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add b to ecdsa_curve structure
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1
ecdsa.h
1
ecdsa.h
@ -40,6 +40,7 @@ typedef struct {
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bignum256 order; // order of G
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bignum256 order_half; // order of G divided by 2
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bignum256 a; // coefficient 'a' of the elliptic curve
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bignum256 b; // coefficient 'b' of the elliptic curve
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#if USE_PRECOMPUTED_CP
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const curve_point cp[64][8];
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@ -43,6 +43,10 @@ const ecdsa_curve nist256p1 = {
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/* a */ {
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/*.val =*/{0x3ffffffc, 0x3fffffff, 0x3fffffff, 0x3f, 0x0, 0x0, 0x1000, 0x3fffc000, 0xffff}
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},
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/* b */ {
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/*.val =*/{0x27d2604b, 0x2f38f0f8, 0x53b0f63, 0x741ac33, 0x1886bc65, 0x2ef555da, 0x293e7b3e, 0xd762a8e, 0x5ac6}
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}
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#if USE_PRECOMPUTED_CP
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,
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@ -50,5 +54,4 @@ const ecdsa_curve nist256p1 = {
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#include "nist256p1.table"
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}
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#endif
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};
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@ -43,6 +43,10 @@ const ecdsa_curve secp256k1 = {
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/* a */ {
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/*.val =*/{0}
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},
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/* b */ {
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/*.val =*/{7}
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}
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#if USE_PRECOMPUTED_CP
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,
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