Crypt-Spritz/Spritz.xs

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

        spritz_absorb (self, ptr, len);

        if (ix)
          spritz_absorb_stop (self);
}

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);
        RETVAL = alloc_pv (len);
        f[ix](self, ptr, SvPVX (RETVAL), len);
}
        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);
        spritz_cipher_xor_crypt (self, ptr, ptr, len);
}

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:
        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);
        spritz_aead_xor_crypt (self, ptr, ptr, len);
}

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:	1.7
Committed:	Sat Jan 10 09:14:53 2015 UTC (9 years, 4 months ago) by root
Branch:	MAIN
CVS Tags:	rel-0_2
Changes since 1.6:	+1 -1 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	#include "EXTERN.h"
2			#include "perl.h"
3			#include "XSUB.h"
4
5			#include "spritz/spritz.c"
6
7			typedef spritz_state *Crypt__Spritz;
8			#if 0
9			typedef spritz_state *Crypt__Spritz__CIPHER;
10			typedef spritz_state *Crypt__Spritz__CIPHER__XOR;
11			typedef spritz_state *Crypt__Spritz__HASH;
12			typedef spritz_state *Crypt__Spritz__MAC;
13			typedef spritz_state *Crypt__Spritz__AEAD;
14			typedef spritz_state *Crypt__Spritz__AEAD__XOR;
15			#endif
16
17			static SV *
18			alloc_pv (STRLEN len)
19			{
20			SV *r = newSV (len);
21
22			sv_upgrade (r, SVt_PV);
23			SvCUR_set (r, len);
24			SvPOK_only (r);
25	root	1.7	*SvEND (r) = 0;
26	root	1.1
27			return r;
28			}
29
30			static SV *
31	root	1.2	alloc_state (SV *klass)
32	root	1.1	{
33			SV *r = alloc_pv (sizeof (spritz_state));
34
35			return sv_bless (newRV_noinc (r), gv_stashsv (klass, GV_ADD));
36			}
37
38			static spritz_state *
39			get_state (SV *sv)
40			{
41	root	1.4	if (!sv_derived_from (sv, "Crypt::Spritz::Base"))
42			croak ("object is not of type Crypt::Spritz::Base");
43	root	1.1
44			sv = SvRV (sv);
45
46			/* this can happen when the objhetc is serialised, which isn't officially supported */
47			if (SvUTF8 (sv))
48			sv_utf8_downgrade (sv, 0);
49
50			return (spritz_state *)SvPVX (sv);
51			}
52
53	root	1.5	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Base
54
55			SV *
56			clone (SV *self)
57			CODE:
58			/* no type check... too bad */
59			self = SvRV (self);
60			RETVAL = sv_bless (newRV_noinc (newSVsv (self)), SvSTASH (self));
61			OUTPUT:
62			RETVAL
63
64	root	1.1	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz PREFIX = spritz_
65
66			PROTOTYPES: ENABLE
67
68			SV *
69			new (SV *klass)
70			CODE:
71	root	1.2	RETVAL = alloc_state (klass);
72	root	1.1	spritz_init ((spritz_state *)SvPVX (SvRV (RETVAL)));
73			OUTPUT:
74			RETVAL
75
76			void spritz_init (Crypt::Spritz self)
77
78			void spritz_update (Crypt::Spritz self)
79
80			void spritz_whip (Crypt::Spritz self, UV r)
81
82			void spritz_crush (Crypt::Spritz self)
83
84			void spritz_shuffle (Crypt::Spritz self)
85
86			void spritz_absorb_stop (Crypt::Spritz self)
87
88			void spritz_absorb (Crypt::Spritz self, SV *data)
89			ALIAS:
90	root	1.2	absorb_and_stop = 1
91	root	1.1	CODE:
92			{
93			STRLEN len; char *ptr = SvPVbyte (data, len);
94
95			spritz_absorb (self, ptr, len);
96
97			if (ix)
98			spritz_absorb_stop (self);
99			}
100
101			U8 spritz_output (Crypt::Spritz self)
102
103			U8 spritz_drip (Crypt::Spritz self)
104
105			SV *
106			spritz_squeeze (Crypt::Spritz self, STRLEN len)
107			CODE:
108			RETVAL = alloc_pv (len);
109			spritz_squeeze (self, SvPVX (RETVAL), len);
110			OUTPUT:
111			RETVAL
112
113	root	1.4	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Cipher PREFIX = spritz_cipher_xor_
114	root	1.1
115			SV *
116			new (SV klass, SV K, SV *IV = 0)
117			CODE:
118			{
119			STRLEN k_len ; char *k = SvPVbyte (K , k_len );
