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crypto: add function sc_1()

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jeffro256
2025-03-07 19:43:05 -06:00
parent 13002ddd4b
commit 9d93a3d098
2 changed files with 9 additions and 0 deletions
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src/crypto/crypto-ops.c
+8
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@@ -2429,6 +2429,14 @@ void sc_0(unsigned char *s) {
} }
} }
void sc_1(unsigned char *s) {
int i;
s[0] = 1;
for (i = 1; i < 32; i++) {
s[i] = 0;
}
}
void sc_reduce32(unsigned char *s) { void sc_reduce32(unsigned char *s) {
int64_t s0 = 2097151 & load_3(s); int64_t s0 = 2097151 & load_3(s);
int64_t s1 = 2097151 & (load_4(s + 2) >> 5); int64_t s1 = 2097151 & (load_4(s + 2) >> 5);
src/crypto/crypto-ops.h
+1
View File
@@ -147,6 +147,7 @@ extern const ge_p3 ge_p3_identity;
extern const ge_p3 ge_p3_H; extern const ge_p3 ge_p3_H;
void ge_fromfe_frombytes_vartime(ge_p2 *, const unsigned char *); void ge_fromfe_frombytes_vartime(ge_p2 *, const unsigned char *);
void sc_0(unsigned char *); void sc_0(unsigned char *);
void sc_1(unsigned char *);
void sc_reduce32(unsigned char *); void sc_reduce32(unsigned char *);
void sc_add(unsigned char *, const unsigned char *, const unsigned char *); void sc_add(unsigned char *, const unsigned char *, const unsigned char *);
void sc_sub(unsigned char *, const unsigned char *, const unsigned char *); void sc_sub(unsigned char *, const unsigned char *, const unsigned char *);