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Check key_len in secret_to_key_new()

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This bug shouldn't be reachable so long as secret_to_key_len and
secret_to_key_make_specifier stay in sync, but we might screw up
someday.

Found by coverity; this is CID 1241500
This commit is contained in:
Nick Mathewson 2014-09-26 09:06:36 -04:00
parent 801f4d4384
commit 7c52a0555a
1 changed files with 3 additions and 0 deletions
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3
src/common/crypto_s2k.c
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@ -392,6 +392,9 @@ secret_to_key_new(uint8_t *buf,
type = buf[0];
key_len = secret_to_key_key_len(type);
if (key_len < 0)
return key_len;
if ((int)buf_len < key_len + spec_len)
return S2K_TRUNCATED;