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Merge pull request #10648 from aidankeefe2022/fix-Der-to-Oid-coversion

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Fix EncodedDottedForm to handle when first arc is 2
This commit is contained in:
Aidan Keefe
2026-06-11 15:12:53 -06:00
committed by GitHub
parent bd78a42e9a b810bba09b
commit 744d25fdc3
1 changed files with 13 additions and 2 deletions
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wolfcrypt/src/asn.c
+13 -2
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@@ -37654,6 +37654,10 @@ static int EncodedDottedForm(const byte* in, word32 inSz, word32* out,
return BAD_FUNC_ARG;
}
if (*outSz < 2) {
return BUFFER_E;
}
/* decode bytes */
while (inSz--) {
t = (t << 7) | (in[x] & 0x7F);
@@ -37662,8 +37666,15 @@ static int EncodedDottedForm(const byte* in, word32 inSz, word32* out,
return BUFFER_E;
}
if (y == 0) {
out[0] = (word16)(t / 40);
out[1] = (word16)(t % 40);
/* Special case for when first arc is 2 */
if (t < 80) {
out[0] = t / 40;
out[1] = t % 40;
}
else {
out[0] = 2;
out[1] = t - 80;
}
y = 2;
}
else {