diff options
| -rw-r--r-- | src/constructs/tss/tss.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/constructs/tss/tss.cpp b/src/constructs/tss/tss.cpp index e949c5a09..d0a18f534 100644 --- a/src/constructs/tss/tss.cpp +++ b/src/constructs/tss/tss.cpp @@ -20,7 +20,7 @@ namespace { /** Table for GF(2^8) arithmetic (exponentials) */ -const byte EXP[256] = { +const byte RTSS_EXP[256] = { 0x01, 0x03, 0x05, 0x0F, 0x11, 0x33, 0x55, 0xFF, 0x1A, 0x2E, 0x72, 0x96, 0xA1, 0xF8, 0x13, 0x35, 0x5F, 0xE1, 0x38, 0x48, 0xD8, 0x73, 0x95, 0xA4, 0xF7, 0x02, 0x06, 0x0A, 0x1E, 0x22, 0x66, 0xAA, 0xE5, @@ -49,7 +49,7 @@ const byte EXP[256] = { /** Table for GF(2^8) arithmetic (logarithms) */ -const byte LOG[] = { +const byte RTSS_LOG[] = { 0x90, 0x00, 0x19, 0x01, 0x32, 0x02, 0x1A, 0xC6, 0x4B, 0xC7, 0x1B, 0x68, 0x33, 0xEE, 0xDF, 0x03, 0x64, 0x04, 0xE0, 0x0E, 0x34, 0x8D, 0x81, 0xEF, 0x4C, 0x71, 0x08, 0xC8, 0xF8, 0x69, 0x1C, 0xC1, 0x7D, @@ -79,7 +79,7 @@ byte gfp_mul(byte x, byte y) { if(x == 0 || y == 0) return 0; - return EXP[(LOG[x] + LOG[y]) % 255]; + return RTSS_EXP[(RTSS_LOG[x] + RTSS_LOG[y]) % 255]; } byte rtss_hash_id(const std::string& hash_name) @@ -234,7 +234,9 @@ RTSS_Share::reconstruct(const std::vector<RTSS_Share>& shares) if(share_k == share_l) throw Decoding_Error("Duplicate shares found in RTSS recovery"); - byte div = EXP[(255 + LOG[share_l] - LOG[share_k ^ share_l]) % 255]; + byte div = RTSS_EXP[(255 + + RTSS_LOG[share_l] - + RTSS_LOG[share_k ^ share_l]) % 255]; r2 = gfp_mul(r2, div); } |