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moved openssl to slsSupportLib
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173
slsSupportLib/opensslMd5/md5.h
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173
slsSupportLib/opensslMd5/md5.h
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/*
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* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/*
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* Modifications 2021 Paul Scherrer Institut
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* Removed most of the code that is not relevant for our scope.
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* Snippets copied from md5_local.h or md32_common.h has been marked
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*/
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#ifndef HEADER_MD5_H
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# define HEADER_MD5_H
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# include <stddef.h>
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# ifdef __cplusplus
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extern "C" {
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# endif
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/*
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* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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* ! MD5_LONG has to be at least 32 bits wide. !
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* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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*/
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# define MD5_LONG unsigned int
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# define MD5_CBLOCK 64
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# define MD5_LBLOCK (MD5_CBLOCK/4)
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# define MD5_DIGEST_LENGTH 16
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/**
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* Modification 2021 Paul Scherrer Institut
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* Comment from md32_common.h
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*/
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/*-
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* This is a generic 32 bit "collector" for message digest algorithms.
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* Whenever needed it collects input character stream into chunks of
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* 32 bit values and invokes a block function that performs actual hash
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* calculations.
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*
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* Porting guide.
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*
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* Obligatory macros:
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*
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* DATA_ORDER_IS_BIG_ENDIAN or DATA_ORDER_IS_LITTLE_ENDIAN
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* this macro defines byte order of input stream.
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* HASH_CBLOCK
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* size of a unit chunk HASH_BLOCK operates on.
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* HASH_LONG
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* has to be at least 32 bit wide.
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* HASH_CTX
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* context structure that at least contains following
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* members:
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* typedef struct {
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* ...
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* HASH_LONG Nl,Nh;
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* either {
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* HASH_LONG data[HASH_LBLOCK];
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* unsigned char data[HASH_CBLOCK];
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* };
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* unsigned int num;
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* ...
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* } HASH_CTX;
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* data[] vector is expected to be zeroed upon first call to
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* HASH_UPDATE.
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* HASH_UPDATE
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* name of "Update" function, implemented here.
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* HASH_TRANSFORM
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* name of "Transform" function, implemented here.
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* HASH_FINAL
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* name of "Final" function, implemented here.
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* HASH_BLOCK_DATA_ORDER
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* name of "block" function capable of treating *unaligned* input
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* message in original (data) byte order, implemented externally.
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* HASH_MAKE_STRING
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* macro converting context variables to an ASCII hash string.
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*
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* MD5 example:
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*
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* #define DATA_ORDER_IS_LITTLE_ENDIAN
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*
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* #define HASH_LONG MD5_LONG
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* #define HASH_CTX MD5_CTX
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* #define HASH_CBLOCK MD5_CBLOCK
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* #define HASH_UPDATE MD5_Update
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* #define HASH_TRANSFORM MD5_Transform
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* #define HASH_FINAL MD5_Final
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* #define HASH_BLOCK_DATA_ORDER md5_block_data_order
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*/
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# define MD32_REG_T int
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/**
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* Modification 2021 Paul Scherrer Institut
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* Made default little endian if big endian not defined
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*/
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#ifndef DATA_ORDER_IS_BIG_ENDIAN
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#define DATA_ORDER_IS_LITTLE_ENDIAN
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#endif
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/**
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* Modification 2021 Paul Scherrer Institut
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* Macros exported from md32_common.h
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*/
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#define HASH_LONG MD5_LONG
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#define HASH_CTX MD5_CTX
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#define HASH_CBLOCK MD5_CBLOCK
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#define HASH_UPDATE MD5_Update
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#define HASH_TRANSFORM MD5_Transform
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#define HASH_FINAL MD5_Final
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#define HASH_BLOCK_DATA_ORDER md5_block_data_order
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#define HASH_MAKE_STRING(c,s) do { \
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unsigned long ll; \
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ll=(c)->A; (void)HOST_l2c(ll,(s)); \
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ll=(c)->B; (void)HOST_l2c(ll,(s)); \
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ll=(c)->C; (void)HOST_l2c(ll,(s)); \
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ll=(c)->D; (void)HOST_l2c(ll,(s)); \
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} while (0)
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#define ROTATE(a,n) (((a)<<(n))|(((a)&0xffffffff)>>(32-(n))))
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#if defined(DATA_ORDER_IS_BIG_ENDIAN)
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# define HOST_c2l(c,l) (l =(((unsigned long)(*((c)++)))<<24), \
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l|=(((unsigned long)(*((c)++)))<<16), \
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l|=(((unsigned long)(*((c)++)))<< 8), \
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l|=(((unsigned long)(*((c)++))) ) )
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# define HOST_l2c(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
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*((c)++)=(unsigned char)(((l)>>16)&0xff), \
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*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
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*((c)++)=(unsigned char)(((l) )&0xff), \
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l)
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#elif defined(DATA_ORDER_IS_LITTLE_ENDIAN)
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# define HOST_c2l(c,l) (l =(((unsigned long)(*((c)++))) ), \
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l|=(((unsigned long)(*((c)++)))<< 8), \
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l|=(((unsigned long)(*((c)++)))<<16), \
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l|=(((unsigned long)(*((c)++)))<<24) )
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# define HOST_l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
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*((c)++)=(unsigned char)(((l)>> 8)&0xff), \
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*((c)++)=(unsigned char)(((l)>>16)&0xff), \
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*((c)++)=(unsigned char)(((l)>>24)&0xff), \
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l)
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#endif
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typedef struct MD5state_st {
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MD5_LONG A, B, C, D;
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MD5_LONG Nl, Nh;
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MD5_LONG data[MD5_LBLOCK];
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unsigned int num;
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} MD5_CTX;
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int MD5_Init(MD5_CTX *c);
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int MD5_Update(MD5_CTX *c, const void *data, size_t len);
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int MD5_Final(unsigned char *md, MD5_CTX *c);
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/**
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* Modification 2021 Paul Scherrer Institut
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* from md32_common.h
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*/
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void md5_block_data_order(MD5_CTX *c, const void *p, size_t num);
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# ifdef __cplusplus
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}
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# endif
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# endif
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