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| | 7 || [[#GetRandomBytes]] || Uses [[SMC#GetRandomBytes|GetRandomBytes SMC]]. | | | 7 || [[#GetRandomBytes]] || Uses [[SMC#GetRandomBytes|GetRandomBytes SMC]]. |
| |- | | |- |
− | | 9 || [[#DecryptImportPrivkForExpMod0]] || Speculative name. Wrapper for [[SMC#LoadRsaPublicKey|LoadRsaPublicKey SMC]]. | + | | 9 || [[#DecryptImportPrivkForRsaOaep]] || Speculative name. Wrapper for [[SMC#LoadRsaPublicKey|LoadRsaPublicKey SMC]]. |
| |- | | |- |
− | | 10 || [[#ExpMod0]] || Speculative name. Wrapper for [[SMC#PublicRsa|PublicRsa SMC]]. | + | | 10 || [[#DecryptRsaOaep]] || Speculative name. Uses [[SMC#PublicRsa|PublicRsa SMC]]. |
| |- | | |- |
| | 11 || [[#IsDevelopment]] || | | | 11 || [[#IsDevelopment]] || |
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| Any other '''ConfigItem''', besides 13, can't be set. | | Any other '''ConfigItem''', besides 13, can't be set. |
| | | |
− | == DecryptImportPrivkForExpMod0 == | + | == DecryptImportPrivkForRsaOaep == |
| Takes one type-9 (X descriptor) buffer ('''enc_privk_in_buf'''), a 16-byte KEK ('''key_x'''), a 16-byte key ('''key_y''') and a u32 ('''version'''). | | Takes one type-9 (X descriptor) buffer ('''enc_privk_in_buf'''), a 16-byte KEK ('''key_x'''), a 16-byte key ('''key_y''') and a u32 ('''version'''). |
| '''version''' is 0 for normal keys or 1 for extended keys. | | '''version''' is 0 for normal keys or 1 for extended keys. |
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| Decrypts '''enc_privk_in_buf''' with a key generated from '''key_x''' and '''key_y''' and imports it for later usage. | | Decrypts '''enc_privk_in_buf''' with a key generated from '''key_x''' and '''key_y''' and imports it for later usage. |
| | | |
− | == ExpMod0 == | + | == DecryptRsaOaep == |
− | Takes one type-10 (C descriptor) buffer ('''data_out_buf''') and 3 type-9 (X descriptor) buffers ('''data_in_buf''', '''param0_in_buf''' and '''param1_in_buf'''). | + | Takes one type-10 (C descriptor) buffer ('''data_out_buf''') and 3 type-9 (X descriptor) buffers ('''data_in_buf''', '''mod_in_buf''' and '''label_hash_in_buf'''). |
| | | |
− | Decrypts '''data_in_buf''' into '''data_out_buf''' using the private key imported with [[#DecryptImportPrivkForExpMod0]] and the supplied buffers '''param0_in_buf''' and '''param1_in_buf'''. | + | Decrypts '''data_in_buf''' into '''data_out_buf''' using the private key imported with [[#DecryptImportPrivkForRsaOaep]] and the supplied '''mod_in_buf'''. Afterwards, verifies RSA-OAEP encoding using '''label_hash_in_buf'''. |
| | | |
− | Returns and unknown u32. | + | Returns an u32 ('''dec_data_size'''). |
| | | |
| == IsDevelopment == | | == IsDevelopment == |
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| '''KeyGeneration''' ranges from 0 to 2. | | '''KeyGeneration''' ranges from 0 to 2. |
| | | |
− | Returns a scrambled (unsealed?) key ('''key_a'''). | + | Returns a scrambled key ('''key_a'''). |
| | | |
| == DecryptPrivk == | | == DecryptPrivk == |
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| | | |
| == ExpMod1 == | | == ExpMod1 == |
− | Takes 3 type-9 (X descriptor) buffers ('''data_in_buf''', '''param0_in_buf''' and '''param1_in_buf'''). | + | Takes 3 type-9 (X descriptor) buffers ('''data_in_buf''', '''mod_in_buf''' and '''param0_in_buf'''). |
| | | |
− | Decrypts '''data_in_buf''' using the private key imported with [[#DecryptImportPrivkForExpMod1]] and the supplied buffers '''param0_in_buf''' and '''param1_in_buf'''. | + | Decrypts '''data_in_buf''' using the private key imported with [[#DecryptImportPrivkForExpMod1]] and the supplied '''mod_in_buf''' and '''param0_in_buf'''. |
| | | |
| Generates and returns a 16-byte key ('''key_z'''). | | Generates and returns a 16-byte key ('''key_z'''). |