code / widevine-mirrored-source / 66427ffa50c9a1038998509907e91d0be9ced12a / . / openssl-1.0.0a / crypto / rc2 / rc2_locl.h

/* crypto/rc2/rc2_locl.h */ | |

/* 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: | |

* 1. Redistributions of source code must retain the copyright | |

* notice, this list of conditions and the following disclaimer. | |

* 2. Redistributions in binary form must reproduce the above copyright | |

* notice, this list of conditions and the following disclaimer in the | |

* documentation and/or other materials provided with the distribution. | |

* 3. All advertising materials mentioning features or use of this software | |

* must display the following acknowledgement: | |

* "This product includes cryptographic software written by | |

* 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 | |

* 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 | |

* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |

* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |

* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |

* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |

* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |

* 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.] | |

*/ | |

#undef c2l | |

#define c2l(c,l) (l =((unsigned long)(*((c)++))) , \ | |

l|=((unsigned long)(*((c)++)))<< 8L, \ | |

l|=((unsigned long)(*((c)++)))<<16L, \ | |

l|=((unsigned long)(*((c)++)))<<24L) | |

/* NOTE - c is not incremented as per c2l */ | |

#undef c2ln | |

#define c2ln(c,l1,l2,n) { \ | |

c+=n; \ | |

l1=l2=0; \ | |

switch (n) { \ | |

case 8: l2 =((unsigned long)(*(--(c))))<<24L; \ | |

case 7: l2|=((unsigned long)(*(--(c))))<<16L; \ | |

case 6: l2|=((unsigned long)(*(--(c))))<< 8L; \ | |

case 5: l2|=((unsigned long)(*(--(c)))); \ | |

case 4: l1 =((unsigned long)(*(--(c))))<<24L; \ | |

case 3: l1|=((unsigned long)(*(--(c))))<<16L; \ | |

case 2: l1|=((unsigned long)(*(--(c))))<< 8L; \ | |

case 1: l1|=((unsigned long)(*(--(c)))); \ | |

} \ | |

} | |

#undef l2c | |

#define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ | |

*((c)++)=(unsigned char)(((l)>> 8L)&0xff), \ | |

*((c)++)=(unsigned char)(((l)>>16L)&0xff), \ | |

*((c)++)=(unsigned char)(((l)>>24L)&0xff)) | |

/* NOTE - c is not incremented as per l2c */ | |

#undef l2cn | |

#define l2cn(l1,l2,c,n) { \ | |

c+=n; \ | |

switch (n) { \ | |

case 8: *(--(c))=(unsigned char)(((l2)>>24L)&0xff); \ | |

case 7: *(--(c))=(unsigned char)(((l2)>>16L)&0xff); \ | |

case 6: *(--(c))=(unsigned char)(((l2)>> 8L)&0xff); \ | |

case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ | |

case 4: *(--(c))=(unsigned char)(((l1)>>24L)&0xff); \ | |

case 3: *(--(c))=(unsigned char)(((l1)>>16L)&0xff); \ | |

case 2: *(--(c))=(unsigned char)(((l1)>> 8L)&0xff); \ | |

case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ | |

} \ | |

} | |

/* 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; \ | |

} \ | |

} | |

/* 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); \ | |

} \ | |

} | |

#undef n2l | |

#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), \ | |

*((c)++)=(unsigned char)(((l) )&0xff)) | |

#define C_RC2(n) \ | |

t=(x0+(x1& ~x3)+(x2&x3)+ *(p0++))&0xffff; \ | |

x0=(t<<1)|(t>>15); \ | |

t=(x1+(x2& ~x0)+(x3&x0)+ *(p0++))&0xffff; \ | |

x1=(t<<2)|(t>>14); \ | |

t=(x2+(x3& ~x1)+(x0&x1)+ *(p0++))&0xffff; \ | |

x2=(t<<3)|(t>>13); \ | |

t=(x3+(x0& ~x2)+(x1&x2)+ *(p0++))&0xffff; \ | |

x3=(t<<5)|(t>>11); | |