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add b to ecdsa_curve structure

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This commit is contained in:
Pavol Rusnak 2015-08-05 18:06:10 +02:00
parent 418e86c293
commit 2e09a9ff35
3 changed files with 9 additions and 1 deletions
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1
ecdsa.h
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@ -40,6 +40,7 @@ typedef struct {
bignum256 order; // order of G bignum256 order; // order of G
bignum256 order_half; // order of G divided by 2 bignum256 order_half; // order of G divided by 2
bignum256 a; // coefficient 'a' of the elliptic curve bignum256 a; // coefficient 'a' of the elliptic curve
bignum256 b; // coefficient 'b' of the elliptic curve
#if USE_PRECOMPUTED_CP #if USE_PRECOMPUTED_CP
const curve_point cp[64][8]; const curve_point cp[64][8];

5
nist256p1.c
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@ -43,6 +43,10 @@ const ecdsa_curve nist256p1 = {
/* a */ { /* a */ {
/*.val =*/{0x3ffffffc, 0x3fffffff, 0x3fffffff, 0x3f, 0x0, 0x0, 0x1000, 0x3fffc000, 0xffff} /*.val =*/{0x3ffffffc, 0x3fffffff, 0x3fffffff, 0x3f, 0x0, 0x0, 0x1000, 0x3fffc000, 0xffff}
},
/* b */ {
/*.val =*/{0x27d2604b, 0x2f38f0f8, 0x53b0f63, 0x741ac33, 0x1886bc65, 0x2ef555da, 0x293e7b3e, 0xd762a8e, 0x5ac6}
} }
#if USE_PRECOMPUTED_CP #if USE_PRECOMPUTED_CP
, ,
@ -50,5 +54,4 @@ const ecdsa_curve nist256p1 = {
#include "nist256p1.table" #include "nist256p1.table"
} }
#endif #endif
}; };

4
secp256k1.c
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@ -43,6 +43,10 @@ const ecdsa_curve secp256k1 = {
/* a */ { /* a */ {
/*.val =*/{0} /*.val =*/{0}
},
/* b */ {
/*.val =*/{7}
} }
#if USE_PRECOMPUTED_CP #if USE_PRECOMPUTED_CP
, ,