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)[-1] = 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:	1.6
Committed:	Sat Jan 10 08:29:06 2015 UTC (9 years, 4 months ago) by root
Branch:	MAIN
Changes since 1.5:	+31 -20 lines
Log Message:	* empty log message *
#	Content
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	SvEND (r)[-1] = 0;
26
27	return r;
28	}
29
30	static SV *
31	alloc_state (SV *klass)
32	{
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	if (!sv_derived_from (sv, "Crypt::Spritz::Base"))
42	croak ("object is not of type Crypt::Spritz::Base");
43
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	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	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz PREFIX = spritz_
65
66	PROTOTYPES: ENABLE
67
68	SV *
69	new (SV *klass)
70	CODE:
71	RETVAL = alloc_state (klass);
72	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	absorb_and_stop = 1
91	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	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Cipher PREFIX = spritz_cipher_xor_
114
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	RETVAL = alloc_state (klass);
122	spritz_cipher_xor_init ((spritz_state *)SvPVX (SvRV (RETVAL)), k, k_len, iv, iv_len);
123	}
124	OUTPUT:
125	RETVAL
126
127	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Cipher PREFIX = spritz_cipher_
128
129	SV *
130	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	{
148	STRLEN len; char *ptr = SvPVbyte (I, len);
149	RETVAL = alloc_pv (len);
150	f[ix](self, ptr, SvPVX (RETVAL), len);
151	}
152	OUTPUT:
153	RETVAL
154
155	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Cipher::XOR PREFIX = spritz_cipher_xor_
156
157	# crypt == Spritz::Cipher::crypt (xs-alias)
158
159	void
160	crypt_inplace (Crypt::Spritz self, SV *I)
161	CODE:
162	sv_force_normal (I);
163	{
164	STRLEN len; char *ptr = SvPVbyte (I, len);
165	spritz_cipher_xor_crypt (self, ptr, ptr, len);
166	}
167
168	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Hash PREFIX = spritz_hash_
169
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	RETVAL = alloc_state (klass);
189	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	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::AEAD PREFIX = spritz_aead_
198
199	# 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
206	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	# crypt == Spritz::Cipher::crypt (xs-alias)
212	# finish == Spritz::AEAD::finish (inherit)
213
214	void
215	crypt_inplace (Crypt::Spritz self, SV *I)
216	CODE:
217	sv_force_normal (I);
218	{
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	RETVAL = alloc_state (klass);
231	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