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"))
    croak ("object is not of type Crypt::Spritz");

  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::XOR            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

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:
{
        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::XOR      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)

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:
{
        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:	1.2
Committed:	Sat Jan 10 04:14:17 2015 UTC (9 years, 4 months ago) by root
Branch:	MAIN
Changes since 1.1:	+8 -9 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			SvEND (r)[-1] = 0;
26
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			if (!sv_derived_from (sv, "Crypt::Spritz"))
42			croak ("object is not of type Crypt::Spritz");
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	root	1.2	RETVAL = alloc_state (klass);
61	root	1.1	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	root	1.2	absorb_and_stop = 1
80	root	1.1	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	root	1.2	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Cipher::XOR PREFIX = spritz_cipher_xor_
103	root	1.1
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	root	1.2	RETVAL = alloc_state (klass);
111	root	1.1	spritz_cipher_xor_init ((spritz_state *)SvPVX (SvRV (RETVAL)), k, k_len, iv, iv_len);
112			}
113			OUTPUT:
114			RETVAL
115
116			SV *
117			crypt (Crypt::Spritz self, SV *I)
118			CODE:
119			{
120			STRLEN len; char *ptr = SvPVbyte (I, len);
121			RETVAL = alloc_pv (len);
122			spritz_cipher_xor_crypt (self, ptr, SvPVX (RETVAL), len);
123			}
124			OUTPUT:
125			RETVAL
126
127			void
128			crypt_inplace (Crypt::Spritz self, SV *I)
129			CODE:
130			{
131			STRLEN len; char *ptr = SvPVbyte (I, len);
132			spritz_cipher_xor_crypt (self, ptr, ptr, len);
133			}
134
135	root	1.2	MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::Hash PREFIX = spritz_hash_
136	root	1.1
137			# new == Spritz::new (inherit)
138			# add == absorb (alias)
139
140			SV *
141			spritz_hash_finish (Crypt::Spritz self, STRLEN len)
142			CODE:
143			RETVAL = alloc_pv (len);
144			spritz_hash_finish (self, SvPVX (RETVAL), len);
145			OUTPUT:
146			RETVAL
147
148			MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::MAC PREFIX = spritz_mac_
149
150			SV *
151			new (SV klass, SV K)
152			CODE:
153			{
154			STRLEN len; char *ptr = SvPVbyte (K, len);
155	root	1.2	RETVAL = alloc_state (klass);
156	root	1.1	spritz_mac_init ((spritz_state *)SvPVX (SvRV (RETVAL)), ptr, len);
157			}
158			OUTPUT:
159			RETVAL
160
161			# add == Spritz::HASH::add (inherit)
162			# finish == Spritz::HASH::finish (inherit)
163
164			MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::AEAD::XOR PREFIX = spritz_aead_xor_
165
166			# new == Spritz::MAC::new (inherit)
167			# nonce == absorb_and_stop (alias)
168			# associated_data == absorb_and_stop (alias)
169			# finish == Spritz::MAC::finish (alias)
170
171			SV *
172			crypt (Crypt::Spritz self, SV *I)
173			CODE:
174			{
175			STRLEN len; char *ptr = SvPVbyte (I, len);
176			RETVAL = alloc_pv (len);
177			spritz_aead_xor_crypt (self, ptr, SvPVX (RETVAL), len);
178			}
179			OUTPUT:
180			RETVAL
181
182			void
183			crypt_inplace (Crypt::Spritz self, SV *I)
184			CODE:
185			{
186			STRLEN len; char *ptr = SvPVbyte (I, len);
187			spritz_aead_xor_crypt (self, ptr, ptr, len);
188			}
189
190			MODULE = Crypt::Spritz PACKAGE = Crypt::Spritz::PRNG PREFIX = spritz_prng_
191
192			SV *
193			new (SV klass, SV S = 0)
194			CODE:
195			{
196			STRLEN len = 0; char *ptr = S ? SvPVbyte (S, len) : 0;
197	root	1.2	RETVAL = alloc_state (klass);
198	root	1.1	spritz_prng_init ((spritz_state *)SvPVX (SvRV (RETVAL)), ptr, len);
199			}
200			OUTPUT:
201			RETVAL
202
203			# add == absorb (alias)
204			# get == squeeze (alias)
205