diff options
author | Matt Caswell <matt@openssl.org> | 2015-01-22 03:40:55 +0000 |
---|---|---|
committer | Matt Caswell <matt@openssl.org> | 2015-01-22 09:20:09 +0000 |
commit | 0f113f3ee4d629ef9a4a30911b22b224772085e5 (patch) | |
tree | e014603da5aed1d0751f587a66d6e270b6bda3de /crypto/cast | |
parent | 22b52164aaed31d6e93dbd2d397ace041360e6aa (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.c | 126 | ||||
-rw-r--r-- | crypto/cast/c_ecb.c | 44 | ||||
-rw-r--r-- | crypto/cast/c_enc.c | 276 | ||||
-rw-r--r-- | crypto/cast/c_ofb64.c | 104 | ||||
-rw-r--r-- | crypto/cast/c_skey.c | 205 | ||||
-rw-r--r-- | crypto/cast/cast.h | 61 | ||||
-rw-r--r-- | crypto/cast/cast_lcl.h | 242 | ||||
-rw-r--r-- | crypto/cast/cast_s.h | 1075 | ||||
-rw-r--r-- | crypto/cast/casttest.c | 312 |
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, |