summaryrefslogtreecommitdiffstats
path: root/crypto/cast
diff options
context:
space:
mode:
authorMatt Caswell <matt@openssl.org>2015-01-22 03:40:55 +0000
committerMatt Caswell <matt@openssl.org>2015-01-22 09:20:09 +0000
commit0f113f3ee4d629ef9a4a30911b22b224772085e5 (patch)
treee014603da5aed1d0751f587a66d6e270b6bda3de /crypto/cast
parent22b52164aaed31d6e93dbd2d397ace041360e6aa (diff)
Run util/openssl-format-source -v -c .
Reviewed-by: Tim Hudson <tjh@openssl.org>
Diffstat (limited to 'crypto/cast')
-rw-r--r--crypto/cast/c_cfb64.c126
-rw-r--r--crypto/cast/c_ecb.c44
-rw-r--r--crypto/cast/c_enc.c276
-rw-r--r--crypto/cast/c_ofb64.c104
-rw-r--r--crypto/cast/c_skey.c205
-rw-r--r--crypto/cast/cast.h61
-rw-r--r--crypto/cast/cast_lcl.h242
-rw-r--r--crypto/cast/cast_s.h1075
-rw-r--r--crypto/cast/casttest.c312
9 files changed, 1228 insertions, 1217 deletions
diff --git a/crypto/cast/c_cfb64.c b/crypto/cast/c_cfb64.c
index dcec13a201..f2f16e5d77 100644
--- a/crypto/cast/c_cfb64.c
+++ b/crypto/cast/c_cfb64.c
@@ -5,21 +5,21 @@
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
- *
+ *
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
+ *
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -34,10 +34,10 @@
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
+ * 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
+ *
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
@@ -59,63 +59,65 @@
#include <openssl/cast.h>
#include "cast_lcl.h"
-/* The input and output encrypted as though 64bit cfb mode is being
- * used. The extra state information to record how much of the
- * 64bit block we have used is contained in *num;
+/*
+ * The input and output encrypted as though 64bit cfb mode is being used.
+ * The extra state information to record how much of the 64bit block we have
+ * used is contained in *num;
*/
void CAST_cfb64_encrypt(const unsigned char *in, unsigned char *out,
- long length, const CAST_KEY *schedule, unsigned char *ivec,
- int *num, int enc)
- {
- register CAST_LONG v0,v1,t;
- register int n= *num;
- register long l=length;
- CAST_LONG ti[2];
- unsigned char *iv,c,cc;
+ long length, const CAST_KEY *schedule,
+ unsigned char *ivec, int *num, int enc)
+{
+ register CAST_LONG v0, v1, t;
+ register int n = *num;
+ register long l = length;
+ CAST_LONG ti[2];
+ unsigned char *iv, c, cc;
- iv=ivec;
- if (enc)
- {
- while (l--)
- {
- if (n == 0)
- {
- n2l(iv,v0); ti[0]=v0;
- n2l(iv,v1); ti[1]=v1;
