Scott Baker | 2c1c482 | 2019-10-16 11:02:41 -0700 | [diff] [blame^] | 1 | // Package etypeID provides Kerberos 5 encryption type assigned numbers. |
| 2 | package etypeID |
| 3 | |
| 4 | // Kerberos encryption type assigned numbers. |
| 5 | const ( |
| 6 | //RESERVED : 0 |
| 7 | DES_CBC_CRC int32 = 1 |
| 8 | DES_CBC_MD4 int32 = 2 |
| 9 | DES_CBC_MD5 int32 = 3 |
| 10 | DES_CBC_RAW int32 = 4 |
| 11 | DES3_CBC_MD5 int32 = 5 |
| 12 | DES3_CBC_RAW int32 = 6 |
| 13 | DES3_CBC_SHA1 int32 = 7 |
| 14 | DES_HMAC_SHA1 int32 = 8 |
| 15 | DSAWITHSHA1_CMSOID int32 = 9 |
| 16 | MD5WITHRSAENCRYPTION_CMSOID int32 = 10 |
| 17 | SHA1WITHRSAENCRYPTION_CMSOID int32 = 11 |
| 18 | RC2CBC_ENVOID int32 = 12 |
| 19 | RSAENCRYPTION_ENVOID int32 = 13 |
| 20 | RSAES_OAEP_ENV_OID int32 = 14 |
| 21 | DES_EDE3_CBC_ENV_OID int32 = 15 |
| 22 | DES3_CBC_SHA1_KD int32 = 16 |
| 23 | AES128_CTS_HMAC_SHA1_96 int32 = 17 |
| 24 | AES256_CTS_HMAC_SHA1_96 int32 = 18 |
| 25 | AES128_CTS_HMAC_SHA256_128 int32 = 19 |
| 26 | AES256_CTS_HMAC_SHA384_192 int32 = 20 |
| 27 | //UNASSIGNED : 21-22 |
| 28 | RC4_HMAC int32 = 23 |
| 29 | RC4_HMAC_EXP int32 = 24 |
| 30 | CAMELLIA128_CTS_CMAC int32 = 25 |
| 31 | CAMELLIA256_CTS_CMAC int32 = 26 |
| 32 | //UNASSIGNED : 27-64 |
| 33 | SUBKEY_KEYMATERIAL int32 = 65 |
| 34 | //UNASSIGNED : 66-2147483647 |
| 35 | ) |
| 36 | |
| 37 | // ETypesByName is a map of EncType names to their assigned EncType number. |
| 38 | var ETypesByName = map[string]int32{ |
| 39 | "des-cbc-crc": DES_CBC_CRC, |
| 40 | "des-cbc-md4": DES_CBC_MD4, |
| 41 | "des-cbc-md5": DES_CBC_MD5, |
| 42 | "des-cbc-raw": DES_CBC_RAW, |
| 43 | "des3-cbc-md5": DES3_CBC_MD5, |
| 44 | "des3-cbc-raw": DES3_CBC_RAW, |
| 45 | "des3-cbc-sha1": DES3_CBC_SHA1, |
| 46 | "des3-hmac-sha1": DES_HMAC_SHA1, |
| 47 | "des3-cbc-sha1-kd": DES3_CBC_SHA1_KD, |
| 48 | "des-hmac-sha1": DES_HMAC_SHA1, |
| 49 | "dsaWithSHA1-CmsOID": DSAWITHSHA1_CMSOID, |
| 50 | "md5WithRSAEncryption-CmsOID": MD5WITHRSAENCRYPTION_CMSOID, |
| 51 | "sha1WithRSAEncryption-CmsOID": SHA1WITHRSAENCRYPTION_CMSOID, |
| 52 | "rc2CBC-EnvOID": RC2CBC_ENVOID, |
| 53 | "rsaEncryption-EnvOID": RSAENCRYPTION_ENVOID, |
| 54 | "rsaES-OAEP-ENV-OID": RSAES_OAEP_ENV_OID, |
| 55 | "des-ede3-cbc-Env-OID": DES_EDE3_CBC_ENV_OID, |
| 56 | "aes128-cts-hmac-sha1-96": AES128_CTS_HMAC_SHA1_96, |
| 57 | "aes128-cts": AES128_CTS_HMAC_SHA1_96, |
| 58 | "aes128-sha1": AES128_CTS_HMAC_SHA1_96, |
| 59 | "aes256-cts-hmac-sha1-96": AES256_CTS_HMAC_SHA1_96, |
| 60 | "aes256-cts": AES256_CTS_HMAC_SHA1_96, |
| 61 | "aes256-sha1": AES256_CTS_HMAC_SHA1_96, |
| 62 | "aes128-cts-hmac-sha256-128": AES128_CTS_HMAC_SHA256_128, |
| 63 | "aes128-sha2": AES128_CTS_HMAC_SHA256_128, |
| 64 | "aes256-cts-hmac-sha384-192": AES256_CTS_HMAC_SHA384_192, |
| 65 | "aes256-sha2": AES256_CTS_HMAC_SHA384_192, |
| 66 | "arcfour-hmac": RC4_HMAC, |
| 67 | "rc4-hmac": RC4_HMAC, |
| 68 | "arcfour-hmac-md5": RC4_HMAC, |
| 69 | "arcfour-hmac-exp": RC4_HMAC_EXP, |
| 70 | "rc4-hmac-exp": RC4_HMAC_EXP, |
| 71 | "arcfour-hmac-md5-exp": RC4_HMAC_EXP, |
| 72 | "camellia128-cts-cmac": CAMELLIA128_CTS_CMAC, |
| 73 | "camellia128-cts": CAMELLIA128_CTS_CMAC, |
| 74 | "camellia256-cts-cmac": CAMELLIA256_CTS_CMAC, |
| 75 | "camellia256-cts": CAMELLIA256_CTS_CMAC, |
| 76 | "subkey-keymaterial": SUBKEY_KEYMATERIAL, |
| 77 | } |
| 78 | |
| 79 | // EtypeSupported resolves the etype name string to the etype ID. |
| 80 | // If zero is returned the etype is not supported by gokrb5. |
| 81 | func EtypeSupported(etype string) int32 { |
| 82 | // Slice of supported enctype IDs |
| 83 | s := []int32{ |
| 84 | AES128_CTS_HMAC_SHA1_96, |
| 85 | AES256_CTS_HMAC_SHA1_96, |
| 86 | AES128_CTS_HMAC_SHA256_128, |
| 87 | AES256_CTS_HMAC_SHA384_192, |
| 88 | DES3_CBC_SHA1_KD, |
| 89 | RC4_HMAC, |
| 90 | } |
| 91 | id := ETypesByName[etype] |
| 92 | if id == 0 { |
| 93 | return id |
| 94 | } |
| 95 | for _, sid := range s { |
| 96 | if id == sid { |
| 97 | return id |
| 98 | } |
| 99 | } |
| 100 | return 0 |
| 101 | } |