diff options
Diffstat (limited to 'source4/heimdal/lib/krb5/crypto.c')
| -rw-r--r-- | source4/heimdal/lib/krb5/crypto.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/source4/heimdal/lib/krb5/crypto.c b/source4/heimdal/lib/krb5/crypto.c index 2502cc672f..006028b601 100644 --- a/source4/heimdal/lib/krb5/crypto.c +++ b/source4/heimdal/lib/krb5/crypto.c @@ -1496,6 +1496,8 @@ SP_HMAC_SHA1_checksum(krb5_context context, /* * checksum according to section 5. of draft-brezak-win2k-krb-rc4-hmac-03.txt + * + * This function made available to PAC routines */ static krb5_error_code @@ -1547,6 +1549,36 @@ HMAC_MD5_checksum(krb5_context context, return 0; } +/* HMAC-MD5 checksum over any key (needed for the PAC routines) */ +krb5_error_code +HMAC_MD5_any_checksum(krb5_context context, + const krb5_keyblock *key, + const void *data, + size_t len, + unsigned usage, + Checksum *result) +{ + krb5_error_code ret; + struct key_data local_key; + ret = krb5_copy_keyblock(context, key, &local_key.key); + if (ret) + return ret; + + local_key.schedule = NULL; + ret = krb5_data_alloc (&result->checksum, 16); + if (ret) + return ret; + + result->cksumtype = CKSUMTYPE_HMAC_MD5; + ret = HMAC_MD5_checksum(context, &local_key, data, len, usage, result); + + if (ret) + krb5_data_free(&result->checksum); + + krb5_free_keyblock(context, local_key.key); + return ret; +} + static struct checksum_type checksum_none = { CKSUMTYPE_NONE, "none", |