-/* $OpenBSD: i_cbc.c,v 1.4 2022/11/26 16:08:53 tb Exp $ */
+/* $OpenBSD: i_cbc.c,v 1.5 2023/07/07 12:51:58 beck Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* 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:
* 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
* 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
#include <openssl/idea.h>
#include "idea_local.h"
-void idea_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
- IDEA_KEY_SCHEDULE *ks, unsigned char *iv, int encrypt)
- {
- unsigned long tin0,tin1;
- unsigned long tout0,tout1,xor0,xor1;
- long l=length;
+void
+idea_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
+ IDEA_KEY_SCHEDULE *ks, unsigned char *iv, int encrypt)
+{
+ unsigned long tin0, tin1;
+ unsigned long tout0, tout1, xor0, xor1;
+ long l = length;
unsigned long tin[2];
- if (encrypt)
+ if (encrypt) {
+ n2l(iv, tout0);
+ n2l(iv, tout1);
+ iv -= 8;
+ for (l -= 8; l >= 0; l -= 8)
{
- 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;
- idea_encrypt(tin,ks);
- tout0=tin[0]; l2n(tout0,out);
- tout1=tin[1]; l2n(tout1,out);
- }
- if (l != -8)
- {
- n2ln(in,tin0,tin1,l+8);
- tin0^=tout0;
- tin1^=tout1;
- tin[0]=tin0;
- tin[1]=tin1;
- idea_encrypt(tin,ks);
- tout0=tin[0]; l2n(tout0,out);
- tout1=tin[1]; l2n(tout1,out);
- }
- l2n(tout0,iv);
- l2n(tout1,iv);
+ n2l(in, tin0);
+ n2l(in, tin1);
+ tin0 ^= tout0;
+ tin1 ^= tout1;
+ tin[0] = tin0;
+ tin[1] = tin1;
+ idea_encrypt(tin, ks);
+ tout0 = tin[0];
+ l2n(tout0, out);
+ tout1 = tin[1];
+ l2n(tout1, out);
+ }
+ if (l != -8) {
+ n2ln(in, tin0, tin1, l + 8);
+ tin0 ^= tout0;
+ tin1 ^= tout1;
+ tin[0] = tin0;
+ tin[1] = tin1;
+ idea_encrypt(tin, ks);
+ tout0 = tin[0];
+ l2n(tout0, out);
+ tout1 = tin[1];
+ l2n(tout1, out);
}
- else
+ l2n(tout0, iv);
+ l2n(tout1, iv);
+ } else {
+ n2l(iv, xor0);
+ n2l(iv, xor1);
+ iv -= 8;
+ for (l -= 8; l >= 0; l -= 8)
{
- n2l(iv,xor0);
- n2l(iv,xor1);
- iv-=8;
- for (l-=8; l>=0; l-=8)
- {
- n2l(in,tin0); tin[0]=tin0;
- n2l(in,tin1); tin[1]=tin1;
- idea_encrypt(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); tin[0]=tin0;
- n2l(in,tin1); tin[1]=tin1;
- idea_encrypt(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);
+ n2l(in, tin0);
+ tin[0] = tin0;
+ n2l(in, tin1);
+ tin[1] = tin1;
+ idea_encrypt(tin, ks);
+ tout0 = tin[0] ^ xor0;
+ tout1 = tin[1] ^ xor1;
+ l2n(tout0, out);
+ l2n(tout1, out);
+ xor0 = tin0;
+ xor1 = tin1;
}
- tin0=tin1=tout0=tout1=xor0=xor1=0;
- tin[0]=tin[1]=0;
+ if (l != -8) {
+ n2l(in, tin0);
+ tin[0] = tin0;
+ n2l(in, tin1);
+ tin[1] = tin1;
+ idea_encrypt(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;
+}
-void idea_encrypt(unsigned long *d, IDEA_KEY_SCHEDULE *key)
- {
+void
+idea_encrypt(unsigned long *d, IDEA_KEY_SCHEDULE *key)
+{
IDEA_INT *p;
- unsigned long x1,x2,x3,x4,t0,t1,ul;
+ unsigned long x1, x2, x3, x4, t0, t1, ul;
- x2=d[0];
- x1=(x2>>16);
- x4=d[1];
- x3=(x4>>16);
+ x2 = d[0];
+ x1 = (x2 >> 16);
+ x4 = d[1];
+ x3 = (x4 >> 16);
- p= &(key->data[0][0]);
+ p = &(key->data[0][0]);
E_IDEA(0);
E_IDEA(1);
E_IDEA(6);
E_IDEA(7);
- x1&=0xffff;
- idea_mul(x1,x1,*p,ul); p++;
+ x1 &= 0xffff;
+ idea_mul(x1, x1, *p, ul);
+ p++;
- t0= x3+ *(p++);
- t1= x2+ *(p++);
+ t0 = x3 + *(p++);
+ t1 = x2 + *(p++);
- x4&=0xffff;
- idea_mul(x4,x4,*p,ul);
+ x4 &= 0xffff;
+ idea_mul(x4, x4, *p, ul);
- d[0]=(t0&0xffff)|((x1&0xffff)<<16);
- d[1]=(x4&0xffff)|((t1&0xffff)<<16);
- }
+ d[0] = (t0 & 0xffff)|((x1 & 0xffff) << 16);
+ d[1] = (x4 & 0xffff)|((t1 & 0xffff) << 16);
+}
-/* $OpenBSD: i_cfb64.c,v 1.4 2022/11/26 16:08:53 tb Exp $ */
+/* $OpenBSD: i_cfb64.c,v 1.5 2023/07/07 12:51:58 beck Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* 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:
* 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
* 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
* 64bit block we have used is contained in *num;
*/
-void idea_cfb64_encrypt(const unsigned char *in, unsigned char *out,
- long length, IDEA_KEY_SCHEDULE *schedule,
- unsigned char *ivec, int *num, int encrypt)
- {
- unsigned long v0,v1,t;
- int n= *num;
- long l=length;
+void
+idea_cfb64_encrypt(const unsigned char *in, unsigned char *out,
+ long length, IDEA_KEY_SCHEDULE *schedule,
+ unsigned char *ivec, int *num, int encrypt)
+{
+ unsigned long v0, v1, t;
+ int n = *num;
+ long l = length;
unsigned long ti[2];
- unsigned char *iv,c,cc;
+ unsigned char *iv, c, cc;
- iv=(unsigned char *)ivec;
- if (encrypt)
- {
- while (l--)
- {
- if (n == 0)
- {
- n2l(iv,v0); ti[0]=v0;
- n2l(iv,v1); ti[1]=v1;
- idea_encrypt((unsigned long *)ti,schedule);
- iv=(unsigned char *)ivec;
- t=ti[0]; l2n(t,iv);
- t=ti[1]; l2n(t,iv);
- iv=(unsigned char *)ivec;
- }
- c= *(in++)^iv[n];
- *(out++)=c;
- iv[n]=c;
- n=(n+1)&0x07;
+ iv = (unsigned char *)ivec;
+ if (encrypt) {
+ while (l--) {
+ if (n == 0) {
+ n2l(iv, v0);
+ ti[0] = v0;
+ n2l(iv, v1);
+ ti[1] = v1;
+ idea_encrypt((unsigned long *)ti, schedule);
+ iv = (unsigned char *)ivec;
+ t = ti[0];
+ l2n(t, iv);
+ t = ti[1];
+ l2n(t, iv);
+ iv = (unsigned char *)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;
- idea_encrypt((unsigned long *)ti,schedule);
- iv=(unsigned char *)ivec;
- t=ti[0]; l2n(t,iv);
- t=ti[1]; l2n(t,iv);
- iv=(unsigned char *)ivec;
- }
- cc= *(in++);
- c=iv[n];
- iv[n]=cc;
- *(out++)=c^cc;
- n=(n+1)&0x07;
+ } else {
+ while (l--) {
+ if (n == 0) {
+ n2l(iv, v0);
+ ti[0] = v0;
+ n2l(iv, v1);
+ ti[1] = v1;
+ idea_encrypt((unsigned long *)ti, schedule);
+ iv = (unsigned char *)ivec;
+ t = ti[0];
+ l2n(t, iv);
+ t = ti[1];
+ l2n(t, iv);
+ iv = (unsigned char *)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;
}
-
+ v0 = v1 = ti[0] = ti[1] = t = c = cc = 0;
+ *num = n;
+}
-/* $OpenBSD: i_ecb.c,v 1.4 2022/11/26 16:08:53 tb Exp $ */
+/* $OpenBSD: i_ecb.c,v 1.5 2023/07/07 12:51:58 beck Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* 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:
* 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
* 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
#include "idea_local.h"
#include <openssl/opensslv.h>
-const char *idea_options(void)
- {
+const char *
+idea_options(void)
+{
