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< div class = "title" > casper_driver_pkha< div class = "ingroups" > < a class = "el" href = "a00239.html" > CASPER: The Cryptographic Accelerator and Signal Processing Engine with RAM sharing< / a > < / div > < / div > < / div >
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< / div > <!-- header -->
< div class = "contents" >
< a name = "details" id = "details" > < / a > < h2 class = "groupheader" > Overview< / h2 >
< table class = "memberdecls" >
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< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a name = "func-members" > < / a >
Functions< / h2 > < / td > < / tr >
< tr class = "memitem:gae23f6641bd6344e7ed2b6daf34be6ab4" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "a00241.html#gae23f6641bd6344e7ed2b6daf34be6ab4" > CASPER_ModExp< / a > (CASPER_Type *base, const uint8_t *signature, const uint8_t *pubN, size_t wordLen, uint32_t pubE, uint8_t *plaintext)< / td > < / tr >
< tr class = "memdesc:gae23f6641bd6344e7ed2b6daf34be6ab4" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Performs modular exponentiation - (A^E) mod N. < a href = "#gae23f6641bd6344e7ed2b6daf34be6ab4" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:gae23f6641bd6344e7ed2b6daf34be6ab4" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:ga56316671d80e86e7a17fbaa73cd074cd" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "a00241.html#ga56316671d80e86e7a17fbaa73cd074cd" > CASPER_ecc_init< / a > (< a class = "el" href = "a00240.html#gaeb3f0a23391e5fed42912a2775e12d44" > casper_algo_t< / a > curve)< / td > < / tr >
< tr class = "memdesc:ga56316671d80e86e7a17fbaa73cd074cd" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Initialize prime modulus mod in Casper memory . < a href = "#ga56316671d80e86e7a17fbaa73cd074cd" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:ga56316671d80e86e7a17fbaa73cd074cd" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:gac491ade7e7adfc6326e5c2f0a88ab88a" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "a00241.html#gac491ade7e7adfc6326e5c2f0a88ab88a" > CASPER_ECC_SECP256R1_Mul< / a > (CASPER_Type *base, uint32_t resX[8], uint32_t resY[8], uint32_t X[8], uint32_t Y[8], uint32_t scalar[8])< / td > < / tr >
< tr class = "memdesc:gac491ade7e7adfc6326e5c2f0a88ab88a" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Performs ECC secp256r1 point single scalar multiplication. < a href = "#gac491ade7e7adfc6326e5c2f0a88ab88a" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:gac491ade7e7adfc6326e5c2f0a88ab88a" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:ga8945a091e4852097e8be400c20c7e683" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "a00241.html#ga8945a091e4852097e8be400c20c7e683" > CASPER_ECC_SECP256R1_MulAdd< / a > (CASPER_Type *base, uint32_t resX[8], uint32_t resY[8], uint32_t X1[8], uint32_t Y1[8], uint32_t scalar1[8], uint32_t X2[8], uint32_t Y2[8], uint32_t scalar2[8])< / td > < / tr >
< tr class = "memdesc:ga8945a091e4852097e8be400c20c7e683" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Performs ECC secp256r1 point double scalar multiplication. < a href = "#ga8945a091e4852097e8be400c20c7e683" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:ga8945a091e4852097e8be400c20c7e683" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:gab51cd9db278d376a0fd37407d19893b0" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "a00241.html#gab51cd9db278d376a0fd37407d19893b0" > CASPER_ECC_SECP384R1_Mul< / a > (CASPER_Type *base, uint32_t resX[12], uint32_t resY[12], uint32_t X[12], uint32_t Y[12], uint32_t scalar[12])< / td > < / tr >
< tr class = "memdesc:gab51cd9db278d376a0fd37407d19893b0" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Performs ECC secp384r1 point single scalar multiplication. < a href = "#gab51cd9db278d376a0fd37407d19893b0" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:gab51cd9db278d376a0fd37407d19893b0" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:ga69fac3671477c8bcd9ccf1ed0f70a4e9" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "a00241.html#ga69fac3671477c8bcd9ccf1ed0f70a4e9" > CASPER_ECC_SECP384R1_MulAdd< / a > (CASPER_Type *base, uint32_t resX[12], uint32_t resY[12], uint32_t X1[12], uint32_t Y1[12], uint32_t scalar1[12], uint32_t X2[12], uint32_t Y2[12], uint32_t scalar2[12])< / td > < / tr >
< tr class = "memdesc:ga69fac3671477c8bcd9ccf1ed0f70a4e9" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Performs ECC secp384r1 point double scalar multiplication. < a href = "#ga69fac3671477c8bcd9ccf1ed0f70a4e9" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:ga69fac3671477c8bcd9ccf1ed0f70a4e9" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:gacb1e9d71e66f066201612a09b933efbb" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "a00241.html#gacb1e9d71e66f066201612a09b933efbb" > CASPER_ECC_SECP521R1_Mul< / a > (CASPER_Type *base, uint32_t resX[18], uint32_t resY[18], uint32_t X[18], uint32_t Y[18], uint32_t scalar[18])< / td > < / tr >