- CAST_encrypt((CAST_LONG *)ti,schedule);
- iv=ivec;
- t=ti[0]; l2n(t,iv);
- t=ti[1]; l2n(t,iv);
- iv=ivec;
- }
- c= *(in++)^iv[n];
- *(out++)=c;
- iv[n]=c;
- n=(n+1)&0x07;
- }
- }
- else
- {
- while (l--)
- {
- if (n == 0)
- {
- n2l(iv,v0); ti[0]=v0;
- n2l(iv,v1); ti[1]=v1;
- CAST_encrypt((CAST_LONG *)ti,schedule);
- iv=ivec;
- t=ti[0]; l2n(t,iv);
- t=ti[1]; l2n(t,iv);
- iv=ivec;
- }
- cc= *(in++);
- c=iv[n];
- iv[n]=cc;
- *(out++)=c^cc;
- n=(n+1)&0x07;
- }
- }
- v0=v1=ti[0]=ti[1]=t=c=cc=0;
- *num=n;
- }
+ iv = ivec;
+ if (enc) {
+ while (l--) {
+ if (n == 0) {
+ n2l(iv, v0);
+ ti[0] = v0;
+ n2l(iv, v1);
+ ti[1] = v1;
+ CAST_encrypt((CAST_LONG *)ti, schedule);
+ iv = ivec;
+ t = ti[0];
+ l2n(t, iv);
+ t = ti[1];
+ l2n(t, iv);
+ iv = ivec;
+ }
+ c = *(in++) ^ iv[n];
+ *(out++) = c;
+ iv[n] = c;
+ n = (n + 1) & 0x07;
+ }
+ } else {
+ while (l--) {
+ if (n == 0) {
+ n2l(iv, v0);
+ ti[0] = v0;
+ n2l(iv, v1);
+ ti[1] = v1;
+ CAST_encrypt((CAST_LONG *)ti, schedule);
+ iv = ivec;
+ t = ti[0];
+ l2n(t, iv);
+ t = ti[1];
+ l2n(t, iv);
+ iv = ivec;
+ }
+ cc = *(in++);
+ c = iv[n];
+ iv[n] = cc;
+ *(out++) = c ^ cc;
+ n = (n + 1) & 0x07;
+ }
+ }
+ v0 = v1 = ti[0] = ti[1] = t = c = cc = 0;
+ *num = n;
+}
diff --git a/crypto/cast/c_ecb.c b/crypto/cast/c_ecb.c
index b6a3b1fff9..4793f28edf 100644
--- a/crypto/cast/c_ecb.c
+++ b/crypto/cast/c_ecb.c
@@ -5,21 +5,21 @@
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
- *
+ *
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
+ *
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -34,10 +34,10 @@
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
+ * 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
+ *
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
@@ -60,20 +60,24 @@
#include "cast_lcl.h"
#include <openssl/opensslv.h>
-const char CAST_version[]="CAST" OPENSSL_VERSION_PTEXT;
+const char CAST_version[] = "CAST" OPENSSL_VERSION_PTEXT;
void CAST_ecb_encrypt(const unsigned char *in, unsigned char *out,
- const CAST_KEY *ks, int enc)
- {
- CAST_LONG l,d[2];
+ const CAST_KEY *ks, int enc)
+{
+ CAST_LONG l, d[2];
- n2l(in,l); d[0]=l;
- n2l(in,l); d[1]=l;
- if (enc)
- CAST_encrypt(d,ks);
- else
- CAST_decrypt(d,ks);
- l=d[0]; l2n(l,out);
- l=d[1]; l2n(l,out);
- l=d[0]=d[1]=0;
- }
+ n2l(in, l);
+ d[0] = l;
+ n2l(in, l);
+ d[1] = l;
+ if (enc)
+ CAST_encrypt(d, ks);
+ else
+ CAST_decrypt(d, ks);
+ l = d[0];
+ l2n(l, out);
+ l = d[1];
+ l2n(l, out);
+ l = d[0] = d[1] = 0;
+}
