Line 14: |
Line 14: |
| | 0x4 | | | 0x4 |
| | 0x1 | | | 0x1 |
− | | ? | + | | ? Required to be 1. |
| |- | | |- |
| | 0x5 | | | 0x5 |
| | 0x1 | | | 0x1 |
− | | Crypto type | + | | Crypto type: 0x1 = AES-128-CTR, 0x2 = AES-192-CTR, 0x3 = AES-256-CTR. Everything else indicates plaintext. |
| |- | | |- |
| | 0x6 | | | 0x6 |
| | 0x1 | | | 0x1 |
− | | ? | + | | RSA/Hash Type: {0x0,0x2} = SHA1, {0x1,0x3} = SHA256. The former value in each pair is RSA PKCS1, while the later value in each pair is RSA PSS. Value >0x3 eventually results in an error being thrown. |
| |- | | |- |
| | 0x7 | | | 0x7 |
Line 42: |
Line 42: |
| | | |
| The header is 0x120-bytes. | | The header is 0x120-bytes. |
| + | |
| + | Settings config for 1-byte <"bcat", "production_mode"> is loaded, the output is used to determine which RSA modulo and secret data array to use. |
| | | |
| =Key generation= | | =Key generation= |
| The AES keydata is the output from pkcs5_pbkdf2_hmac, with SHA256: password = <passphrase string loaded from file>, salt = <below salt string>, and iteration_count=4096. | | The AES keydata is the output from pkcs5_pbkdf2_hmac, with SHA256: password = <passphrase string loaded from file>, salt = <below salt string>, and iteration_count=4096. |
| | | |
− | The passphrase is loaded from "<basepath>/passphrase.bin". passphrase_len=strlen(passphrase). 0x40-bytes are read from the file, with 0x0 being written to passphrase[total_read_data]. salt_len = strlen(salt). | + | The passphrase is loaded from "<basepath>/passphrase.bin" (this data originally comes from the title's control.nacp @ 0x3100). passphrase_len=strlen(passphrase). 0x40-bytes are read from the file, with 0x0 being written to passphrase[total_read_data]. salt_len = strlen(salt). |
| | | |
| salt is the snprintf output from "%016llx%s", where the former is the titleID, while the latter is secretdata_str. secretdata_str = secretdata_array[<value of hdr+0x7>]. | | salt is the snprintf output from "%016llx%s", where the former is the titleID, while the latter is secretdata_str. secretdata_str = secretdata_array[<value of hdr+0x7>]. |
| | | |
| Settings config for 1-byte <"bcat", "production_mode"> is loaded, when retval!=1 or output_config!=0, then secretdata_array = secretdata_array0(retail), otherwise secretdata_array = secretdata_array1(devunit). The latter only contains empty strings, while the former contains lower-case hex strings. There are 16 entries in each array. | | Settings config for 1-byte <"bcat", "production_mode"> is loaded, when retval!=1 or output_config!=0, then secretdata_array = secretdata_array0(retail), otherwise secretdata_array = secretdata_array1(devunit). The latter only contains empty strings, while the former contains lower-case hex strings. There are 16 entries in each array. |