devicesal
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devicesal [2009/05/22 16:10] – nopsled | devicesal [2009/06/02 01:44] (current) – document dictionary marcus | ||
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+ | < | ||
+ | DeviceSal Dict 000 (EKB) -> (status): Verify EKB file. For version 1, check SHA-1 of first 176 bytes. | ||
+ | DeviceSal Dict 001 | ||
+ | DeviceSal Dict 002 | ||
+ | DeviceSal Dict 003 | ||
+ | DeviceSal Dict 159 (EKB) -> (status): Verify EKB file with version > 1. Checks ECC signature, returns 0 if OK, otherwise an error code. | ||
+ | DeviceSal Dict 160 | ||
+ | DeviceSal Dict 165 | ||
+ | DeviceSal Dict 170 | ||
+ | DeviceSal Dict 171 | ||
+ | DeviceSal Dict 172: Dispatch table for D171. | ||
+ | DeviceSal Dict 173 | ||
+ | DeviceSal Dict 174 | ||
+ | DeviceSal Dict 175 | ||
+ | DeviceSal Dict 177 | ||
+ | DeviceSal Dict 178: Dispatch table for D177. | ||
+ | DeviceSal Dict 180 (a,b,c) -> (1): Returns 1. | ||
+ | DeviceSal Dict 181 (deskey, | ||
+ | DeviceSal Dict 182 | ||
+ | DeviceSal Dict 183 | ||
+ | DeviceSal Dict 184 (msg, | ||
+ | DeviceSal Dict 185 (cipher, | ||
+ | DeviceSal Dict 186 (plain, | ||
+ | DeviceSal Dict 187 | ||
+ | DeviceSal Dict 189 (key,value) -> (): Use D191 as a map and enter (key, value) into it. | ||
+ | DeviceSal Dict 190 (key, | ||
+ | DeviceSal Dict 191: Variable to pass mapping to helper functions. | ||
+ | DeviceSal Dict 193 | ||
+ | DeviceSal Dict 194 | ||
+ | DeviceSal Dict 195 | ||
+ | DeviceSal Dict 196 | ||
+ | DeviceSal Dict 197: Dispatch table for 196. | ||
+ | DeviceSal Dict 198: (Decrypto with hook D249, reencrypt with DES-OCM) | ||
+ | DeviceSal Dict 199 | ||
+ | DeviceSal Dict 207 (encobj, objkey) -> (...): DES-OCM-Decrypt encobj with objkey and unpack an ASN.1 encoded array (stripping off the length parameter) | ||
+ | DeviceSal Dict 208 (o1, o2, objkey) -> (encobj): DES-OCM-Encrypt an ASN.1 encoded array containing the first 8 bytes of o1 and o2 each. | ||
+ | DeviceSal Dict 209 (version) -> (ekbpath): Return the local EKB path. | ||
+ | DeviceSal Dict 210 () -> (1): Produce 1. | ||
+ | DeviceSal Dict 211 | ||
+ | DeviceSal Dict 212 | ||
+ | DeviceSal Dict 213 | ||
+ | DeviceSal Dict 214 (encobj, protokey) -> (obj): Descramble cipher and OCM-Decrypt with SHA-1(protokey) and ASN.1-decode the result. | ||
+ | DeviceSal Dict 215 (obj, protokey) -> (encobj): OCM-Encrypt the serialized obj with SHA-1(protokey) and scramble the result. | ||
+ | DeviceSal Dict 216 (encobj, xorprotokey) -> (obj): DES-OCM-Decrypt with SHA-1(xorprotokey XOR D252++D252) and ASN.1-decode the result. | ||
+ | DeviceSal Dict 217 (obj, xorprotokey) -> (encobj): DES-OCM-Encrypt the serialized obj with SHA-1(xorprotokey XOR D252++D252). | ||
+ | DeviceSal Dict 220 (cipher, key) -> (plain): Decrypt with some weird SHA-1 based stream cipher. | ||
+ | DeviceSal Dict 221 (plain, key) -> (cipher): Encrypt with some weird SHA-1 based stream cipher. | ||
+ | </ | ||
+ | |||
Missing Info: | Missing Info: | ||
+ | |||
+ | |||
+ | |||
< | < | ||
- | Dict 0xf9 = {63 81 63 B8 2C 4E 31 81 0F BE E0 1B 2E 7F C2 5B 87 95 86 E3}; | ||
Dict 0xfc - contains an unknown 8 byte key, used in dev_0xd8, dev_0xd9. | Dict 0xfc - contains an unknown 8 byte key, used in dev_0xd8, dev_0xd9. | ||
Line 158: | Line 209: | ||
</ | </ | ||
+ | NOT part of device.sal, but for lack of a better place, here an example of SsaTrans on updater.ocm: | ||
+ | < | ||
+ | $ SsaTrans updater.ocm | ||
+ | BCSeedRand63 (1, " | ||
+ | BCSetCryptTable (" | ||
+ | v_39 = BCNewBlob (8); | ||
+ | v_41 = BCDES_SetKey (" | ||
+ | arg_0 = Unknown | ||
+ | v_43 = BCDES_CBC BCDDecrypt (arg_0, v_39, v_41, " | ||
+ | v_44 = BCBlobLength (v_43); | ||
+ | v_46 = BCBlobLength ("< | ||
+ | v_49 = BCSubBlob (v_43, v_44 - v_46, -1); | ||
+ | v_51 = BCCompareBlob (v_49, "< | ||
+ | if (v_51 == 0) [1 -> 1] | ||
+ | { | ||
+ | return [v_43, 1]; | ||
+ | } | ||
+ | else [1 -> 1] | ||
+ | { | ||
+ | return [0]; | ||
+ | } | ||
+ | v_56 = BCIfElse (v_43); | ||
+ | v_57 = BCSerialize (v_56); | ||
+ | return v_57; | ||
+ | </ |
devicesal.1243008620.txt.gz · Last modified: 2009/05/22 16:10 by nopsled