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allow rhizome manifest signature blocks >255 bytes

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This commit is contained in:
Paul Gardner-Stephen 2022-05-31 16:35:33 +09:30
parent b5eedaac3a
commit b0b5edc573
1 changed files with 1 additions and 1 deletions
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2
rhizome_crypto.c
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@ -449,7 +449,7 @@ int rhizome_manifest_extract_signature(rhizome_manifest *m, unsigned *ofs)
assert((*ofs) < m->manifest_all_bytes);
const unsigned char *sig = m->manifestdata + *ofs;
uint8_t sigType = m->manifestdata[*ofs];
uint8_t len = (sigType << 2) + 4 + 1;
uint16_t len = (sigType << 2) + 4 + 1;
if (*ofs + len > m->manifest_all_bytes) {
WARNF("Invalid signature at offset %u: type=%#02x gives len=%u that overruns manifest size",
*ofs, sigType, len);