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@ -23,7 +23,7 @@ |
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#include "../pnacl_main.h" |
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#include "../pnacl_main.h" |
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#include "iguana777.h" |
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#include "iguana777.h" |
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#include "SuperNET.h" |
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#include "SuperNET.h" |
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#include <stdio.h> |
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// ALL globals must be here!
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// ALL globals must be here!
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char *Iguana_validcommands[] = |
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char *Iguana_validcommands[] = |
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{ |
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{ |
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@ -527,15 +527,10 @@ extern gfshare_rand_func_t gfshare_fill_rand; |
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/* ------------------------------------------------------[ Preparation ]---- */ |
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/* ------------------------------------------------------[ Preparation ]---- */ |
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/* Initialise a gfshare context for producing shares */ |
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/* Initialise a gfshare context for producing shares */ |
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gfshare_ctx* gfshare_ctx_init_enc(uint8_t* /* sharenrs */, |
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gfshare_ctx* gfshare_ctx_init_enc(uint8_t* /* sharenrs */,unsigned int /* sharecount */, uint8_t /* threshold */,unsigned int /* size */); |
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unsigned int /* sharecount */, |
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uint8_t /* threshold */, |
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unsigned int /* size */); |
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/* Initialise a gfshare context for recombining shares */ |
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/* Initialise a gfshare context for recombining shares */ |
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gfshare_ctx* gfshare_ctx_init_dec(uint8_t* /* sharenrs */, |
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gfshare_ctx* gfshare_ctx_init_dec(uint8_t* /* sharenrs */,unsigned int /* sharecount */,unsigned int /* size */); |
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unsigned int /* sharecount */, |
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unsigned int /* size */); |
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/* Free a share context's memory. */ |
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/* Free a share context's memory. */ |
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void gfshare_ctx_free(gfshare_ctx* /* ctx */); |
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void gfshare_ctx_free(gfshare_ctx* /* ctx */); |
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@ -543,35 +538,28 @@ void gfshare_ctx_free(gfshare_ctx* /* ctx */); |
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/* --------------------------------------------------------[ Splitting ]---- */ |
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/* --------------------------------------------------------[ Splitting ]---- */ |
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/* Provide a secret to the encoder. (this re-scrambles the coefficients) */ |
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/* Provide a secret to the encoder. (this re-scrambles the coefficients) */ |
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void gfshare_ctx_enc_setsecret(gfshare_ctx* /* ctx */, |
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void gfshare_ctx_enc_setsecret(gfshare_ctx* /* ctx */,uint8_t* /* secret */); |
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uint8_t* /* secret */); |
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/* Extract a share from the context.
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/* Extract a share from the context.
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* 'share' must be preallocated and at least 'size' bytes long. |
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* 'share' must be preallocated and at least 'size' bytes long. |
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* 'sharenr' is the index into the 'sharenrs' array of the share you want. |
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* 'sharenr' is the index into the 'sharenrs' array of the share you want. |
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*/ |
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*/ |
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void gfshare_ctx_enc_getshare(gfshare_ctx* /* ctx */, |
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void gfshare_ctx_enc_getshare(gfshare_ctx* /* ctx */,uint8_t /* sharenr */,uint8_t* /* share */); |
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uint8_t /* sharenr */, |
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uint8_t* /* share */); |
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/* ----------------------------------------------------[ Recombination ]---- */ |
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/* ----------------------------------------------------[ Recombination ]---- */ |
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/* Inform a recombination context of a change in share indexes */ |
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/* Inform a recombination context of a change in share indexes */ |
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void gfshare_ctx_dec_newshares(gfshare_ctx* /* ctx */, |
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void gfshare_ctx_dec_newshares(gfshare_ctx* /* ctx */, uint8_t* /* sharenrs */); |
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uint8_t* /* sharenrs */); |
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/* Provide a share context with one of the shares.
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/* Provide a share context with one of the shares.
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* The 'sharenr' is the index into the 'sharenrs' array |
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* The 'sharenr' is the index into the 'sharenrs' array |
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*/ |
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*/ |
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void gfshare_ctx_dec_giveshare(gfshare_ctx* /* ctx */, |
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void gfshare_ctx_dec_giveshare(gfshare_ctx* /* ctx */,uint8_t /* sharenr */,uint8_t* /* share */); |
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uint8_t /* sharenr */, |
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uint8_t* /* share */); |
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/* Extract the secret by interpolation of the shares.
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/* Extract the secret by interpolation of the shares.
