Differential D22184 Diff 64134 www/qt5-webengine/files/patch-src_3rdparty_chromium_third__party_boringssl_src_third__party_fiat_p256.c
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www/qt5-webengine/files/patch-src_3rdparty_chromium_third__party_boringssl_src_third__party_fiat_p256.c
- This file was added.
| Property | Old Value | New Value |
|---|---|---|
| fbsd:nokeywords | null | yes \ No newline at end of property |
| svn:eol-style | null | native \ No newline at end of property |
| svn:mime-type | null | text/plain \ No newline at end of property |
| --- src/3rdparty/chromium/third_party/boringssl/src/third_party/fiat/p256.c.orig 2019-05-23 12:39:34 UTC | |||||
| +++ src/3rdparty/chromium/third_party/boringssl/src/third_party/fiat/p256.c | |||||
| @@ -882,12 +882,24 @@ static void fe_tobytes(uint8_t out[NBYTES], const fe i | |||||
| } | |||||
| } | |||||
| +#ifdef OPENSSL_BIGENDIAN | |||||
| +static void fe_tobytes_be(uint8_t out[NBYTES], const fe in) { | |||||
| + for (int i = 0; i<NBYTES; i++) { | |||||
| + out[i ^ (BN_BYTES-1)] = (uint8_t)(in[i/sizeof(in[0])] >> (8*(i%sizeof(in[0])))); | |||||
| + } | |||||
| +} | |||||
| +#endif | |||||
| + | |||||
| static void fe_frombytes(fe out, const uint8_t in[NBYTES]) { | |||||
| for (int i = 0; i<NLIMBS; i++) { | |||||
| out[i] = 0; | |||||
| } | |||||
| for (int i = 0; i<NBYTES; i++) { | |||||
| +#ifdef OPENSSL_BIGENDIAN | |||||
| + out[i/sizeof(out[0])] |= ((limb_t)in[i ^ (BN_BYTES-1)]) << (8*(i%sizeof(out[0]))); | |||||
| +#else | |||||
| out[i/sizeof(out[0])] |= ((limb_t)in[i]) << (8*(i%sizeof(out[0]))); | |||||
| +#endif | |||||
| } | |||||
| } | |||||
| @@ -906,7 +918,11 @@ static void fe_to_generic(EC_FELEM *out, const fe in) | |||||
| OPENSSL_STATIC_ASSERT( | |||||
| 256 / 8 == sizeof(BN_ULONG) * ((256 + BN_BITS2 - 1) / BN_BITS2), | |||||
| "fe_tobytes leaves bytes uninitialized"); | |||||
| +#ifdef OPENSSL_BIGENDIAN | |||||
| + fe_tobytes_be(out->bytes, in); | |||||
| +#else | |||||
| fe_tobytes(out->bytes, in); | |||||
| +#endif | |||||
| } | |||||
| // fe_inv calculates |out| = |in|^{-1} | |||||
| @@ -1524,7 +1540,11 @@ static char get_bit(const uint8_t *in, int i) { | |||||
| if (i < 0 || i >= 256) { | |||||
| return 0; | |||||
| } | |||||
| +#ifdef OPENSSL_BIGENDIAN | |||||
| + return (in[(i >> 3) ^ (sizeof(BN_ULONG)-1)] >> (i & 7)) & 1; | |||||
| +#else | |||||
| return (in[i >> 3] >> (i & 7)) & 1; | |||||
| +#endif | |||||
| } | |||||
| // Interleaved point multiplication using precomputed point multiples: The | |||||