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(unwrap_des3): use the checksum as ivec when encrypting the sequence

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@9313 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
2000-12-08 05:05:19 +00:00
parent c91daf6ab7
commit 5d542aef42
2 changed files with 22 additions and 10 deletions
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16
lib/gssapi/unwrap.c
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@@ -290,15 +290,21 @@ unwrap_des3
p -= 28;
ret = krb5_crypto_init(gssapi_krb5_context, key,
ETYPE_DES3_CBC_NONE, &crypto);
ETYPE_DES3_CBC_NONE_IVEC, &crypto);
if (ret) {
*minor_status = ret;
return GSS_S_FAILURE;
}
ret = krb5_decrypt (gssapi_krb5_context,
crypto,
KRB5_KU_USAGE_SEQ,
p, 8, &seq_data);
{
des_cblock ivec;
memcpy(&ivec, p + 8, 8);
ret = krb5_decrypt_ivec (gssapi_krb5_context,
crypto,
KRB5_KU_USAGE_SEQ,
p, 8, &seq_data,
&ivec);
}
krb5_crypto_destroy (gssapi_krb5_context, crypto);
if (ret) {
*minor_status = ret;