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(krb5_crypto_init): check that the key size matches the expected length

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@10902 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
2002-04-16 15:58:13 +00:00
parent bd04578214
commit a0428d8b6c
1 changed files with 5 additions and 0 deletions
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5
lib/krb5/crypto.c
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@@ -3001,6 +3001,11 @@ krb5_crypto_init(krb5_context context,
etype); etype);
return KRB5_PROG_ETYPE_NOSUPP; return KRB5_PROG_ETYPE_NOSUPP;
} }
if((*crypto)->et->keytype->size != key->keyvalue.length) {
free(*crypto);
krb5_set_error_string (context, "encryption key has bad length");
return KRB5_BAD_KEYSIZE;
}
ret = krb5_copy_keyblock(context, key, &(*crypto)->key.key); ret = krb5_copy_keyblock(context, key, &(*crypto)->key.key);
if(ret) { if(ret) {
free(*crypto); free(*crypto);