< tr class = "memdesc:gacb1e9d71e66f066201612a09b933efbb" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Performs ECC secp521r1 point single scalar multiplication. < a href = "#gacb1e9d71e66f066201612a09b933efbb" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:gacb1e9d71e66f066201612a09b933efbb" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:gae82edbc3987d06b88a3313f0fbde10f4" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "a00241.html#gae82edbc3987d06b88a3313f0fbde10f4" > CASPER_ECC_SECP521R1_MulAdd< / a > (CASPER_Type *base, uint32_t resX[18], uint32_t resY[18], uint32_t X1[18], uint32_t Y1[18], uint32_t scalar1[18], uint32_t X2[18], uint32_t Y2[18], uint32_t scalar2[18])< / td > < / tr >
< tr class = "memdesc:gae82edbc3987d06b88a3313f0fbde10f4" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Performs ECC secp521r1 point double scalar multiplication. < a href = "#gae82edbc3987d06b88a3313f0fbde10f4" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:gae82edbc3987d06b88a3313f0fbde10f4" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< / table >
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< h2 class = "groupheader" > Function Documentation< / h2 >
< a class = "anchor" id = "gae23f6641bd6344e7ed2b6daf34be6ab4" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > void CASPER_ModExp < / td >
< td > (< / td >
< td class = "paramtype" > CASPER_Type *  < / td >
< td class = "paramname" > < em > base< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const uint8_t *  < / td >
< td class = "paramname" > < em > signature< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const uint8_t *  < / td >
< td class = "paramname" > < em > pubN< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > size_t  < / td >
< td class = "paramname" > < em > wordLen< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > pubE< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint8_t *  < / td >
< td class = "paramname" > < em > plaintext< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > This function performs modular exponentiation.< / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > base< / td > < td > CASPER base address < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > signature< / td > < td > first addend (in little endian format) < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > pubN< / td > < td > modulus (in little endian format) < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > wordLen< / td > < td > Size of pubN in bytes < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > pubE< / td > < td > exponent < / td > < / tr >
< tr > < td class = "paramdir" > [out]< / td > < td class = "paramname" > plaintext< / td > < td > Output array to store result of operation (in little endian format) < / td > < / tr >
< / table >
< / dd >
< / dl >
< / div >
< / div >
< a class = "anchor" id = "ga56316671d80e86e7a17fbaa73cd074cd" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > void CASPER_ecc_init < / td >
< td > (< / td >
< td class = "paramtype" > < a class = "el" href = "a00240.html#gaeb3f0a23391e5fed42912a2775e12d44" > casper_algo_t< / a >   < / td >
< td class = "paramname" > < em > curve< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > Set the prime modulus mod in Casper memory and set N_wordlen according to selected algorithm.< / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > curve< / td > < td > elliptic curve algoritm < / td > < / tr >
< / table >
< / dd >
< / dl >
< / div >
< / div >
< a class = "anchor" id = "gac491ade7e7adfc6326e5c2f0a88ab88a" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > void CASPER_ECC_SECP256R1_Mul < / td >
< td > (< / td >
< td class = "paramtype" > CASPER_Type *  < / td >
< td class = "paramname" > < em > base< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > resX< / em > [8], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > resY< / em > [8], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > X< / em > [8], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > Y< / em > [8], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > scalar< / em > [8]  < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > This function performs ECC secp256r1 point single scalar multiplication [resX; resY] = scalar * [X; Y] Coordinates are affine in normal form, little endian. Scalars are little endian. All arrays are little endian byte arrays, uint32_t type is used only to enforce the 32-bit alignment (0-mod-4 address).< / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > base< / td > < td > CASPER base address < / td > < / tr >
< tr > < td class = "paramdir" > [out]< / td > < td class = "paramname" > resX< / td > < td > Output X affine coordinate in normal form, little endian. < / td > < / tr >
< tr > < td class = "paramdir" > [out]< / td > < td class = "paramname" > resY< / td > < td > Output Y affine coordinate in normal form, little endian. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > X< / td > < td > Input X affine coordinate in normal form, little endian. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > Y< / td > < td > Input Y affine coordinate in normal form, little endian. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > scalar< / td > < td > Input scalar integer, in normal form, little endian. < / td > < / tr >
< / table >
< / dd >
< / dl >
< / div >
< / div >
< a class = "anchor" id = "ga8945a091e4852097e8be400c20c7e683" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > void CASPER_ECC_SECP256R1_MulAdd < / td >
< td > (< / td >
< td class = "paramtype" > CASPER_Type *  < / td >