if (sizeof(short) != sizeof(IDEA_INT))
- return("idea(int)");
+ return ("idea(int)");
else
- return("idea(short)");
- }
-
-void idea_ecb_encrypt(const unsigned char *in, unsigned char *out,
- IDEA_KEY_SCHEDULE *ks)
- {
- unsigned long l0,l1,d[2];
+ return ("idea(short)");
+}
- n2l(in,l0); d[0]=l0;
- n2l(in,l1); d[1]=l1;
- idea_encrypt(d,ks);
- l0=d[0]; l2n(l0,out);
- l1=d[1]; l2n(l1,out);
- l0=l1=d[0]=d[1]=0;
- }
+void
+idea_ecb_encrypt(const unsigned char *in, unsigned char *out,
+ IDEA_KEY_SCHEDULE *ks)
+{
+ unsigned long l0, l1, d[2];
+ n2l(in, l0);
+ d[0] = l0;
+ n2l(in, l1);
+ d[1] = l1;
+ idea_encrypt(d, ks);
+ l0 = d[0];
+ l2n(l0, out);
+ l1 = d[1];
+ l2n(l1, out);
+ l0 = l1 = d[0] = d[1] = 0;
+}
-/* $OpenBSD: i_ofb64.c,v 1.4 2022/11/26 16:08:53 tb Exp $ */
+/* $OpenBSD: i_ofb64.c,v 1.5 2023/07/07 12:51:58 beck Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* 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:
* 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
* 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
* used. The extra state information to record how much of the
* 64bit block we have used is contained in *num;
*/
-void idea_ofb64_encrypt(const unsigned char *in, unsigned char *out,
- long length, IDEA_KEY_SCHEDULE *schedule,
- unsigned char *ivec, int *num)
- {
- unsigned long v0,v1,t;
- int n= *num;
- long l=length;
+void
+idea_ofb64_encrypt(const unsigned char *in, unsigned char *out,
+ long length, IDEA_KEY_SCHEDULE *schedule,
+ unsigned char *ivec, int *num)
+{
+ unsigned long v0, v1, t;
+ int n = *num;
+ long l = length;
unsigned char d[8];
char *dp;
unsigned long ti[2];
unsigned char *iv;
- int save=0;
+ int save = 0;
- iv=(unsigned char *)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)
- {
- idea_encrypt((unsigned long *)ti,schedule);
- dp=(char *)d;
- t=ti[0]; l2n(t,dp);
- t=ti[1]; l2n(t,dp);
+ iv = (unsigned char *)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) {
+ idea_encrypt((unsigned 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=(unsigned char *)ivec;
- l2n(v0,iv);
- l2n(v1,iv);
}
- t=v0=v1=ti[0]=ti[1]=0;
- *num=n;
+ *(out++) = *(in++) ^ d[n];
+ n = (n + 1) & 0x07;
}
-
+ if (save) {
+ v0 = ti[0];
+ v1 = ti[1];
+ iv = (unsigned char *)ivec;
+ l2n(v0, iv);
+ l2n(v1, iv);
+ }
+ t = v0 = v1 = ti[0] = ti[1] = 0;
+ *num = n;
+}
-/* $OpenBSD: i_skey.c,v 1.5 2022/11/26 16:08:53 tb Exp $ */
+/* $OpenBSD: i_skey.c,v 1.6 2023/07/07 12:51:58 beck Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* 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:
* 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
* 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
#include "idea_local.h"
static IDEA_INT inverse(unsigned int xin);
-void idea_set_encrypt_key(const unsigned char *key, IDEA_KEY_SCHEDULE *ks)
- {
+void
+idea_set_encrypt_key(const unsigned char *key, IDEA_KEY_SCHEDULE *ks)
+{
int i;
- IDEA_INT *kt,*kf,r0,r1,r2;
+ IDEA_INT *kt, *kf, r0, r1, r2;
- kt= &(ks->data[0][0]);
- n2s(key,kt[0]); n2s(key,kt[1]); n2s(key,kt[2]); n2s(key,kt[3]);
- n2s(key,kt[4]); n2s(key,kt[5]); n2s(key,kt[6]); n2s(key,kt[7]);
