diff options
Diffstat (limited to 'include/crypto/curve25519.h')
| -rw-r--r-- | include/crypto/curve25519.h | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/include/crypto/curve25519.h b/include/crypto/curve25519.h index db63a5577c00..2362b48f8741 100644 --- a/include/crypto/curve25519.h +++ b/include/crypto/curve25519.h @@ -13,24 +13,28 @@ enum curve25519_lengths { CURVE25519_KEY_SIZE = 32 }; -void curve25519_generic(u8 out[CURVE25519_KEY_SIZE], - const u8 scalar[CURVE25519_KEY_SIZE], - const u8 point[CURVE25519_KEY_SIZE]); +void curve25519_generic(u8 out[at_least CURVE25519_KEY_SIZE], + const u8 scalar[at_least CURVE25519_KEY_SIZE], + const u8 point[at_least CURVE25519_KEY_SIZE]); -bool __must_check curve25519(u8 mypublic[CURVE25519_KEY_SIZE], - const u8 secret[CURVE25519_KEY_SIZE], - const u8 basepoint[CURVE25519_KEY_SIZE]); +bool __must_check +curve25519(u8 mypublic[at_least CURVE25519_KEY_SIZE], + const u8 secret[at_least CURVE25519_KEY_SIZE], + const u8 basepoint[at_least CURVE25519_KEY_SIZE]); -bool __must_check curve25519_generate_public(u8 pub[CURVE25519_KEY_SIZE], - const u8 secret[CURVE25519_KEY_SIZE]); +bool __must_check +curve25519_generate_public(u8 pub[at_least CURVE25519_KEY_SIZE], + const u8 secret[at_least CURVE25519_KEY_SIZE]); -static inline void curve25519_clamp_secret(u8 secret[CURVE25519_KEY_SIZE]) +static inline void +curve25519_clamp_secret(u8 secret[at_least CURVE25519_KEY_SIZE]) { secret[0] &= 248; secret[31] = (secret[31] & 127) | 64; } -static inline void curve25519_generate_secret(u8 secret[CURVE25519_KEY_SIZE]) +static inline void +curve25519_generate_secret(u8 secret[at_least CURVE25519_KEY_SIZE]) { get_random_bytes_wait(secret, CURVE25519_KEY_SIZE); curve25519_clamp_secret(secret); |