diff --git a/crypto/cast/c_enc.c b/crypto/cast/c_enc.c
index 357c41ebf0..6e1d50f10d 100644
--- a/crypto/cast/c_enc.c
+++ b/crypto/cast/c_enc.c
@@ -5,21 +5,21 @@
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
- *
+ *
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
+ *
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -34,10 +34,10 @@
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
+ * 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
+ *
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
@@ -60,149 +60,141 @@
#include "cast_lcl.h"
void CAST_encrypt(CAST_LONG *data, const CAST_KEY *key)
- {
- register CAST_LONG l,r,t;
- const register CAST_LONG *k;
+{
+ register CAST_LONG l, r, t;
+ const register CAST_LONG *k;
- k= &(key->data[0]);
- l=data[0];
- r=data[1];
+ k = &(key->data[0]);
+ l = data[0];
+ r = data[1];
- E_CAST( 0,k,l,r,+,^,-);
- E_CAST( 1,k,r,l,^,-,+);
- E_CAST( 2,k,l,r,-,+,^);
- E_CAST( 3,k,r,l,+,^,-);
- E_CAST( 4,k,l,r,^,-,+);
- E_CAST( 5,k,r,l,-,+,^);
- E_CAST( 6,k,l,r,+,^,-);
- E_CAST( 7,k,r,l,^,-,+);
- E_CAST( 8,k,l,r,-,+,^);
- E_CAST( 9,k,r,l,+,^,-);
- E_CAST(10,k,l,r,^,-,+);
- E_CAST(11,k,r,l,-,+,^);
- if(!key->short_key)
- {
- E_CAST(12,k,l,r,+,^,-);
- E_CAST(13,k,r,l,^,-,+);
- E_CAST(14,k,l,r,-,+,^);
- E_CAST(15,k,r,l,+,^,-);
- }
+ E_CAST(0, k, l, r, +, ^, -);
+ E_CAST(1, k, r, l, ^, -, +);
+ E_CAST(2, k, l, r, -, +, ^);
+ E_CAST(3, k, r, l, +, ^, -);
+ E_CAST(4, k, l, r, ^, -, +);
+ E_CAST(5, k, r, l, -, +, ^);
+ E_CAST(6, k, l, r, +, ^, -);
+ E_CAST(7, k, r, l, ^, -, +);
+ E_CAST(8, k, l, r, -, +, ^);
+ E_CAST(9, k, r, l, +, ^, -);
+ E_CAST(10, k, l, r, ^, -, +);
+ E_CAST(11, k, r, l, -, +, ^);
+ if (!key->short_key) {
+ E_CAST(12, k, l, r, +, ^, -);
+ E_CAST(13, k, r, l, ^, -, +);
+ E_CAST(14, k, l, r, -, +, ^);
+ E_CAST(15, k, r, l, +, ^, -);
+ }
- data[1]=l&0xffffffffL;
- data[0]=r&0xffffffffL;
- }
+ data[1] = l & 0xffffffffL;
+ data[0] = r & 0xffffffffL;
+}
void CAST_decrypt(CAST_LONG *data, const CAST_KEY *key)
- {
- register CAST_LONG l,r,t;
- const register CAST_LONG *k;
+{
+ register CAST_LONG l, r, t;
+ const register CAST_LONG *k;
- k= &(key->data[0]);
- l=data[0];
- r=data[1];
+ k = &(key->data[0]);
+ l = data[0];
+ r = data[1];
- if(!key->short_key)
- {
- E_CAST(15,k,l,r,+,^,-);
- E_CAST(14,k,r,l,-,+,^);
- E_CAST(13,k,l,r,^,-,+);
- E_CAST(12,k,r,l,+,^,-);
- }
- E_CAST(11,k,l,r,-,+,^);
- E_CAST(10,k,r,l,^,-,+);
- E_CAST( 9,k,l,r,+,^,-);
- E_CAST( 8,k,r,l,-,+,^);
- E_CAST( 7,k,l,r,^,-,+);
