diff options
Diffstat (limited to 'src/lib/gssapi/krb5/util_cksum.c')
| -rw-r--r-- | src/lib/gssapi/krb5/util_cksum.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/src/lib/gssapi/krb5/util_cksum.c b/src/lib/gssapi/krb5/util_cksum.c index 68561f10b..10e6b657f 100644 --- a/src/lib/gssapi/krb5/util_cksum.c +++ b/src/lib/gssapi/krb5/util_cksum.c @@ -36,20 +36,25 @@ kg_checksum_channel_bindings(context, cb, cksum, bigend) { int len; char *buf, *ptr; + size_t sumlen; + krb5_data plaind; krb5_error_code code; - /* initialize the the cksum and allocate the contents buffer */ + /* initialize the the cksum */ + if (code = krb5_c_checksum_length(context, CKSUMTYPE_RSA_MD5, &sumlen)) + return(code); + cksum->checksum_type = CKSUMTYPE_RSA_MD5; - cksum->length = krb5_checksum_size(context, CKSUMTYPE_RSA_MD5); - if ((cksum->contents = (krb5_octet *) xmalloc(cksum->length)) == NULL) { - return(ENOMEM); - } + cksum->length = sumlen; /* generate a buffer full of zeros if no cb specified */ if (cb == GSS_C_NO_CHANNEL_BINDINGS) { - memset(cksum->contents, '\0', cksum->length); - return(0); + if ((cksum->contents = (krb5_octet *) xmalloc(cksum->length)) == NULL) { + return(ENOMEM); + } + memset(cksum->contents, '\0', cksum->length); + return(0); } /* create the buffer to checksum into */ @@ -75,9 +80,11 @@ kg_checksum_channel_bindings(context, cb, cksum, bigend) /* checksum the data */ - if (code = krb5_calculate_checksum(context, CKSUMTYPE_RSA_MD5, - buf, len, NULL, 0, cksum)) { - xfree(cksum->contents); + plaind.length = len; + plaind.data = buf; + + if (code = krb5_c_make_checksum(context, CKSUMTYPE_RSA_MD5, 0, 0, + &plaind, cksum)) { xfree(buf); return(code); } |