< td class = "paramname" > < em > base< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > resX< / em > [8], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > resY< / em > [8], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > X1< / em > [8], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > Y1< / em > [8], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > scalar1< / em > [8], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > X2< / em > [8], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > Y2< / em > [8], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > scalar2< / em > [8]  < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > This function performs ECC secp256r1 point double scalar multiplication [resX; resY] = scalar1 * [X1; Y1] + scalar2 * [X2; Y2] Coordinates are affine in normal form, little endian. Scalars are little endian. All arrays are little endian byte arrays, uint32_t type is used only to enforce the 32-bit alignment (0-mod-4 address).< / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > base< / td > < td > CASPER base address < / td > < / tr >
< tr > < td class = "paramdir" > [out]< / td > < td class = "paramname" > resX< / td > < td > Output X affine coordinate. < / td > < / tr >
< tr > < td class = "paramdir" > [out]< / td > < td class = "paramname" > resY< / td > < td > Output Y affine coordinate. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > X1< / td > < td > Input X1 affine coordinate. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > Y1< / td > < td > Input Y1 affine coordinate. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > scalar1< / td > < td > Input scalar1 integer. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > X2< / td > < td > Input X2 affine coordinate. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > Y2< / td > < td > Input Y2 affine coordinate. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > scalar2< / td > < td > Input scalar2 integer. < / td > < / tr >
< / table >
< / dd >
< / dl >
< / div >
< / div >
< a class = "anchor" id = "gab51cd9db278d376a0fd37407d19893b0" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > void CASPER_ECC_SECP384R1_Mul < / td >
< td > (< / td >
< td class = "paramtype" > CASPER_Type *  < / td >
< td class = "paramname" > < em > base< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > resX< / em > [12], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > resY< / em > [12], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > X< / em > [12], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > Y< / em > [12], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > scalar< / em > [12]  < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > This function performs ECC secp384r1 point single scalar multiplication [resX; resY] = scalar * [X; Y] Coordinates are affine in normal form, little endian. Scalars are little endian. All arrays are little endian byte arrays, uint32_t type is used only to enforce the 32-bit alignment (0-mod-4 address).< / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > base< / td > < td > CASPER base address < / td > < / tr >
< tr > < td class = "paramdir" > [out]< / td > < td class = "paramname" > resX< / td > < td > Output X affine coordinate in normal form, little endian. < / td > < / tr >
< tr > < td class = "paramdir" > [out]< / td > < td class = "paramname" > resY< / td > < td > Output Y affine coordinate in normal form, little endian. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > X< / td > < td > Input X affine coordinate in normal form, little endian. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > Y< / td > < td > Input Y affine coordinate in normal form, little endian. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > scalar< / td > < td > Input scalar integer, in normal form, little endian. < / td > < / tr >
< / table >
< / dd >
< / dl >
< / div >
< / div >
< a class = "anchor" id = "ga69fac3671477c8bcd9ccf1ed0f70a4e9" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > void CASPER_ECC_SECP384R1_MulAdd < / td >
< td > (< / td >
< td class = "paramtype" > CASPER_Type *  < / td >
< td class = "paramname" > < em > base< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > resX< / em > [12], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > resY< / em > [12], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > X1< / em > [12], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > Y1< / em > [12], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > scalar1< / em > [12], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > X2< / em > [12], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > Y2< / em > [12], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > scalar2< / em > [12]  < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > This function performs ECC secp384r1 point double scalar multiplication [resX; resY] = scalar1 * [X1; Y1] + scalar2 * [X2; Y2] Coordinates are affine in normal form, little endian. Scalars are little endian. All arrays are little endian byte arrays, uint32_t type is used only to enforce the 32-bit alignment (0-mod-4 address).< / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > base< / td > < td > CASPER base address < / td > < / tr >