- E_CAST( 6,k,r,l,+,^,-);
- E_CAST( 5,k,l,r,-,+,^);
- E_CAST( 4,k,r,l,^,-,+);
- E_CAST( 3,k,l,r,+,^,-);
- E_CAST( 2,k,r,l,-,+,^);
- E_CAST( 1,k,l,r,^,-,+);
- E_CAST( 0,k,r,l,+,^,-);
+ if (!key->short_key) {
+ E_CAST(15, k, l, r, +, ^, -);
+ E_CAST(14, k, r, l, -, +, ^);
+ E_CAST(13, k, l, r, ^, -, +);
+ E_CAST(12, k, r, l, +, ^, -);
+ }
+ E_CAST(11, k, l, r, -, +, ^);
+ E_CAST(10, k, r, l, ^, -, +);
+ E_CAST(9, k, l, r, +, ^, -);
+ E_CAST(8, k, r, l, -, +, ^);
+ E_CAST(7, k, l, r, ^, -, +);
+ E_CAST(6, k, r, l, +, ^, -);
+ E_CAST(5, k, l, r, -, +, ^);
+ E_CAST(4, k, r, l, ^, -, +);
+ E_CAST(3, k, l, r, +, ^, -);
+ E_CAST(2, k, r, l, -, +, ^);
+ E_CAST(1, k, l, r, ^, -, +);
+ E_CAST(0, k, r, l, +, ^, -);
- data[1]=l&0xffffffffL;
- data[0]=r&0xffffffffL;
- }
+ data[1] = l & 0xffffffffL;
+ data[0] = r & 0xffffffffL;
+}
-void CAST_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
- const CAST_KEY *ks, unsigned char *iv, int enc)
- {
- register CAST_LONG tin0,tin1;
- register CAST_LONG tout0,tout1,xor0,xor1;
- register long l=length;
- CAST_LONG tin[2];
+void CAST_cbc_encrypt(const unsigned char *in, unsigned char *out,
+ long length, const CAST_KEY *ks, unsigned char *iv,
+ int enc)
+{
+ register CAST_LONG tin0, tin1;
+ register CAST_LONG tout0, tout1, xor0, xor1;
+ register long l = length;
+ CAST_LONG tin[2];
- if (enc)
- {
- n2l(iv,tout0);
- n2l(iv,tout1);
- iv-=8;
- for (l-=8; l>=0; l-=8)
- {
- n2l(in,tin0);
- n2l(in,tin1);
- tin0^=tout0;
- tin1^=tout1;
- tin[0]=tin0;
- tin[1]=tin1;
- CAST_encrypt(tin,ks);
- tout0=tin[0];
- tout1=tin[1];
- l2n(tout0,out);
- l2n(tout1,out);
- }
- if (l != -8)
- {
- n2ln(in,tin0,tin1,l+8);
- tin0^=tout0;
- tin1^=tout1;
- tin[0]=tin0;
- tin[1]=tin1;
- CAST_encrypt(tin,ks);
- tout0=tin[0];
- tout1=tin[1];
- l2n(tout0,out);
- l2n(tout1,out);
- }
- l2n(tout0,iv);
- l2n(tout1,iv);
- }
- else
- {
- n2l(iv,xor0);
- n2l(iv,xor1);
- iv-=8;
- for (l-=8; l>=0; l-=8)
- {
- n2l(in,tin0);
- n2l(in,tin1);
- tin[0]=tin0;
- tin[1]=tin1;
- CAST_decrypt(tin,ks);
- tout0=tin[0]^xor0;
- tout1=tin[1]^xor1;
- l2n(tout0,out);
- l2n(tout1,out);
- xor0=tin0;
- xor1=tin1;
- }
- if (l != -8)
- {
- n2l(in,tin0);
- n2l(in,tin1);
- tin[0]=tin0;
- tin[1]=tin1;
- CAST_decrypt(tin,ks);
- tout0=tin[0]^xor0;
- tout1=tin[1]^xor1;
- l2nn(tout0,tout1,out,l+8);
- xor0=tin0;
- xor1=tin1;
- }
- l2n(xor0,iv);
- l2n(xor1,iv);
- }
- tin0=tin1=tout0=tout1=xor0=xor1=0;
- tin[0]=tin[1]=0;
- }
+ if (enc) {
+ n2l(iv, tout0);
