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Code Issues Releases Wiki Activity

Fix special RLP case for length=1 firstbyte=0

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This commit is contained in:
Alex Beregszaszi 2016-05-25 20:03:13 +01:00
parent 079d282541
commit 7432805b6a
1 changed files with 2 additions and 1 deletions
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3
firmware/ethereum.c
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@ -43,7 +43,8 @@ struct SHA3_CTX keccak_ctx;
static int rlp_encode_length(uint8_t *buf, int length, uint8_t firstbyte, bool list)
{
if (!list && (length == 1 && firstbyte <= 0x7f)) {
buf[0] = firstbyte;
/* Extra-special case: null is encoded differently */
buf[0] = !firstbyte ? 0x80 : firstbyte;
return 1;
} else if (length <= 55) {
buf[0] = (list ? 0xc0 : 0x80) + length;