+ kt = &(ks->data[0][0]);
+ n2s(key, kt[0]);
+ n2s(key, kt[1]);
+ n2s(key, kt[2]);
+ n2s(key, kt[3]);
+ n2s(key, kt[4]);
+ n2s(key, kt[5]);
+ n2s(key, kt[6]);
+ n2s(key, kt[7]);
- kf=kt;
- kt+=8;
- for (i=0; i<6; i++)
- {
- r2= kf[1];
- r1= kf[2];
- *(kt++)= ((r2<<9) | (r1>>7))&0xffff;
- r0= kf[3];
- *(kt++)= ((r1<<9) | (r0>>7))&0xffff;
- r1= kf[4];
- *(kt++)= ((r0<<9) | (r1>>7))&0xffff;
- r0= kf[5];
- *(kt++)= ((r1<<9) | (r0>>7))&0xffff;
- r1= kf[6];
- *(kt++)= ((r0<<9) | (r1>>7))&0xffff;
- r0= kf[7];
- *(kt++)= ((r1<<9) | (r0>>7))&0xffff;
- r1= kf[0];
- if (i >= 5) break;
- *(kt++)= ((r0<<9) | (r1>>7))&0xffff;
- *(kt++)= ((r1<<9) | (r2>>7))&0xffff;
- kf+=8;
- }
+ kf = kt;
+ kt += 8;
+ for (i = 0; i < 6; i++)
+ {
+ r2 = kf[1];
+ r1 = kf[2];
+ *(kt++) = ((r2 << 9) | (r1 >> 7)) & 0xffff;
+ r0 = kf[3];
+ *(kt++) = ((r1 << 9) | (r0 >> 7)) & 0xffff;
+ r1 = kf[4];
+ *(kt++) = ((r0 << 9) | (r1 >> 7)) & 0xffff;
+ r0 = kf[5];
+ *(kt++) = ((r1 << 9) | (r0 >> 7)) & 0xffff;
+ r1 = kf[6];
+ *(kt++) = ((r0 << 9) | (r1 >> 7)) & 0xffff;
+ r0 = kf[7];
+ *(kt++) = ((r1 << 9) | (r0 >> 7)) & 0xffff;
+ r1 = kf[0];
+ if (i >= 5)
+ break;
+ *(kt++) = ((r0 << 9) | (r1 >> 7)) & 0xffff;
+ *(kt++) = ((r1 << 9) | (r2 >> 7)) & 0xffff;
+ kf += 8;
}
+}
-void idea_set_decrypt_key(IDEA_KEY_SCHEDULE *ek, IDEA_KEY_SCHEDULE *dk)
- {
+void
+idea_set_decrypt_key(IDEA_KEY_SCHEDULE *ek, IDEA_KEY_SCHEDULE *dk)
+{
int r;
- IDEA_INT *fp,*tp,t;
+ IDEA_INT *fp, *tp, t;
- tp= &(dk->data[0][0]);
- fp= &(ek->data[8][0]);
- for (r=0; r<9; r++)
- {
- *(tp++)=inverse(fp[0]);
- *(tp++)=((int)(0x10000L-fp[2])&0xffff);
- *(tp++)=((int)(0x10000L-fp[1])&0xffff);
- *(tp++)=inverse(fp[3]);
- if (r == 8) break;
- fp-=6;
- *(tp++)=fp[4];
- *(tp++)=fp[5];
- }
+ tp = &(dk->data[0][0]);
+ fp = &(ek->data[8][0]);
+ for (r = 0; r < 9; r++)
+ {
+ *(tp++) = inverse(fp[0]);
+ *(tp++) = ((int)(0x10000L - fp[2]) & 0xffff);
+ *(tp++) = ((int)(0x10000L - fp[1]) & 0xffff);
+ *(tp++) = inverse(fp[3]);
+ if (r == 8)
+ break;
+ fp -= 6;
+ *(tp++) = fp[4];
+ *(tp++) = fp[5];
+ }
- tp= &(dk->data[0][0]);
- t=tp[1];
- tp[1]=tp[2];
- tp[2]=t;
+ tp = &(dk->data[0][0]);
+ t = tp[1];
+ tp[1] = tp[2];
+ tp[2] = t;
- t=tp[49];
- tp[49]=tp[50];
- tp[50]=t;
- }
+ t = tp[49];
+ tp[49] = tp[50];
+ tp[50] = t;
+}
/* taken directly from the 'paper' I'll have a look at it later */
-static IDEA_INT inverse(unsigned int xin)
- {
- long n1,n2,q,r,b1,b2,t;
+static IDEA_INT
+inverse(unsigned int xin)
+{
+ long n1, n2, q, r, b1, b2, t;
if (xin == 0)
- b2=0;
- else
- {
- n1=0x10001;
- n2=xin;
- b2=1;
- b1=0;
+ b2 = 0;
+ else {
+ n1 = 0x10001;
+ n2 = xin;
+ b2 = 1;
+ b1 = 0;
- do {
- r=(n1%n2);
- q=(n1-r)/n2;
- if (r == 0)
- { if (b2 < 0) b2=0x10001+b2; }
- else
- {
- n1=n2;
- n2=r;
- t=b2;
- b2=b1-q*b2;
- b1=t;
- }
- } while (r != 0);
- }
- return((IDEA_INT)b2);
+ do {
+ r = (n1 % n2);
+ q = (n1 - r)/n2;
+ if (r == 0) {
+ if (b2 < 0)
+ b2 = 0x10001 + b2;
+ } else {
+ n1 = n2;
+ n2 = r;
+ t = b2;
+ b2 = b1 - q*b2;
+ b1 = t;
+ }
+ } while (r != 0);
}
+ return ((IDEA_INT)b2);
+}