+ n2l(iv, tout1);
+ iv -= 8;
+ for (l -= 8; l >= 0; l -= 8) {
+ n2l(in, tin0);
+ n2l(in, tin1);
+ tin0 ^= tout0;
+ tin1 ^= tout1;
+ tin[0] = tin0;
+ tin[1] = tin1;
+ CAST_encrypt(tin, ks);
+ tout0 = tin[0];
+ tout1 = tin[1];
+ l2n(tout0, out);
+ l2n(tout1, out);
+ }
+ if (l != -8) {
+ n2ln(in, tin0, tin1, l + 8);
+ tin0 ^= tout0;
+ tin1 ^= tout1;
+ tin[0] = tin0;
+ tin[1] = tin1;
+ CAST_encrypt(tin, ks);
+ tout0 = tin[0];
+ tout1 = tin[1];
+ l2n(tout0, out);
+ l2n(tout1, out);
+ }
+ l2n(tout0, iv);
+ l2n(tout1, iv);
+ } else {
+ n2l(iv, xor0);
+ n2l(iv, xor1);
+ iv -= 8;
+ for (l -= 8; l >= 0; l -= 8) {
+ n2l(in, tin0);
+ n2l(in, tin1);
+ tin[0] = tin0;
+ tin[1] = tin1;
+ CAST_decrypt(tin, ks);
+ tout0 = tin[0] ^ xor0;
+ tout1 = tin[1] ^ xor1;
+ l2n(tout0, out);
+ l2n(tout1, out);
+ xor0 = tin0;
+ xor1 = tin1;
+ }
+ if (l != -8) {
+ n2l(in, tin0);
+ n2l(in, tin1);
+ tin[0] = tin0;
+ tin[1] = tin1;
+ CAST_decrypt(tin, ks);
+ tout0 = tin[0] ^ xor0;
+ tout1 = tin[1] ^ xor1;
+ l2nn(tout0, tout1, out, l + 8);
+ xor0 = tin0;
+ xor1 = tin1;
+ }
+ l2n(xor0, iv);
+ l2n(xor1, iv);
+ }
+ tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0;
+ tin[0] = tin[1] = 0;
+}
diff --git a/crypto/cast/c_ofb64.c b/crypto/cast/c_ofb64.c
index cb3222456c..4e0a7c2e6e 100644
--- a/crypto/cast/c_ofb64.c
+++ b/crypto/cast/c_ofb64.c
@@ -5,21 +5,21 @@
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
- *
+ *
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
+ *
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -34,10 +34,10 @@
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
+ * 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
+ *
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
@@ -59,52 +59,52 @@
#include <openssl/cast.h>
#include "cast_lcl.h"
-/* The input and output encrypted as though 64bit ofb mode is being
- * used. The extra state information to record how much of the
- * 64bit block we have used is contained in *num;
+/*
+ * The input and output encrypted as though 64bit ofb mode is being used.
+ * The extra state information to record how much of the 64bit block we have
+ * used is contained in *num;
*/
void CAST_ofb64_encrypt(const unsigned char *in, unsigned char *out,
- long length, const CAST_KEY *schedule, unsigned char *ivec,
- int *num)
- {
- register CAST_LONG v0,v1,t;
- register int n= *num;
- register long l=length;
- unsigned char d[8];
- register char *dp;
- CAST_LONG ti[2];
- unsigned char *iv;
