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         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::XOR            PREFIX = spritz_cipher_xor_

SV *
crypt (Crypt::Spritz self, SV *I)
        CODE:
{
        STRLEN len; char *ptr = SvPVbyte (I, len);
        RETVAL = alloc_pv (len);
        spritz_cipher_xor_crypt (self, ptr, SvPVX (RETVAL), len);
}
        OUTPUT:
        RETVAL

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_xor_

# new             == Spritz::MAC::new    (inherit)
# nonce           == absorb_and_stop     (alias)
# associated_data == absorb_and_stop     (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)
# finish          == Spritz::AEAD::finish           (inherit)

SV *
crypt (Crypt::Spritz self, SV *I)
        CODE:
{
        STRLEN len; char *ptr = SvPVbyte (I, len);
        RETVAL = alloc_pv (len);
        spritz_aead_xor_crypt (self, ptr, SvPVX (RETVAL), len);
}
        OUTPUT:
        RETVAL

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:	1.4
Committed:	Sat Jan 10 07:10:46 2015 UTC (9 years, 5 months ago) by root
Branch:	MAIN
Changes since 1.3:	+13 -4 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 PREFIX = spritz_
54
55	PROTOTYPES: ENABLE
56
57	SV *
58	new (SV *klass)
59	CODE:
60	RETVAL = alloc_state (klass);
61	spritz_init ((spritz_state *)SvPVX (SvRV (RETVAL)));
62	OUTPUT:
63	RETVAL
64
65	void spritz_init (Crypt::Spritz self)
66
67	void spritz_update (Crypt::Spritz self)
68
69	void spritz_whip (Crypt::Spritz self, UV r)
70
71	void spritz_crush (Crypt::Spritz self)
72
73	void spritz_shuffle (Crypt::Spritz self)
74
75	void spritz_absorb_stop (Crypt::Spritz self)
76
77	void spritz_absorb (Crypt::Spritz self, SV *data)
78	ALIAS:
79	absorb_and_stop = 1
80	CODE:
81	{
82	STRLEN len; char *ptr = SvPVbyte (data, len);
83
84	spritz_absorb (self, ptr, len);
85
86	if (ix)
87	spritz_absorb_stop (self);
88	}
89
90	U8 spritz_output (Crypt::Spritz self)
91
92	U8 spritz_drip (Crypt::Spritz self)
93
94	SV *
95	spritz_squeeze (Crypt::Spritz self, STRLEN len)
96	CODE:
97	RETVAL = alloc_pv (len);
98	spritz_squeeze (self, SvPVX (RETVAL), len);
99	OUTPUT:
100	RETVAL
101
102	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Cipher PREFIX = spritz_cipher_xor_
103
104	SV *
105	new (SV klass, SV K, SV *IV = 0)
106	CODE:
107	{
108	STRLEN k_len ; char *k = SvPVbyte (K , k_len );
109	STRLEN iv_len = 0; char *iv = iv ? SvPVbyte (IV, iv_len) : 0;
110	RETVAL = alloc_state (klass);
111	spritz_cipher_xor_init ((spritz_state *)SvPVX (SvRV (RETVAL)), k, k_len, iv, iv_len);
112	}
113	OUTPUT:
114	RETVAL
115
116	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Cipher::XOR PREFIX = spritz_cipher_xor_
117
118	SV *
119	crypt (Crypt::Spritz self, SV *I)
120	CODE:
121	{
122	STRLEN len; char *ptr = SvPVbyte (I, len);
123	RETVAL = alloc_pv (len);
124	spritz_cipher_xor_crypt (self, ptr, SvPVX (RETVAL), len);
125	}
126	OUTPUT:
127	RETVAL
128
129	void
130	crypt_inplace (Crypt::Spritz self, SV *I)
131	CODE:
132	sv_force_normal (I);
133	{
134	STRLEN len; char *ptr = SvPVbyte (I, len);
135	spritz_cipher_xor_crypt (self, ptr, ptr, len);
136	}
137
138	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Hash PREFIX = spritz_hash_
139
140	# new == Spritz::new (inherit)
141	# add == absorb (alias)
142
143	SV *
144	spritz_hash_finish (Crypt::Spritz self, STRLEN len)
145	CODE:
146	RETVAL = alloc_pv (len);
147	spritz_hash_finish (self, SvPVX (RETVAL), len);
148	OUTPUT:
149	RETVAL
150
151	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::MAC PREFIX = spritz_mac_
152
153	SV *
154	new (SV klass, SV K)
155	CODE:
156	{
157	STRLEN len; char *ptr = SvPVbyte (K, len);
158	RETVAL = alloc_state (klass);
159	spritz_mac_init ((spritz_state *)SvPVX (SvRV (RETVAL)), ptr, len);
160	}
161	OUTPUT:
162	RETVAL
163
164	# add == Spritz::HASH::add (inherit)
165	# finish == Spritz::HASH::finish (inherit)
166
167	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::AEAD PREFIX = spritz_aead_xor_
168
169	# new == Spritz::MAC::new (inherit)
170	# nonce == absorb_and_stop (alias)
171	# associated_data == absorb_and_stop (alias)
172	# finish == Spritz::MAC::finish (alias)
173
174	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::AEAD::XOR PREFIX = spritz_aead_xor_
175
176	# new == Spritz::MAC::new (inherit)
177	# nonce == Spritz::AEAD::nonce (inherit)
178	# associated_data == Spritz::AEAD::associated_data (inherit)
179	# finish == Spritz::AEAD::finish (inherit)
180
181	SV *
182	crypt (Crypt::Spritz self, SV *I)
183	CODE:
184	{
185	STRLEN len; char *ptr = SvPVbyte (I, len);
186	RETVAL = alloc_pv (len);
187	spritz_aead_xor_crypt (self, ptr, SvPVX (RETVAL), len);
188	}
189	OUTPUT:
190	RETVAL
191
192	void
193	crypt_inplace (Crypt::Spritz self, SV *I)
194	CODE:
195	sv_force_normal (I);
196	{
197	STRLEN len; char *ptr = SvPVbyte (I, len);
198	spritz_aead_xor_crypt (self, ptr, ptr, len);
199	}
200
201	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::PRNG PREFIX = spritz_prng_
202
203	SV *
204	new (SV klass, SV S = 0)
205	CODE:
206	{
207	STRLEN len = 0; char *ptr = S ? SvPVbyte (S, len) : 0;
208	RETVAL = alloc_state (klass);
209	spritz_prng_init ((spritz_state *)SvPVX (SvRV (RETVAL)), ptr, len);
210	}
211	OUTPUT:
212	RETVAL
213
214	# add == absorb (alias)
215	# get == squeeze (alias)
216