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add krb5_enctype_to_oid and krb5_oid_to_enctype

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@13809 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2004-04-26 20:49:50 +00:00
parent 36033ab9d4
commit 4354a5a5dc
1 changed files with 60 additions and 1 deletions
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61
lib/krb5/crypto.c
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@@ -58,6 +58,8 @@ struct krb5_crypto_data {
void *params;
};
#define kcrypto_oid_enc(n) { sizeof(n)/sizeof(n[0]), n }
#define CRYPTO_ETYPE(C) ((C)->et->type)
/* bits for `flags' below */
@@ -117,6 +119,7 @@ struct checksum_type {
struct encryption_type {
krb5_enctype type;
const char *name;
heim_oid *oid;
size_t blocksize;
size_t padsize;
size_t confoundersize;
@@ -2699,6 +2702,7 @@ ARCFOUR_encrypt(krb5_context context,
static struct encryption_type enctype_null = {
ETYPE_NULL,
"null",
NULL,
1,
1,
0,
@@ -2711,6 +2715,7 @@ static struct encryption_type enctype_null = {
static struct encryption_type enctype_des_cbc_crc = {
ETYPE_DES_CBC_CRC,
"des-cbc-crc",
NULL,
8,
8,
8,
@@ -2723,6 +2728,7 @@ static struct encryption_type enctype_des_cbc_crc = {
static struct encryption_type enctype_des_cbc_md4 = {
ETYPE_DES_CBC_MD4,
"des-cbc-md4",
NULL,
8,
8,
8,
@@ -2735,6 +2741,7 @@ static struct encryption_type enctype_des_cbc_md4 = {
static struct encryption_type enctype_des_cbc_md5 = {
ETYPE_DES_CBC_MD5,
"des-cbc-md5",
NULL,
8,
8,
8,
@@ -2747,6 +2754,7 @@ static struct encryption_type enctype_des_cbc_md5 = {
static struct encryption_type enctype_arcfour_hmac_md5 = {
ETYPE_ARCFOUR_HMAC_MD5,
"arcfour-hmac-md5",
NULL,
1,
1,
8,
@@ -2759,6 +2767,7 @@ static struct encryption_type enctype_arcfour_hmac_md5 = {
static struct encryption_type enctype_des3_cbc_md5 = {
ETYPE_DES3_CBC_MD5,
"des3-cbc-md5",
NULL,
8,
8,
8,
@@ -2771,6 +2780,7 @@ static struct encryption_type enctype_des3_cbc_md5 = {
static struct encryption_type enctype_des3_cbc_sha1 = {
ETYPE_DES3_CBC_SHA1,
"des3-cbc-sha1",
NULL,
8,
8,
8,
@@ -2783,6 +2793,7 @@ static struct encryption_type enctype_des3_cbc_sha1 = {
static struct encryption_type enctype_old_des3_cbc_sha1 = {
ETYPE_OLD_DES3_CBC_SHA1,
"old-des3-cbc-sha1",
NULL,
8,
8,
8,
@@ -2796,6 +2807,7 @@ static struct encryption_type enctype_old_des3_cbc_sha1 = {
static struct encryption_type enctype_aes128_cts_hmac_sha1 = {
ETYPE_AES128_CTS_HMAC_SHA1_96,
"aes128-cts-hmac-sha1-96",
NULL,
16,
1,
16,
@@ -2808,6 +2820,7 @@ static struct encryption_type enctype_aes128_cts_hmac_sha1 = {
static struct encryption_type enctype_aes256_cts_hmac_sha1 = {
ETYPE_AES256_CTS_HMAC_SHA1_96,
"aes256-cts-hmac-sha1-96",
NULL,
16,
1,
16,
@@ -2820,6 +2833,7 @@ static struct encryption_type enctype_aes256_cts_hmac_sha1 = {
static struct encryption_type enctype_aes128_cbc_none = {
ETYPE_AES128_CBC_NONE,
