| Igor Opaniuk | 136644a | 2016-09-13 13:40:56 +0300 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2015, Linaro Limited |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions are met: |
| 7 | * |
| 8 | * 1. Redistributions of source code must retain the above copyright notice, |
| 9 | * this list of conditions and the following disclaimer. |
| 10 | * |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| 12 | * this list of conditions and the following disclaimer in the documentation |
| 13 | * and/or other materials provided with the distribution. |
| 14 | * |
| 15 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 16 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 17 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 18 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| 19 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 20 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 21 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 24 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 25 | * POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | #include <tee_internal_api.h> |
| 29 | #include <tee_ta_api.h> |
| 30 | #include <string.h> |
| 31 | #include <trace.h> |
| 32 | |
| 33 | #include "ta_sha_perf.h" |
| 34 | #include "ta_sha_perf_priv.h" |
| 35 | |
| 36 | #define CHECK(res, name, action) do { \ |
| 37 | if ((res) != TEE_SUCCESS) { \ |
| 38 | DMSG(name ": 0x%08x", (res)); \ |
| 39 | action \ |
| 40 | } \ |
| 41 | } while(0) |
| 42 | |
| 43 | static TEE_OperationHandle digest_op = NULL; |
| 44 | |
| 45 | TEE_Result cmd_process(uint32_t param_types, TEE_Param params[4]) |
| 46 | { |
| 47 | TEE_Result res; |
| 48 | int n; |
| 49 | void *in, *out; |
| 50 | uint32_t insz; |
| 51 | uint32_t outsz; |
| 52 | uint32_t offset; |
| 53 | uint32_t exp_param_types = TEE_PARAM_TYPES(TEE_PARAM_TYPE_MEMREF_INPUT, |
| 54 | TEE_PARAM_TYPE_MEMREF_OUTPUT, |
| 55 | TEE_PARAM_TYPE_VALUE_INPUT, |
| 56 | TEE_PARAM_TYPE_NONE); |
| 57 | |
| 58 | if (param_types != exp_param_types) |
| 59 | return TEE_ERROR_BAD_PARAMETERS; |
| 60 | |
| 61 | offset = params[2].value.b; |
| 62 | in = (uint8_t *)params[0].memref.buffer + offset; |
| 63 | insz = params[0].memref.size - offset; |
| 64 | out = params[1].memref.buffer; |
| 65 | outsz = params[1].memref.size; |
| 66 | n = params[2].value.a; |
| 67 | |
| 68 | while (n--) { |
| 69 | res = TEE_DigestDoFinal(digest_op, in, insz, out, &outsz); |
| 70 | CHECK(res, "TEE_DigestDoFinal", return res;); |
| 71 | } |
| 72 | return TEE_SUCCESS; |
| 73 | } |
| 74 | |
| 75 | TEE_Result cmd_prepare_op(uint32_t param_types, TEE_Param params[4]) |
| 76 | { |
| 77 | TEE_Result res; |
| 78 | uint32_t algo; |
| 79 | |
| 80 | uint32_t exp_param_types = TEE_PARAM_TYPES(TEE_PARAM_TYPE_VALUE_INPUT, |
| 81 | TEE_PARAM_TYPE_NONE, |
| 82 | TEE_PARAM_TYPE_NONE, |
| 83 | TEE_PARAM_TYPE_NONE); |
| 84 | if (param_types != exp_param_types) |
| 85 | return TEE_ERROR_BAD_PARAMETERS; |
| 86 | |
| 87 | switch (params[0].value.a) { |
| 88 | case TA_SHA_SHA1: |
| 89 | algo = TEE_ALG_SHA1; |
| 90 | break; |
| 91 | case TA_SHA_SHA224: |
| 92 | algo = TEE_ALG_SHA224; |
| 93 | break; |
| 94 | case TA_SHA_SHA256: |
| 95 | algo = TEE_ALG_SHA256; |
| 96 | break; |
| 97 | case TA_SHA_SHA384: |
| 98 | algo = TEE_ALG_SHA384; |
| 99 | break; |
| 100 | case TA_SHA_SHA512: |
| 101 | algo = TEE_ALG_SHA512; |
| 102 | break; |
| 103 | default: |
| 104 | return TEE_ERROR_BAD_PARAMETERS; |
| 105 | } |
| 106 | |
| 107 | if (digest_op) |
| 108 | TEE_FreeOperation(digest_op); |
| 109 | |
| 110 | res = TEE_AllocateOperation(&digest_op, algo, TEE_MODE_DIGEST, 0); |
| 111 | CHECK(res, "TEE_AllocateOperation", return res;); |
| 112 | |
| 113 | return TEE_SUCCESS; |
| 114 | } |
| 115 | |
| 116 | |
| 117 | void cmd_clean_res(void) |
| 118 | { |
| 119 | if (digest_op) |
| 120 | TEE_FreeOperation(digest_op); |
| 121 | } |