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* secretbuf must be allocated and at least 'size' bytes long |
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* secretbuf must be allocated and at least 'size' bytes long |
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*/ |
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*/ |
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void gfshare_ctx_dec_extract(gfshare_ctx* /* ctx */, |
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void gfshare_ctx_dec_extract(gfshare_ctx* /* ctx */,uint8_t* /* secretbuf */); |
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uint8_t* /* secretbuf */); |
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#endif /* LIBGFSHARE_H */ |
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#endif /* LIBGFSHARE_H */ |
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@ -592,9 +580,7 @@ struct _gfshare_ctx { |
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unsigned int buffersize; |
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unsigned int buffersize; |
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}; |
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}; |
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static void |
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static void _gfshare_fill_rand_using_random( uint8_t* buffer,unsigned int count ) |
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_gfshare_fill_rand_using_random( uint8_t* buffer, |
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unsigned int count ) |
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{ |
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{ |
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OS_randombytes(buffer,count); |
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OS_randombytes(buffer,count); |
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/*unsigned int i;
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/*unsigned int i;
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@ -609,11 +595,7 @@ gfshare_rand_func_t gfshare_fill_rand = NULL; |
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/* ------------------------------------------------------[ Preparation ]---- */ |
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/* ------------------------------------------------------[ Preparation ]---- */ |
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static gfshare_ctx * |
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static gfshare_ctx * _gfshare_ctx_init_core( uint8_t *sharenrs,unsigned int sharecount,uint8_t threshold,unsigned int size ) |
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_gfshare_ctx_init_core( uint8_t *sharenrs, |
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unsigned int sharecount, |
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uint8_t threshold, |
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unsigned int size ) |
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{ |
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{ |
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gfshare_ctx *ctx; |
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gfshare_ctx *ctx; |
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@ -649,11 +631,7 @@ _gfshare_ctx_init_core( uint8_t *sharenrs, |
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} |
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} |
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/* Initialise a gfshare context for producing shares */ |
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/* Initialise a gfshare context for producing shares */ |
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gfshare_ctx * |
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gfshare_ctx * gfshare_ctx_init_enc( uint8_t* sharenrs,unsigned int sharecount,uint8_t threshold,unsigned int size ) |
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gfshare_ctx_init_enc( uint8_t* sharenrs, |
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unsigned int sharecount, |
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uint8_t threshold, |
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unsigned int size ) |
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{ |
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{ |
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unsigned int i; |
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unsigned int i; |
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@ -671,10 +649,7 @@ gfshare_ctx_init_enc( uint8_t* sharenrs, |
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} |
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} |
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/* Initialise a gfshare context for recombining shares */ |
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/* Initialise a gfshare context for recombining shares */ |
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gfshare_ctx* |
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gfshare_ctx* gfshare_ctx_init_dec( uint8_t* sharenrs,unsigned int sharecount,unsigned int size ) |
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gfshare_ctx_init_dec( uint8_t* sharenrs, |
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unsigned int sharecount, |
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unsigned int size ) |
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{ |
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{ |
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gfshare_ctx *ctx = _gfshare_ctx_init_core( sharenrs, sharecount, sharecount, size ); |
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gfshare_ctx *ctx = _gfshare_ctx_init_core( sharenrs, sharecount, sharecount, size ); |
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@ -685,8 +660,7 @@ gfshare_ctx_init_dec( uint8_t* sharenrs, |
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} |
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} |
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/* Free a share context's memory. */ |
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/* Free a share context's memory. */ |
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void |
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void gfshare_ctx_free( gfshare_ctx* ctx ) |
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gfshare_ctx_free( gfshare_ctx* ctx ) |
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{ |
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{ |
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gfshare_fill_rand( ctx->buffer, ctx->buffersize ); |
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gfshare_fill_rand( ctx->buffer, ctx->buffersize ); |
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gfshare_fill_rand( ctx->sharenrs, ctx->sharecount ); |
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gfshare_fill_rand( ctx->sharenrs, ctx->sharecount ); |
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@ -699,9 +673,7 @@ gfshare_ctx_free( gfshare_ctx* ctx ) |
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/* --------------------------------------------------------[ Splitting ]---- */ |
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/* --------------------------------------------------------[ Splitting ]---- */ |
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/* Provide a secret to the encoder. (this re-scrambles the coefficients) */ |
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/* Provide a secret to the encoder. (this re-scrambles the coefficients) */ |
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void |
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void gfshare_ctx_enc_setsecret( gfshare_ctx* ctx,uint8_t* secret) |
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gfshare_ctx_enc_setsecret( gfshare_ctx* ctx, |
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uint8_t* secret) |
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{ |
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{ |
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memcpy( ctx->buffer + ((ctx->threshold-1) * ctx->size), |
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memcpy( ctx->buffer + ((ctx->threshold-1) * ctx->size), |