-/* $OpenBSD: idea.h,v 1.10 2014/06/12 15:49:29 deraadt Exp $ */
+/* $OpenBSD: idea.h,v 1.11 2023/07/07 12:51:58 beck Exp $ */
/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* 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:
* 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
* 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
extern "C" {
#endif
-typedef struct idea_key_st
- {
+typedef struct idea_key_st {
IDEA_INT data[9][6];
- } IDEA_KEY_SCHEDULE;
+} IDEA_KEY_SCHEDULE;
const char *idea_options(void);
void idea_ecb_encrypt(const unsigned char *in, unsigned char *out,
- IDEA_KEY_SCHEDULE *ks);
+ IDEA_KEY_SCHEDULE *ks);
void idea_set_encrypt_key(const unsigned char *key, IDEA_KEY_SCHEDULE *ks);
void idea_set_decrypt_key(IDEA_KEY_SCHEDULE *ek, IDEA_KEY_SCHEDULE *dk);
void idea_cbc_encrypt(const unsigned char *in, unsigned char *out,
- long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv,int enc);
+ long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv, int enc);
void idea_cfb64_encrypt(const unsigned char *in, unsigned char *out,
- long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv,
- int *num,int enc);
+ long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv,
+ int *num, int enc);
void idea_ofb64_encrypt(const unsigned char *in, unsigned char *out,
- long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv, int *num);
+ long length, IDEA_KEY_SCHEDULE *ks, unsigned char *iv, int *num);
void idea_encrypt(unsigned long *in, IDEA_KEY_SCHEDULE *ks);
#ifdef __cplusplus
}
-/* $OpenBSD: idea_local.h,v 1.1 2022/11/26 16:08:53 tb Exp $ */
+/* $OpenBSD: idea_local.h,v 1.2 2023/07/07 12:51:58 beck Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* 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:
* 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
* 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
* [including the GNU Public Licence.]
*/
-/* The new form of this macro (check if the a*b == 0) was suggested by
+/* The new form of this macro (check if the a*b == 0) was suggested by
* Colin Plumb <colin@nyx10.cs.du.edu> */
/* Removal of the inner if from from Wei Dai 24/4/96 */
-#define idea_mul(r,a,b,ul) \
-ul=(unsigned long)a*b; \
-if (ul != 0) \
- { \
- r=(ul&0xffff)-(ul>>16); \
- r-=((r)>>16); \
- } \
-else \
+#define idea_mul(r,a,b,ul) \
+ul=(unsigned long)a*b; \
+if (ul != 0) \
+ { \
+ r=(ul&0xffff)-(ul>>16); \
+ r-=((r)>>16); \
+ } \
+else \
r=(-(int)a-b+1); /* assuming a or b is 0 and in range */
/* 7/12/95 - Many thanks to Rhys Weatherley <rweather@us.oracle.com>
*/
/* NOTE - c is not incremented as per n2l */
-#define n2ln(c,l1,l2,n) { \
- c+=n; \
- l1=l2=0; \
- switch (n) { \
- case 8: l2 =((unsigned long)(*(--(c)))) ; \
- case 7: l2|=((unsigned long)(*(--(c))))<< 8; \
- case 6: l2|=((unsigned long)(*(--(c))))<<16; \
- case 5: l2|=((unsigned long)(*(--(c))))<<24; \
- case 4: l1 =((unsigned long)(*(--(c)))) ; \
- case 3: l1|=((unsigned long)(*(--(c))))<< 8; \
- case 2: l1|=((unsigned long)(*(--(c))))<<16; \
- case 1: l1|=((unsigned long)(*(--(c))))<<24; \
- } \
+#define n2ln(c,l1,l2,n) { \
