diff options
Diffstat (limited to 'crypto/openssl/crypto/ec/ecp_nistp521.c')
-rw-r--r-- | crypto/openssl/crypto/ec/ecp_nistp521.c | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/crypto/openssl/crypto/ec/ecp_nistp521.c b/crypto/openssl/crypto/ec/ecp_nistp521.c index 75eeba853679..08b32787293b 100644 --- a/crypto/openssl/crypto/ec/ecp_nistp521.c +++ b/crypto/openssl/crypto/ec/ecp_nistp521.c @@ -128,6 +128,7 @@ static const felem_bytearray nistp521_curve_params[5] = { # define NLIMBS 9 typedef uint64_t limb; +typedef limb limb_aX __attribute((__aligned__(1))); typedef limb felem[NLIMBS]; typedef uint128_t largefelem[NLIMBS]; @@ -141,14 +142,14 @@ static const limb bottom58bits = 0x3ffffffffffffff; static void bin66_to_felem(felem out, const u8 in[66]) { out[0] = (*((limb *) & in[0])) & bottom58bits; - out[1] = (*((limb *) & in[7]) >> 2) & bottom58bits; - out[2] = (*((limb *) & in[14]) >> 4) & bottom58bits; - out[3] = (*((limb *) & in[21]) >> 6) & bottom58bits; - out[4] = (*((limb *) & in[29])) & bottom58bits; - out[5] = (*((limb *) & in[36]) >> 2) & bottom58bits; - out[6] = (*((limb *) & in[43]) >> 4) & bottom58bits; - out[7] = (*((limb *) & in[50]) >> 6) & bottom58bits; - out[8] = (*((limb *) & in[58])) & bottom57bits; + out[1] = (*((limb_aX *) & in[7]) >> 2) & bottom58bits; + out[2] = (*((limb_aX *) & in[14]) >> 4) & bottom58bits; + out[3] = (*((limb_aX *) & in[21]) >> 6) & bottom58bits; + out[4] = (*((limb_aX *) & in[29])) & bottom58bits; + out[5] = (*((limb_aX *) & in[36]) >> 2) & bottom58bits; + out[6] = (*((limb_aX *) & in[43]) >> 4) & bottom58bits; + out[7] = (*((limb_aX *) & in[50]) >> 6) & bottom58bits; + out[8] = (*((limb_aX *) & in[58])) & bottom57bits; } /* @@ -159,14 +160,14 @@ static void felem_to_bin66(u8 out[66], const felem in) { memset(out, 0, 66); (*((limb *) & out[0])) = in[0]; - (*((limb *) & out[7])) |= in[1] << 2; - (*((limb *) & out[14])) |= in[2] << 4; - (*((limb *) & out[21])) |= in[3] << 6; - (*((limb *) & out[29])) = in[4]; - (*((limb *) & out[36])) |= in[5] << 2; - (*((limb *) & out[43])) |= in[6] << 4; - (*((limb *) & out[50])) |= in[7] << 6; - (*((limb *) & out[58])) = in[8]; + (*((limb_aX *) & out[7])) |= in[1] << 2; + (*((limb_aX *) & out[14])) |= in[2] << 4; + (*((limb_aX *) & out[21])) |= in[3] << 6; + (*((limb_aX *) & out[29])) = in[4]; + (*((limb_aX *) & out[36])) |= in[5] << 2; + (*((limb_aX *) & out[43])) |= in[6] << 4; + (*((limb_aX *) & out[50])) |= in[7] << 6; + (*((limb_aX *) & out[58])) = in[8]; } /* BN_to_felem converts an OpenSSL BIGNUM into an felem */ |