include/wcc.h.in [32:179]: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #include "pbc_support.h" /* Field size is assumed to be greater than or equal to group size */ #define WCC_PGS_ZZZ MODBYTES_XXX /**< WCC Group Size */ #define WCC_PFS_ZZZ MODBYTES_XXX /**< WCC Field Size */ #define WCC_OK 0 /**< Function completed without error */ #define WCC_INVALID_POINT -51 /**< Point is NOT on the curve */ #define TIME_SLOT_MINUTES 1440 /**< Time Slot = 1 day */ #define PIV 12 /**< AES-GCM Initialization Vector Size */ #define PTAG 16 /**< AES-GCM MAC Size */ /** * @brief Generate a random integer * * Generate a random number modulus the group order. * * @param RNG cryptographically secure random number generator * @param S Returned random integer modulus the group order */ int WCC_ZZZ_RANDOM_GENERATE(csprng *RNG,octet* S); /** * @brief Hash EC Points and Id to an integer * * Perform sha256 of EC Points and Id. Map to an integer modulo the * curve order. * *
    *
  1. x = toInteger(sha256(A,B,C,D)) *
  2. h = x % q where q is the curve order *
* * @param sha Hash type * @param A EC Point * @param B EC Point * @param C EC Point * @param D Identity * @param h Integer result */ void WCC_ZZZ_Hq(int sha,octet *A,octet *B,octet *C,octet *D,octet *h); /** * @brief Calculate value in G2 multiplied by an integer * * Calculate a value in G2. VG2 = s*H2(ID) where ID is the identity. * *
    *
  1. VG2 = s*H2(ID) *
* * @param S integer modulus curve order * @param HID Hash of ID padded with zeros to the field size * @param VG2 EC Point VG2 = s*H2(ID) * @return rtn Returns 0 if successful or else an error code */ int WCC_ZZZ_GET_G2_MULTIPLE(octet *S,octet *HID,octet *VG2); /** * @brief Calculate value in G1 multiplied by an integer * * Calculate a value in G1. VG1 = s*H1(ID) where ID is the identity. * *
    *
  1. VG1 = s*H1(ID) *
* * @param S integer modulus curve order * @param HID Hash of ID padded with zeros to the field size * @param VG1 EC point VG1 = s*H1(ID) * @return rtn Returns 0 if successful or else an error code */ int WCC_ZZZ_GET_G1_MULTIPLE(octet *S,octet *HID,octet *VG1); /** * @brief Calculate the sender AES key * * Calculate the sender AES Key. * *
    *
  1. j=e((x+pia).AKeyG1,pib.BG2+PbG2) *
  2. K=H(j,x.PgG1) *
* * @param sha Hash type * @param xOct Random x < q where q is the curve order * @param piaOct Hq(PaG1,PbG2,PgG1) * @param pibOct Hq(PbG2,PaG1,PgG1) * @param PbG2Oct y.BG2 where y < q * @param PgG1Oct w.AG1 where w < q * @param AKeyG1Oct Sender key * @param IdBOct Receiver identity * @param AESKeyOct Returned AES key * @return rtn Returns 0 if successful or else an error code */ int WCC_ZZZ_SENDER_KEY(int sha, octet *xOct, octet *piaOct, octet *pibOct, octet *PbG2Oct, octet *PgG1Oct, octet *AKeyG1Oct, octet *IdBOct, octet *AESKeyOct); /** * @brief Calculate the receiver AES key * * Calculate the receiver AES key. * *
    *
  1. j=e(pia.AG1+PaG1,(y+pib).BKeyG2) *
  2. K=H(j,w.PaG1) *
* * @param sha Hash type * @param yOct Random y < q where q is the curve order * @param wOct Random w < q where q is the curve order * @param piaOct Hq(PaG1,PbG2,PgG1) * @param pibOct Hq(PbG2,PaG1,PgG1) * @param PaG1Oct x.AG1 where x < q * @param PgG1Oct w.AG1 where w < q * @param BKeyG2Oct Receiver key * @param IdAOct Sender identity * @param AESKeyOct AES key returned * @return rtn Returns 0 if successful or else an error code */ int WCC_ZZZ_RECEIVER_KEY(int sha, octet *yOct, octet *wOct, octet *piaOct, octet *pibOct, octet *PaG1Oct, octet *PgG1Oct, octet *BKeyG2Oct, octet *IdAOct, octet *AESKeyOct); /** * @brief Add two members from the group G1 * * Add two members from the group G1. * * @param R1 member of G1 * @param R2 member of G1 * @param R returns member of G1 = R1+R2 * @return Returns 0 if successful or else an error code */ int WCC_ZZZ_RECOMBINE_G1(octet *R1,octet *R2,octet *R); /** * @brief Add two members from the group G2 * * Add two members from the group G2. * * @param W1 member of G2 * @param W2 member of G2 * @param W returns member of G2 = W1+W2 * @return Returns 0 if successful or else an error code */ int WCC_ZZZ_RECOMBINE_G2(octet *W1,octet *W2,octet *W); #endif - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - include/wcc256.h.in [32:179]: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #include "pbc_support.h" /* Field size is assumed to be greater than or equal to group size */ #define WCC_PGS_ZZZ MODBYTES_XXX /**< WCC Group Size */ #define WCC_PFS_ZZZ MODBYTES_XXX /**< WCC Field Size */ #define WCC_OK 0 /**< Function completed without error */ #define WCC_INVALID_POINT -51 /**< Point is NOT on the curve */ #define TIME_SLOT_MINUTES 1440 /**< Time Slot = 1 day */ #define PIV 12 /**< AES-GCM Initialization Vector Size */ #define PTAG 16 /**< AES-GCM MAC Size */ /** * @brief Generate a random integer * * Generate a random number modulus the group order. * * @param RNG cryptographically secure random number generator * @param S Returned random integer modulus the group order */ int WCC_ZZZ_RANDOM_GENERATE(csprng *RNG,octet* S); /** * @brief Hash EC Points and Id to an integer * * Perform sha256 of EC Points and Id. Map to an integer modulo the * curve order. * *
    *
  1. x = toInteger(sha256(A,B,C,D)) *
  2. h = x % q where q is the curve order *
* * @param sha Hash type * @param A EC Point * @param B EC Point * @param C EC Point * @param D Identity * @param h Integer result */ void WCC_ZZZ_Hq(int sha,octet *A,octet *B,octet *C,octet *D,octet *h); /** * @brief Calculate value in G2 multiplied by an integer * * Calculate a value in G2. VG2 = s*H2(ID) where ID is the identity. * *
    *
  1. VG2 = s*H2(ID) *
* * @param S integer modulus curve order * @param HID Hash of ID padded with zeros to the field size * @param VG2 EC Point VG2 = s*H2(ID) * @return rtn Returns 0 if successful or else an error code */ int WCC_ZZZ_GET_G2_MULTIPLE(octet *S,octet *HID,octet *VG2); /** * @brief Calculate value in G1 multiplied by an integer * * Calculate a value in G1. VG1 = s*H1(ID) where ID is the identity. * *
    *
  1. VG1 = s*H1(ID) *
* * @param S integer modulus curve order * @param HID Hash of ID padded with zeros to the field size * @param VG1 EC point VG1 = s*H1(ID) * @return rtn Returns 0 if successful or else an error code */ int WCC_ZZZ_GET_G1_MULTIPLE(octet *S,octet *HID,octet *VG1); /** * @brief Calculate the sender AES key * * Calculate the sender AES Key. * *
    *
  1. j=e((x+pia).AKeyG1,pib.BG2+PbG2) *
  2. K=H(j,x.PgG1) *
* * @param sha Hash type * @param xOct Random x < q where q is the curve order * @param piaOct Hq(PaG1,PbG2,PgG1) * @param pibOct Hq(PbG2,PaG1,PgG1) * @param PbG2Oct y.BG2 where y < q * @param PgG1Oct w.AG1 where w < q * @param AKeyG1Oct Sender key * @param IdBOct Receiver identity * @param AESKeyOct Returned AES key * @return rtn Returns 0 if successful or else an error code */ int WCC_ZZZ_SENDER_KEY(int sha, octet *xOct, octet *piaOct, octet *pibOct, octet *PbG2Oct, octet *PgG1Oct, octet *AKeyG1Oct, octet *IdBOct, octet *AESKeyOct); /** * @brief Calculate the receiver AES key * * Calculate the receiver AES key. * *
    *
  1. j=e(pia.AG1+PaG1,(y+pib).BKeyG2) *
  2. K=H(j,w.PaG1) *
* * @param sha Hash type * @param yOct Random y < q where q is the curve order * @param wOct Random w < q where q is the curve order * @param piaOct Hq(PaG1,PbG2,PgG1) * @param pibOct Hq(PbG2,PaG1,PgG1) * @param PaG1Oct x.AG1 where x < q * @param PgG1Oct w.AG1 where w < q * @param BKeyG2Oct Receiver key * @param IdAOct Sender identity * @param AESKeyOct AES key returned * @return rtn Returns 0 if successful or else an error code */ int WCC_ZZZ_RECEIVER_KEY(int sha, octet *yOct, octet *wOct, octet *piaOct, octet *pibOct, octet *PaG1Oct, octet *PgG1Oct, octet *BKeyG2Oct, octet *IdAOct, octet *AESKeyOct); /** * @brief Add two members from the group G1 * * Add two members from the group G1. * * @param R1 member of G1 * @param R2 member of G1 * @param R returns member of G1 = R1+R2 * @return Returns 0 if successful or else an error code */ int WCC_ZZZ_RECOMBINE_G1(octet *R1,octet *R2,octet *R); /** * @brief Add two members from the group G2 * * Add two members from the group G2. * * @param W1 member of G2 * @param W2 member of G2 * @param W returns member of G2 = W1+W2 * @return Returns 0 if successful or else an error code */ int WCC_ZZZ_RECOMBINE_G2(octet *W1,octet *W2,octet *W); #endif - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -