	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	# crypt == Spritz::Cipher::crypt (xs-alias)
226	# finish == Spritz::AEAD::finish (inherit)
227
228	void
229	crypt_inplace (Crypt::Spritz self, SV *I)
230	CODE:
231	sv_force_normal (I);
232	{
233	STRLEN len; char *ptr = SvPVbyte (I, len);
234	if (len > 400) perlinterp_release ();
235	spritz_aead_xor_crypt (self, ptr, ptr, len);
236	if (len > 400) perlinterp_acquire ();
237	}
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	RETVAL = alloc_state (klass);
247	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