- int save=0;
+ long length, const CAST_KEY *schedule,
+ unsigned char *ivec, int *num)
+{
+ register CAST_LONG v0, v1, t;
+ register int n = *num;
+ register long l = length;
+ unsigned char d[8];
+ register char *dp;
+ CAST_LONG ti[2];
+ unsigned char *iv;
+ int save = 0;
- iv=ivec;
- n2l(iv,v0);
- n2l(iv,v1);
- ti[0]=v0;
- ti[1]=v1;
- dp=(char *)d;
- l2n(v0,dp);
- l2n(v1,dp);
- while (l--)
- {
- if (n == 0)
- {
- CAST_encrypt((CAST_LONG *)ti,schedule);
- dp=(char *)d;
- t=ti[0]; l2n(t,dp);
- t=ti[1]; l2n(t,dp);
- save++;
- }
- *(out++)= *(in++)^d[n];
- n=(n+1)&0x07;
- }
- if (save)
- {
- v0=ti[0];
- v1=ti[1];
- iv=ivec;
- l2n(v0,iv);
- l2n(v1,iv);
- }
- t=v0=v1=ti[0]=ti[1]=0;
- *num=n;
- }
+ iv = ivec;
+ n2l(iv, v0);
+ n2l(iv, v1);
+ ti[0] = v0;
+ ti[1] = v1;
+ dp = (char *)d;
+ l2n(v0, dp);
+ l2n(v1, dp);
+ while (l--) {
+ if (n == 0) {
+ CAST_encrypt((CAST_LONG *)ti, schedule);
+ dp = (char *)d;
+ t = ti[0];
+ l2n(t, dp);
+ t = ti[1];
+ l2n(t, dp);
+ save++;
+ }
+ *(out++) = *(in++) ^ d[n];
+ n = (n + 1) & 0x07;
+ }
+ if (save) {
+ v0 = ti[0];
+ v1 = ti[1];
+ iv = ivec;
+ l2n(v0, iv);
+ l2n(v1, iv);
+ }
+ t = v0 = v1 = ti[0] = ti[1] = 0;
+ *num = n;
+}
diff --git a/crypto/cast/c_skey.c b/crypto/cast/c_skey.c
index 76e40005c9..0b8de76703 100644
--- a/crypto/cast/c_skey.c
+++ b/crypto/cast/c_skey.c
@@ -5,21 +5,21 @@
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
- *
+ *
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
+ *
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -34,10 +34,10 @@
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
+ * 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
+ *
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
@@ -61,11 +61,11 @@
#include "cast_s.h"
#define CAST_exp(l,A,a,n) \
- A[n/4]=l; \
- a[n+3]=(l )&0xff; \
- a[n+2]=(l>> 8)&0xff; \
- a[n+1]=(l>>16)&0xff; \
- a[n+0]=(l>>24)&0xff;
+ A[n/4]=l; \
+ a[n+3]=(l )&0xff; \
+ a[n+2]=(l>> 8)&0xff; \
+ a[n+1]=(l>>16)&0xff; \
+ a[n+0]=(l>>24)&0xff;
#define S4 CAST_S_table4
#define S5 CAST_S_table5
@@ -73,94 +73,95 @@
#define S7 CAST_S_table7
void CAST_set_key(CAST_KEY *key, int len, const unsigned char *data)
- {
- CAST_LONG x[16];
- CAST_LONG z[16];
- CAST_LONG k[32];
- CAST_LONG X[4],Z[4];
- CAST_LONG l,*K;
- int i;
-
- for (i=0; i<16; i++) x[i]=0;
- if (len > 16) len=16;
- for (i=0; i<len; i++)
- x[i]=data[i];
- if(len <= 10)
- key->short_key=1;
- else
- key->short_key=0;
-
- K= &k[0];
