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| author | Greg Hudson <ghudson@mit.edu> | 2009-12-10 19:04:47 +0000 |
|---|---|---|
| committer | Greg Hudson <ghudson@mit.edu> | 2009-12-10 19:04:47 +0000 |
| commit | fbaa3d56764545d916cf163d620f2a4d71f24a98 (patch) | |
| tree | efbee2bdf7cdf97aaaa4a246b4d89f3820d7edb0 /src/lib/crypto | |
| parent | bad149c2a94f20df57f9d51810aff23aeb0921a4 (diff) | |
| download | krb5-fbaa3d56764545d916cf163d620f2a4d71f24a98.tar.gz krb5-fbaa3d56764545d916cf163d620f2a4d71f24a98.tar.xz krb5-fbaa3d56764545d916cf163d620f2a4d71f24a98.zip | |
Add comments to make it slightly clearer how
krb5int_confounder_checksum works.
git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@23463 dc483132-0cff-0310-8789-dd5450dbe970
Diffstat (limited to 'src/lib/crypto')
| -rw-r--r-- | src/lib/crypto/krb/checksum/confounder.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/lib/crypto/krb/checksum/confounder.c b/src/lib/crypto/krb/checksum/confounder.c index 73d69e32a..e8c6bd9c4 100644 --- a/src/lib/crypto/krb/checksum/confounder.c +++ b/src/lib/crypto/krb/checksum/confounder.c @@ -69,6 +69,7 @@ krb5int_confounder_checksum(const struct krb5_cksumtypes *ctp, krb5_crypto_iov *hash_iov, iov; size_t blocksize = ctp->enc->block_size, hashsize = ctp->hash->hashsize; + /* Partition the output buffer into confounder and hash. */ conf = make_data(output->data, blocksize); hashval = make_data(output->data + blocksize, hashsize); @@ -92,7 +93,7 @@ krb5int_confounder_checksum(const struct krb5_cksumtypes *ctp, if (ret != 0) goto cleanup; - /* Encrypt the confounder and hash value. */ + /* Confounder and hash are in output buffer; encrypt them in place. */ iov.flags = KRB5_CRYPTO_TYPE_DATA; iov.data = *output; ret = ctp->enc->encrypt(xorkey, NULL, &iov, 1); |