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secret, |
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secret, |
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@ -713,10 +685,7 @@ gfshare_ctx_enc_setsecret( gfshare_ctx* ctx, |
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* 'share' must be preallocated and at least 'size' bytes long. |
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* 'share' must be preallocated and at least 'size' bytes long. |
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* 'sharenr' is the index into the 'sharenrs' array of the share you want. |
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* 'sharenr' is the index into the 'sharenrs' array of the share you want. |
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*/ |
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*/ |
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void |
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void gfshare_ctx_enc_getshare( gfshare_ctx* ctx,uint8_t sharenr,uint8_t* share) |
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gfshare_ctx_enc_getshare( gfshare_ctx* ctx, |
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uint8_t sharenr, |
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uint8_t* share) |
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{ |
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{ |
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unsigned int pos, coefficient; |
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unsigned int pos, coefficient; |
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unsigned int ilog = logs[ctx->sharenrs[sharenr]]; |
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unsigned int ilog = logs[ctx->sharenrs[sharenr]]; |
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@ -738,9 +707,7 @@ gfshare_ctx_enc_getshare( gfshare_ctx* ctx, |
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/* ----------------------------------------------------[ Recombination ]---- */ |
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/* ----------------------------------------------------[ Recombination ]---- */ |
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/* Inform a recombination context of a change in share indexes */ |
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/* Inform a recombination context of a change in share indexes */ |
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void |
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void gfshare_ctx_dec_newshares( gfshare_ctx* ctx,uint8_t* sharenrs) |
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gfshare_ctx_dec_newshares( gfshare_ctx* ctx, |
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uint8_t* sharenrs) |
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{ |
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{ |
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memcpy( ctx->sharenrs, sharenrs, ctx->sharecount ); |
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memcpy( ctx->sharenrs, sharenrs, ctx->sharecount ); |
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} |
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} |
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@ -748,10 +715,7 @@ gfshare_ctx_dec_newshares( gfshare_ctx* ctx, |
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/* Provide a share context with one of the shares.
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/* Provide a share context with one of the shares.
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* The 'sharenr' is the index into the 'sharenrs' array |
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* The 'sharenr' is the index into the 'sharenrs' array |
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*/ |
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*/ |
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void |
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void gfshare_ctx_dec_giveshare( gfshare_ctx* ctx,uint8_t sharenr,uint8_t* share ) |
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gfshare_ctx_dec_giveshare( gfshare_ctx* ctx, |
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uint8_t sharenr, |
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uint8_t* share ) |
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{ |
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{ |
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memcpy( ctx->buffer + (sharenr * ctx->size), share, ctx->size ); |
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memcpy( ctx->buffer + (sharenr * ctx->size), share, ctx->size ); |
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} |
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} |
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@ -759,9 +723,7 @@ gfshare_ctx_dec_giveshare( gfshare_ctx* ctx, |
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/* Extract the secret by interpolation of the shares.
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/* Extract the secret by interpolation of the shares.
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* secretbuf must be allocated and at least 'size' bytes long |
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* secretbuf must be allocated and at least 'size' bytes long |
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*/ |
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*/ |
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void |
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void gfshare_ctx_dec_extract( gfshare_ctx* ctx,uint8_t* secretbuf ) |
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gfshare_ctx_dec_extract( gfshare_ctx* ctx, |
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uint8_t* secretbuf ) |
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{ |
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{ |
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unsigned int i, j; |
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unsigned int i, j; |
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uint8_t *secret_ptr, *share_ptr, sharei,sharej; |
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uint8_t *secret_ptr, *share_ptr, sharei,sharej; |
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@ -839,7 +801,7 @@ void calc_shares(uint8_t *shares,uint8_t *secret,int32_t size,int32_t width,int3 |
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free(buffer); |
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free(buffer); |
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} |
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} |
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#include <stdio.h> |
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//#include <stdio.h>
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int32_t test(int32_t M,int32_t N,int32_t datasize) |
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int32_t test(int32_t M,int32_t N,int32_t datasize) |
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{ |
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{ |
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@ -967,8 +929,7 @@ int32_t init_sharenrs(uint8_t sharenrs[255],uint8_t *orig,int32_t m,int32_t n) |
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/* Construct and write out the tables for the gfshare code */ |
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/* Construct and write out the tables for the gfshare code */ |
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int |
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int maingen(int argc, char** argv) |
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maingen(int argc, char** argv) |
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{ |
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{ |
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uint8_t logs[256]; |
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uint8_t logs[256]; |
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uint8_t exps[255]; |
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uint8_t exps[255]; |
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Mayur Nagekar
9 years ago