- X[0]=((x[ 0]<<24)|(x[ 1]<<16)|(x[ 2]<<8)|x[ 3])&0xffffffffL;
- X[1]=((x[ 4]<<24)|(x[ 5]<<16)|(x[ 6]<<8)|x[ 7])&0xffffffffL;
- X[2]=((x[ 8]<<24)|(x[ 9]<<16)|(x[10]<<8)|x[11])&0xffffffffL;
- X[3]=((x[12]<<24)|(x[13]<<16)|(x[14]<<8)|x[15])&0xffffffffL;
-
- for (;;)
- {
- l=X[0]^S4[x[13]]^S5[x[15]]^S6[x[12]]^S7[x[14]]^S6[x[ 8]];
- CAST_exp(l,Z,z, 0);
- l=X[2]^S4[z[ 0]]^S5[z[ 2]]^S6[z[ 1]]^S7[z[ 3]]^S7[x[10]];
- CAST_exp(l,Z,z, 4);
- l=X[3]^S4[z[ 7]]^S5[z[ 6]]^S6[z[ 5]]^S7[z[ 4]]^S4[x[ 9]];
- CAST_exp(l,Z,z, 8);
- l=X[1]^S4[z[10]]^S5[z[ 9]]^S6[z[11]]^S7[z[ 8]]^S5[x[11]];
- CAST_exp(l,Z,z,12);
-
- K[ 0]= S4[z[ 8]]^S5[z[ 9]]^S6[z[ 7]]^S7[z[ 6]]^S4[z[ 2]];
- K[ 1]= S4[z[10]]^S5[z[11]]^S6[z[ 5]]^S7[z[ 4]]^S5[z[ 6]];
- K[ 2]= S4[z[12]]^S5[z[13]]^S6[z[ 3]]^S7[z[ 2]]^S6[z[ 9]];
- K[ 3]= S4[z[14]]^S5[z[15]]^S6[z[ 1]]^S7[z[ 0]]^S7[z[12]];
-
- l=Z[2]^S4[z[ 5]]^S5[z[ 7]]^S6[z[ 4]]^S7[z[ 6]]^S6[z[ 0]];
- CAST_exp(l,X,x, 0);
- l=Z[0]^S4[x[ 0]]^S5[x[ 2]]^S6[x[ 1]]^S7[x[ 3]]^S7[z[ 2]];
- CAST_exp(l,X,x, 4);
- l=Z[1]^S4[x[ 7]]^S5[x[ 6]]^S6[x[ 5]]^S7[x[ 4]]^S4[z[ 1]];
- CAST_exp(l,X,x, 8);
- l=Z[3]^S4[x[10]]^S5[x[ 9]]^S6[x[11]]^S7[x[ 8]]^S5[z[ 3]];
- CAST_exp(l,X,x,12);
-
- K[ 4]= S4[x[ 3]]^S5[x[ 2]]^S6[x[12]]^S7[x[13]]^S4[x[ 8]];
- K[ 5]= S4[x[ 1]]^S5[x[ 0]]^S6[x[14]]^S7[x[15]]^S5[x[13]];
- K[ 6]= S4[x[ 7]]^S5[x[ 6]]^S6[x[ 8]]^S7[x[ 9]]^S6[x[ 3]];
- K[ 7]= S4[x[ 5]]^S5[x[ 4]]^S6[x[10]]^S7[x[11]]^S7[x[ 7]];
-
- l=X[0]^S4[x[13]]^S5[x[15]]^S6[x[12]]^S7[x[14]]^S6[x[ 8]];
- CAST_exp(l,Z,z, 0);
- l=X[2]^S4[z[ 0]]^S5[z[ 2]]^S6[z[ 1]]^S7[z[ 3]]^S7[x[10]];
- CAST_exp(l,Z,z, 4);
- l=X[3]^S4[z[ 7]]^S5[z[ 6]]^S6[z[ 5]]^S7[z[ 4]]^S4[x[ 9]];
- CAST_exp(l,Z,z, 8);
- l=X[1]^S4[z[10]]^S5[z[ 9]]^S6[z[11]]^S7[z[ 8]]^S5[x[11]];
- CAST_exp(l,Z,z,12);
-
- K[ 8]= S4[z[ 3]]^S5[z[ 2]]^S6[z[12]]^S7[z[13]]^S4[z[ 9]];
- K[ 9]= S4[z[ 1]]^S5[z[ 0]]^S6[z[14]]^S7[z[15]]^S5[z[12]];
- K[10]= S4[z[ 7]]^S5[z[ 6]]^S6[z[ 8]]^S7[z[ 9]]^S6[z[ 2]];
- K[11]= S4[z[ 5]]^S5[z[ 4]]^S6[z[10]]^S7[z[11]]^S7[z[ 6]];
-
- l=Z[2]^S4[z[ 5]]^S5[z[ 7]]^S6[z[ 4]]^S7[z[ 6]]^S6[z[ 0]];
- CAST_exp(l,X,x, 0);
- l=Z[0]^S4[x[ 0]]^S5[x[ 2]]^S6[x[ 1]]^S7[x[ 3]]^S7[z[ 2]];
- CAST_exp(l,X,x, 4);
- l=Z[1]^S4[x[ 7]]^S5[x[ 6]]^S6[x[ 5]]^S7[x[ 4]]^S4[z[ 1]];
- CAST_exp(l,X,x, 8);
- l=Z[3]^S4[x[10]]^S5[x[ 9]]^S6[x[11]]^S7[x[ 8]]^S5[z[ 3]];
- CAST_exp(l,X,x,12);
-
- K[12]= S4[x[ 8]]^S5[x[ 9]]^S6[x[ 7]]^S7[x[ 6]]^S4[x[ 3]];
- K[13]= S4[x[10]]^S5[x[11]]^S6[x[ 5]]^S7[x[ 4]]^S5[x[ 7]];
- K[14]= S4[x[12]]^S5[x[13]]^S6[x[ 3]]^S7[x[ 2]]^S6[x[ 8]];