"aes128-cbc-none",
NULL,
16,
16,
16,
@@ -2832,6 +2846,7 @@ static struct encryption_type enctype_aes128_cbc_none = {
static struct encryption_type enctype_aes192_cbc_none = {
ETYPE_AES192_CBC_NONE,
"aes192-cbc-none",
NULL,
16,
16,
16,
@@ -2844,6 +2859,7 @@ static struct encryption_type enctype_aes192_cbc_none = {
static struct encryption_type enctype_aes256_cbc_none = {
ETYPE_AES256_CBC_NONE,
"aes256-cbc-none",
NULL,
16,
16,
16,
@@ -2857,6 +2873,7 @@ static struct encryption_type enctype_aes256_cbc_none = {
static struct encryption_type enctype_des_cbc_none = {
ETYPE_DES_CBC_NONE,
"des-cbc-none",
NULL,
8,
8,
0,
@@ -2869,6 +2886,7 @@ static struct encryption_type enctype_des_cbc_none = {
static struct encryption_type enctype_des_cfb64_none = {
ETYPE_DES_CFB64_NONE,
"des-cfb64-none",
NULL,
1,
1,
0,
@@ -2881,6 +2899,7 @@ static struct encryption_type enctype_des_cfb64_none = {
static struct encryption_type enctype_des_pcbc_none = {
ETYPE_DES_PCBC_NONE,
"des-pcbc-none",
NULL,
8,
8,
0,
@@ -2890,9 +2909,12 @@ static struct encryption_type enctype_des_pcbc_none = {
F_PSEUDO,
DES_PCBC_encrypt_key_ivec,
};
static unsigned des_ede3_cbc_num[] = { 1, 2, 840, 113549, 3, 7 };
static heim_oid des_ede3_cbc_oid = kcrypto_oid_enc(des_ede3_cbc_num);
static struct encryption_type enctype_des3_cbc_none = {
ETYPE_DES3_CBC_NONE,
"des3-cbc-none",
&des_ede3_cbc_oid,
8,
8,
0,
@@ -2902,9 +2924,12 @@ static struct encryption_type enctype_des3_cbc_none = {
F_PSEUDO,
DES3_CBC_encrypt,
};
static unsigned rc2CBC_num[] = { 1, 2, 840, 113549, 3, 2 };
static heim_oid rc2CBC_oid = kcrypto_oid_enc(rc2CBC_num);
static struct encryption_type enctype_rc2_cbc_none = {
ETYPE_RC2_CBC_NONE,
"rc2-cbc-none",
&rc2CBC_oid,
8,
8,
0,
@@ -2915,7 +2940,6 @@ static struct encryption_type enctype_rc2_cbc_none = {
RC2_CBC_encrypt,
};
static struct encryption_type *etypes[] = {
&enctype_null,
&enctype_des_cbc_crc,
@@ -2989,6 +3013,41 @@ krb5_string_to_enctype(krb5_context context,
return KRB5_PROG_ETYPE_NOSUPP;
}
krb5_error_code
krb5_enctype_to_oid(krb5_context context,
krb5_enctype etype,
heim_oid *oid)
{
struct encryption_type *et = _find_enctype(etype);
if(et == NULL) {
krb5_set_error_string (context, "encryption type %d not supported",
etype);
return KRB5_PROG_ETYPE_NOSUPP;
}
if(et->oid == NULL) {
krb5_set_error_string (context, "%s have not oid", et->name);
return KRB5_PROG_ETYPE_NOSUPP;
}
krb5_clear_error_string(context);
return copy_oid(et->oid, oid);
}
krb5_error_code
krb5_oid_to_enctype(krb5_context context,
const heim_oid *oid,
krb5_enctype *etype)
{
int i;
for(i = 0; i < num_etypes; i++) {
if(heim_oid_cmp(etypes[i]->oid, oid) == 0) {
*etype = etypes[i]->type;
return 0;
}
}
krb5_set_error_string(context, "enctype for oid not supported");
return KRB5_PROG_ETYPE_NOSUPP;
}
krb5_error_code
krb5_enctype_to_keytype(krb5_context context,
krb5_enctype etype,