+ c+=n; \
+ l1=l2=0; \
+ switch (n) { \
+ case 8: l2 =((unsigned long)(*(--(c)))) ; \
+ case 7: l2|=((unsigned long)(*(--(c))))<< 8; \
+ case 6: l2|=((unsigned long)(*(--(c))))<<16; \
+ case 5: l2|=((unsigned long)(*(--(c))))<<24; \
+ case 4: l1 =((unsigned long)(*(--(c)))) ; \
+ case 3: l1|=((unsigned long)(*(--(c))))<< 8; \
+ case 2: l1|=((unsigned long)(*(--(c))))<<16; \
+ case 1: l1|=((unsigned long)(*(--(c))))<<24; \
+ } \
}
/* NOTE - c is not incremented as per l2n */
-#define l2nn(l1,l2,c,n) { \
- c+=n; \
- switch (n) { \
- case 8: *(--(c))=(unsigned char)(((l2) )&0xff); \
- case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
- case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
- case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
- case 4: *(--(c))=(unsigned char)(((l1) )&0xff); \
- case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
- case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
- case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
- } \
+#define l2nn(l1,l2,c,n) { \
+ c+=n; \
+ switch (n) { \
+ case 8: *(--(c))=(unsigned char)(((l2) )&0xff);\
+ case 7: *(--(c))=(unsigned char)(((l2)>> 8)&0xff);\
+ case 6: *(--(c))=(unsigned char)(((l2)>>16)&0xff);\
+ case 5: *(--(c))=(unsigned char)(((l2)>>24)&0xff);\
+ case 4: *(--(c))=(unsigned char)(((l1) )&0xff);\
+ case 3: *(--(c))=(unsigned char)(((l1)>> 8)&0xff);\
+ case 2: *(--(c))=(unsigned char)(((l1)>>16)&0xff);\
+ case 1: *(--(c))=(unsigned char)(((l1)>>24)&0xff);\
+ } \
}
#undef n2l
-#define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24L, \
- l|=((unsigned long)(*((c)++)))<<16L, \
- l|=((unsigned long)(*((c)++)))<< 8L, \
+#define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24L, \
+ l|=((unsigned long)(*((c)++)))<<16L, \
+ l|=((unsigned long)(*((c)++)))<< 8L, \
l|=((unsigned long)(*((c)++))))
#undef l2n
-#define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \
- *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
- *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
+#define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24L)&0xff), \
+ *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
+ *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
*((c)++)=(unsigned char)(((l) )&0xff))
#undef s2n
#define n2s(c,l) (l =((IDEA_INT)(*((c)++)))<< 8L, \
l|=((IDEA_INT)(*((c)++))) )
-#define E_IDEA(num) \
- x1&=0xffff; \
- idea_mul(x1,x1,*p,ul); p++; \
- x2+= *(p++); \
- x3+= *(p++); \
- x4&=0xffff; \
- idea_mul(x4,x4,*p,ul); p++; \
- t0=(x1^x3)&0xffff; \
- idea_mul(t0,t0,*p,ul); p++; \
- t1=(t0+(x2^x4))&0xffff; \
- idea_mul(t1,t1,*p,ul); p++; \
- t0+=t1; \
- x1^=t1; \
- x4^=t0; \
- ul=x2^t0; /* do the swap to x3 */ \
- x2=x3^t1; \
+#define E_IDEA(num) \
+ x1&=0xffff; \
+ idea_mul(x1,x1,*p,ul); p++; \
+ x2+= *(p++); \
+ x3+= *(p++); \
+ x4&=0xffff; \
+ idea_mul(x4,x4,*p,ul); p++; \
+ t0=(x1^x3)&0xffff; \
+ idea_mul(t0,t0,*p,ul); p++; \
+ t1=(t0+(x2^x4))&0xffff; \
+ idea_mul(t1,t1,*p,ul); p++; \
+ t0+=t1; \
+ x1^=t1; \
+ x4^=t0; \
+ ul=x2^t0; /* do the swap to x3 */ \
+ x2=x3^t1; \
x3=ul;
-