diff options
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/ecc.c | 6 | ||||
| -rw-r--r-- | crypto/ecc_curve_defs.h | 17 |
2 files changed, 23 insertions, 0 deletions
diff --git a/crypto/ecc.c b/crypto/ecc.c index 4b55ad062600..0798a1836e58 100644 --- a/crypto/ecc.c +++ b/crypto/ecc.c @@ -43,6 +43,12 @@ typedef struct { u64 m_high; } uint128_t; +/* Returns curv25519 curve param */ +const struct ecc_curve *ecc_get_curve25519(void) +{ + return &ecc_25519; +} +EXPORT_SYMBOL(ecc_get_curve25519); const struct ecc_curve *ecc_get_curve(unsigned int curve_id) { diff --git a/crypto/ecc_curve_defs.h b/crypto/ecc_curve_defs.h index 69be6c7d228f..d7769ccc4c8e 100644 --- a/crypto/ecc_curve_defs.h +++ b/crypto/ecc_curve_defs.h @@ -54,4 +54,21 @@ static struct ecc_curve nist_p256 = { .b = nist_p256_b }; +/* curve25519 */ +static u64 curve25519_g_x[] = { 0x0000000000000009, 0x0000000000000000, + 0x0000000000000000, 0x0000000000000000 }; +static u64 curve25519_p[] = { 0xffffffffffffffed, 0xffffffffffffffff, + 0xffffffffffffffff, 0x7fffffffffffffff }; +static u64 curve25519_a[] = { 0x000000000001DB41, 0x0000000000000000, + 0x0000000000000000, 0x0000000000000000 }; +static const struct ecc_curve ecc_25519 = { + .name = "curve25519", + .g = { + .x = curve25519_g_x, + .ndigits = 4, + }, + .p = curve25519_p, + .a = curve25519_a, +}; + #endif |