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(usage2arcfour): simplify, only include special cases

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From: Luke Howard <lukeh@PADL.COM>


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@12644 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2003-08-25 22:38:33 +00:00
parent 2bfc42befe
commit 1e1f234862
1 changed files with 10 additions and 40 deletions
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50
lib/krb5/crypto.c
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@@ -2398,58 +2398,28 @@ ARCFOUR_subdecrypt(krb5_context context,
/* /*
* convert the usage numbers used in * convert the usage numbers used in
* draft-ietf-cat-kerb-key-derivation-00.txt to the ones in * draft-ietf-cat-kerb-key-derivation-00.txt to the ones in
* draft-brezak-win2k-krb-rc4-hmac-03.txt * draft-brezak-win2k-krb-rc4-hmac-04.txt
*/ */
static krb5_error_code static krb5_error_code
usage2arcfour (krb5_context context, int *usage) usage2arcfour (krb5_context context, int *usage)
{ {
switch (*usage) { switch (*usage) {
case KRB5_KU_PA_ENC_TIMESTAMP : case KRB5_KU_AS_REP_ENC_PART : /* 3 */
*usage = 1; case KRB5_KU_TGS_REP_ENC_PART_SUB_KEY : /* 9 */
return 0;
case KRB5_KU_TICKET :
*usage = 2;
return 0;
case KRB5_KU_AS_REP_ENC_PART :
*usage = 8; *usage = 8;
return 0; return 0;
case KRB5_KU_TGS_REQ_AUTH_DAT_SESSION : case KRB5_KU_USAGE_SEAL : /* 22 */
case KRB5_KU_TGS_REQ_AUTH_DAT_SUBKEY :
case KRB5_KU_TGS_REQ_AUTH_CKSUM :
case KRB5_KU_TGS_REQ_AUTH :
*usage = 7;
return 0;
case KRB5_KU_TGS_REP_ENC_PART_SESSION :
case KRB5_KU_TGS_REP_ENC_PART_SUB_KEY :
*usage = 8;
return 0;
case KRB5_KU_AP_REQ_AUTH_CKSUM :
case KRB5_KU_AP_REQ_AUTH :
case KRB5_KU_AP_REQ_ENC_PART :
*usage = 11;
return 0;
case KRB5_KU_KRB_PRIV :
*usage = 0;
return 0;
case KRB5_KU_USAGE_SEAL :
*usage = 13; *usage = 13;
return 0; return 0;
case KRB5_KU_USAGE_SIGN : case KRB5_KU_USAGE_SIGN : /* 23 */
*usage = 15; *usage = 15;
return 0;
case KRB5_KU_USAGE_SEQ: /* 24 */
*usage = 0;
return 0; return 0;
case KRB5_KU_KRB_CRED :
case KRB5_KU_KRB_SAFE_CKSUM :
case KRB5_KU_OTHER_ENCRYPTED :
case KRB5_KU_OTHER_CKSUM :
case KRB5_KU_KRB_ERROR :
case KRB5_KU_AD_KDC_ISSUED :
case KRB5_KU_MANDATORY_TICKET_EXTENSION :
case KRB5_KU_AUTH_DATA_TICKET_EXTENSION :
case KRB5_KU_USAGE_SEQ :
default : default :
krb5_set_error_string(context, "unknown arcfour usage type %d", *usage); return 0;
return KRB5_PROG_ETYPE_NOSUPP;
} }
} }