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Add SM9 BN curve sm9bn256v1 over GF(p)

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The recommended BN curve over 256 -bit prime field. The OID of the curve might be modified in the future.
This commit is contained in:
Zhi Guan
2018-09-13 15:58:53 +08:00
parent f303eba06b
commit e789127a9a
6 changed files with 79 additions and 29 deletions
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42
crypto/ec/ec_curve.c
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@@ -2880,6 +2880,44 @@ static const struct {
};
#endif
#ifndef OPENSSL_NO_SM9
static const struct {
EC_CURVE_DATA h;
unsigned char data[0 + 32 * 6];
} _EC_SM9_BN_256V1 = {
{
NID_X9_62_prime_field, 0, 32, 1
},
{
/* no seed */
/* p */
0xB6, 0x40, 0x00, 0x00, 0x02, 0xA3, 0xA6, 0xF1, 0xD6, 0x03, 0xAB, 0x4F,
0xF5, 0x8E, 0xC7, 0x45, 0x21, 0xF2, 0x93, 0x4B, 0x1A, 0x7A, 0xEE, 0xDB,
0xE5, 0x6F, 0x9B, 0x27, 0xE3, 0x51, 0x45, 0x7D,
/* a */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* b */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
/* x */
0x93, 0xDE, 0x05, 0x1D, 0x62, 0xBF, 0x71, 0x8F, 0xF5, 0xED, 0x07, 0x04,
0x48, 0x7D, 0x01, 0xD6, 0xE1, 0xE4, 0x08, 0x69, 0x09, 0xDC, 0x32, 0x80,
0xE8, 0xC4, 0xE4, 0x81, 0x7C, 0x66, 0xDD, 0xDD,
/* y */
0x21, 0xFE, 0x8D, 0xDA, 0x4F, 0x21, 0xE6, 0x07, 0x63, 0x10, 0x65, 0x12,
0x5C, 0x39, 0x5B, 0xBC, 0x1C, 0x1C, 0x00, 0xCB, 0xFA, 0x60, 0x24, 0x35,
0x0C, 0x46, 0x4C, 0xD7, 0x0A, 0x3E, 0xA6, 0x16,
/* order */
0xB6, 0x40, 0x00, 0x00, 0x02, 0xA3, 0xA6, 0xF1, 0xD6, 0x03, 0xAB, 0x4F,
0xF5, 0x8E, 0xC7, 0x44, 0x49, 0xF2, 0x93, 0x4B, 0x18, 0xEA, 0x8B, 0xEE,
0xE5, 0x6E, 0xE1, 0x9C, 0xD6, 0x9E, 0xCF, 0x25,
}
};
#endif
typedef struct _ec_list_element_st {
int nid;
const EC_CURVE_DATA *data;
@@ -3102,6 +3140,10 @@ static const ec_list_element curve_list[] = {
{NID_wapip192v1, &_EC_WAPI_PRIME_192V1.h, 0,
"WAPI curve over a 192 bit prime field"},
#endif
#ifndef OPENSSL_NO_SM9
{NID_sm9bn256v1, &_EC_SM9_BN_256V1.h, 0,
"SM9 BN curve over a 256 bit prime field"},
#endif
};
#define curve_list_length OSSL_NELEM(curve_list)