120			STRLEN iv_len = 0; char *iv = iv ? SvPVbyte (IV, iv_len) : 0;
121	root	1.2	RETVAL = alloc_state (klass);
122	root	1.1	spritz_cipher_xor_init ((spritz_state *)SvPVX (SvRV (RETVAL)), k, k_len, iv, iv_len);
123			}
124			OUTPUT:
125			RETVAL
126
127	root	1.6	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Cipher PREFIX = spritz_cipher_
128	root	1.4
129	root	1.1	SV *
130	root	1.6	encrypt (Crypt::Spritz self, SV *I)
131			ALIAS:
132			encrypt = 0
133			decrypt = 1
134			Crypt::Spritz::Cipher::XOR::crypt = 2
135			Crypt::Spritz::AEAD::encrypt = 3
136			Crypt::Spritz::AEAD::decrypt = 4
137			Crypt::Spritz::AEAD::XOR::crypt = 5
138			CODE:
139			static void (f[])(spritz_state s, const void I, void O, size_t len) = {
140			spritz_cipher_encrypt,
141			spritz_cipher_decrypt,
142			spritz_cipher_xor_crypt,
143			spritz_aead_encrypt,
144			spritz_aead_decrypt,
145			spritz_aead_xor_crypt
146			};
147	root	1.1	{
148			STRLEN len; char *ptr = SvPVbyte (I, len);
149			RETVAL = alloc_pv (len);
150	root	1.6	f[ix](self, ptr, SvPVX (RETVAL), len);
151	root	1.1	}
152			OUTPUT:
153			RETVAL
154
155	root	1.6	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Cipher::XOR PREFIX = spritz_cipher_xor_
156
157			# crypt == Spritz::Cipher::crypt (xs-alias)
158
159	root	1.1	void
160			crypt_inplace (Crypt::Spritz self, SV *I)
161			CODE:
162	root	1.3	sv_force_normal (I);
163	root	1.1	{
164			STRLEN len; char *ptr = SvPVbyte (I, len);
165			spritz_cipher_xor_crypt (self, ptr, ptr, len);
166			}
167
168	root	1.2	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Hash PREFIX = spritz_hash_
169	root	1.1
170			# new == Spritz::new (inherit)
171			# add == absorb (alias)
172
173			SV *
174			spritz_hash_finish (Crypt::Spritz self, STRLEN len)
175			CODE:
176			RETVAL = alloc_pv (len);
177			spritz_hash_finish (self, SvPVX (RETVAL), len);
178			OUTPUT:
179			RETVAL
180
181			MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::MAC PREFIX = spritz_mac_
182
183			SV *
184			new (SV klass, SV K)
185			CODE:
186			{
187			STRLEN len; char *ptr = SvPVbyte (K, len);
188	root	1.2	RETVAL = alloc_state (klass);
189	root	1.1	spritz_mac_init ((spritz_state *)SvPVX (SvRV (RETVAL)), ptr, len);
190			}
191			OUTPUT:
192			RETVAL
193
194			# add == Spritz::HASH::add (inherit)
195			# finish == Spritz::HASH::finish (inherit)
196
197	root	1.6	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::AEAD PREFIX = spritz_aead_
198	root	1.1
199	root	1.6	# new == Spritz::MAC::new (inherit)
200			# nonce == absorb_and_stop (alias)
201			# associated_data == absorb_and_stop (alias)
202			# encrypt == Spritz::Cipher::crypt (xs-alias)
203			# decrypt == Spritz::Cipher::crypt (xs-alias)
204			# finish == Spritz::MAC::finish (alias)
205	root	1.1
206	root	1.4	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::AEAD::XOR PREFIX = spritz_aead_xor_
207
208			# new == Spritz::MAC::new (inherit)
209			# nonce == Spritz::AEAD::nonce (inherit)
210			# associated_data == Spritz::AEAD::associated_data (inherit)
211	root	1.6	# crypt == Spritz::Cipher::crypt (xs-alias)
212	root	1.4	# finish == Spritz::AEAD::finish (inherit)
213
214	root	1.1	void
215			crypt_inplace (Crypt::Spritz self, SV *I)
216			CODE:
217	root	1.3	sv_force_normal (I);
218	root	1.1	{
219			STRLEN len; char *ptr = SvPVbyte (I, len);
220			spritz_aead_xor_crypt (self, ptr, ptr, len);
221			}
222
223			MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::PRNG PREFIX = spritz_prng_
224
225			SV *
226			new (SV klass, SV S = 0)
227			CODE:
228			{
229			STRLEN len = 0; char *ptr = S ? SvPVbyte (S, len) : 0;
230	root	1.2	RETVAL = alloc_state (klass);
231	root	1.1	spritz_prng_init ((spritz_state *)SvPVX (SvRV (RETVAL)), ptr, len);
232			}
233			OUTPUT:
234			RETVAL
235
236			# add == absorb (alias)
237			# get == squeeze (alias)
238