- K[15]= S4[x[14]]^S5[x[15]]^S6[x[ 1]]^S7[x[ 0]]^S7[x[13]];
- if (K != k) break;
- K+=16;
- }
-
- for (i=0; i<16; i++)
- {
- key->data[i*2]=k[i];
- key->data[i*2+1]=((k[i+16])+16)&0x1f;
- }
- }
-
+{
+ CAST_LONG x[16];
+ CAST_LONG z[16];
+ CAST_LONG k[32];
+ CAST_LONG X[4], Z[4];
+ CAST_LONG l, *K;
+ int i;
+
+ for (i = 0; i < 16; i++)
+ x[i] = 0;
+ if (len > 16)
+ len = 16;
+ for (i = 0; i < len; i++)
+ x[i] = data[i];
+ if (len <= 10)
+ key->short_key = 1;
+ else
+ key->short_key = 0;
+
+ K = &k[0];
+ X[0] = ((x[0] << 24) | (x[1] << 16) | (x[2] << 8) | x[3]) & 0xffffffffL;
+ X[1] = ((x[4] << 24) | (x[5] << 16) | (x[6] << 8) | x[7]) & 0xffffffffL;
+ X[2] = ((x[8] << 24) | (x[9] << 16) | (x[10] << 8) | x[11]) & 0xffffffffL;
+ X[3] =
+ ((x[12] << 24) | (x[13] << 16) | (x[14] << 8) | x[15]) & 0xffffffffL;
+
+ for (;;) {
+ l = X[0] ^ S4[x[13]] ^ S5[x[15]] ^ S6[x[12]] ^ S7[x[14]] ^ S6[x[8]];
+ CAST_exp(l, Z, z, 0);
+ l = X[2] ^ S4[z[0]] ^ S5[z[2]] ^ S6[z[1]] ^ S7[z[3]] ^ S7[x[10]];
+ CAST_exp(l, Z, z, 4);
+ l = X[3] ^ S4[z[7]] ^ S5[z[6]] ^ S6[z[5]] ^ S7[z[4]] ^ S4[x[9]];
+ CAST_exp(l, Z, z, 8);
+ l = X[1] ^ S4[z[10]] ^ S5[z[9]] ^ S6[z[11]] ^ S7[z[8]] ^ S5[x[11]];
+ CAST_exp(l, Z, z, 12);
+
+ K[0] = S4[z[8]] ^ S5[z[9]] ^ S6[z[7]] ^ S7[z[6]] ^ S4[z[2]];
+ K[1] = S4[z[10]] ^ S5[z[11]] ^ S6[z[5]] ^ S7[z[4]] ^ S5[z[6]];
+ K[2] = S4[z[12]] ^ S5[z[13]] ^ S6[z[3]] ^ S7[z[2]] ^ S6[z[9]];
+ K[3] = S4[z[14]] ^ S5[z[15]] ^ S6[z[1]] ^ S7[z[0]] ^ S7[z[12]];
+
+ l = Z[2] ^ S4[z[5]] ^ S5[z[7]] ^ S6[z[4]] ^ S7[z[6]] ^ S6[z[0]];
+ CAST_exp(l, X, x, 0);
+ l = Z[0] ^ S4[x[0]] ^ S5[x[2]] ^ S6[x[1]] ^ S7[x[3]] ^ S7[z[2]];
+ CAST_exp(l, X, x, 4);
+ l = Z[1] ^ S4[x[7]] ^ S5[x[6]] ^ S6[x[5]] ^ S7[x[4]] ^ S4[z[1]];
+ CAST_exp(l, X, x, 8);
+ l = Z[3] ^ S4[x[10]] ^ S5[x[9]] ^ S6[x[11]] ^ S7[x[8]] ^ S5[z[3]];
+ CAST_exp(l, X, x, 12);
+
+ K[4] = S4[x[3]] ^ S5[x[2]] ^ S6[x[12]] ^ S7[x[13]] ^ S4[x[8]];
+ K[5] = S4[x[1]] ^ S5[x[0]] ^ S6[x[14]] ^ S7[x[15]] ^ S5[x[13]];
+ K[6] = S4[x[7]] ^ S5[x[6]] ^ S6[x[8]] ^ S7[x[9]] ^ S6[x[3]];
+ K[7] = S4[x[5]] ^ S5[x[4]] ^ S6[x[10]] ^ S7[x[11]] ^ S7[x[7]];
+
+ l = X[0] ^ S4[x[13]] ^ S5[x[15]] ^ S6[x[12]] ^ S7[x[14]] ^ S6[x[8]];
+ CAST_exp(l, Z, z, 0);
+ l = X[2] ^ S4[z[0]] ^ S5[z[2]] ^ S6[z[1]] ^ S7[z[3]] ^ S7[x[10]];
+ CAST_exp(l, Z, z, 4);
+ l = X[3] ^ S4[z[7]] ^ S5[z[6]] ^ S6[z[5]] ^ S7[z[4]] ^ S4[x[9]];
+ CAST_exp(l, Z, z, 8);
+ l = X[1] ^ S4[z[10]] ^ S5[z[9]] ^ S6[z[11]] ^ S7[z[8]] ^ S5[x[11]];
+ CA