< tr > < td class = "paramdir" > [out]< / td > < td class = "paramname" > resX< / td > < td > Output X affine coordinate. < / td > < / tr >
< tr > < td class = "paramdir" > [out]< / td > < td class = "paramname" > resY< / td > < td > Output Y affine coordinate. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > X1< / td > < td > Input X1 affine coordinate. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > Y1< / td > < td > Input Y1 affine coordinate. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > scalar1< / td > < td > Input scalar1 integer. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > X2< / td > < td > Input X2 affine coordinate. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > Y2< / td > < td > Input Y2 affine coordinate. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > scalar2< / td > < td > Input scalar2 integer. < / td > < / tr >
< / table >
< / dd >
< / dl >
< / div >
< / div >
< a class = "anchor" id = "gacb1e9d71e66f066201612a09b933efbb" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > void CASPER_ECC_SECP521R1_Mul < / td >
< td > (< / td >
< td class = "paramtype" > CASPER_Type *  < / td >
< td class = "paramname" > < em > base< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > resX< / em > [18], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > resY< / em > [18], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > X< / em > [18], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > Y< / em > [18], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > scalar< / em > [18]  < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > This function performs ECC secp521r1 point single scalar multiplication [resX; resY] = scalar * [X; Y] Coordinates are affine in normal form, little endian. Scalars are little endian. All arrays are little endian byte arrays, uint32_t type is used only to enforce the 32-bit alignment (0-mod-4 address).< / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > base< / td > < td > CASPER base address < / td > < / tr >
< tr > < td class = "paramdir" > [out]< / td > < td class = "paramname" > resX< / td > < td > Output X affine coordinate in normal form, little endian. < / td > < / tr >
< tr > < td class = "paramdir" > [out]< / td > < td class = "paramname" > resY< / td > < td > Output Y affine coordinate in normal form, little endian. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > X< / td > < td > Input X affine coordinate in normal form, little endian. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > Y< / td > < td > Input Y affine coordinate in normal form, little endian. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > scalar< / td > < td > Input scalar integer, in normal form, little endian. < / td > < / tr >
< / table >
< / dd >
< / dl >
< / div >
< / div >
< a class = "anchor" id = "gae82edbc3987d06b88a3313f0fbde10f4" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > void CASPER_ECC_SECP521R1_MulAdd < / td >
< td > (< / td >
< td class = "paramtype" > CASPER_Type *  < / td >
< td class = "paramname" > < em > base< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > resX< / em > [18], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > resY< / em > [18], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > X1< / em > [18], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > Y1< / em > [18], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > scalar1< / em > [18], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > X2< / em > [18], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > Y2< / em > [18], < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > scalar2< / em > [18]  < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > This function performs ECC secp521r1 point double scalar multiplication [resX; resY] = scalar1 * [X1; Y1] + scalar2 * [X2; Y2] Coordinates are affine in normal form, little endian. Scalars are little endian. All arrays are little endian byte arrays, uint32_t type is used only to enforce the 32-bit alignment (0-mod-4 address).< / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > base< / td > < td > CASPER base address < / td > < / tr >
< tr > < td class = "paramdir" > [out]< / td > < td class = "paramname" > resX< / td > < td > Output X affine coordinate. < / td > < / tr >
< tr > < td class = "paramdir" > [out]< / td > < td class = "paramname" > resY< / td > < td > Output Y affine coordinate. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > X1< / td > < td > Input X1 affine coordinate. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > Y1< / td > < td > Input Y1 affine coordinate. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > scalar1< / td > < td > Input scalar1 integer. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > X2< / td > < td > Input X2 affine coordinate. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > Y2< / td > < td > Input Y2 affine coordinate. < / td > < / tr >
< tr > < td class = "paramdir" > < / td > < td class = "paramname" > scalar2< / td > < td > Input scalar2 integer. < / td > < / tr >
< / table >
< / dd >
< / dl >
< / div >
< / div >
2022-04-08 14:42:47 +00:00
< / div > <!-- contents -->
< / div > <!-- doc - content -->
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< li class = "footer" > © 2016 NXP Semiconductors. All rights reserved.
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