diff options
Diffstat (limited to 'roms/skiboot/libstb/tss2/ibmtpm20tss/utils/startauthsession.c')
| -rw-r--r-- | roms/skiboot/libstb/tss2/ibmtpm20tss/utils/startauthsession.c | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/roms/skiboot/libstb/tss2/ibmtpm20tss/utils/startauthsession.c b/roms/skiboot/libstb/tss2/ibmtpm20tss/utils/startauthsession.c new file mode 100644 index 000000000..d47c731cc --- /dev/null +++ b/roms/skiboot/libstb/tss2/ibmtpm20tss/utils/startauthsession.c @@ -0,0 +1,301 @@ +/********************************************************************************/ +/* */ +/* StartAuthSession */ +/* Written by Ken Goldman */ +/* IBM Thomas J. Watson Research Center */ +/* */ +/* (c) Copyright IBM Corporation 2015 - 2019. */ +/* */ +/* All rights reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following conditions are */ +/* met: */ +/* */ +/* Redistributions of source code must retain the above copyright notice, */ +/* this list of conditions and the following disclaimer. */ +/* */ +/* Redistributions in binary form must reproduce the above copyright */ +/* notice, this list of conditions and the following disclaimer in the */ +/* documentation and/or other materials provided with the distribution. */ +/* */ +/* Neither the names of the IBM Corporation nor the names of its */ +/* contributors may be used to endorse or promote products derived from */ +/* this software without specific prior written permission. */ +/* */ +/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */ +/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */ +/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR */ +/* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */ +/* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */ +/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ +/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, */ +/* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY */ +/* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */ +/* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE */ +/* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/********************************************************************************/ + +/* + + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdint.h> + +#include <ibmtss/tss.h> +#include <ibmtss/tssutils.h> +#include <ibmtss/tssresponsecode.h> + +static void printUsage(void); + +extern int tssUtilsVerbose; + +int main(int argc, char *argv[]) +{ + TPM_RC rc = 0; + int i; /* argc iterator */ + TSS_CONTEXT *tssContext = NULL; + StartAuthSession_In in; + StartAuthSession_Out out; + StartAuthSession_Extra extra; + TPMI_DH_OBJECT tpmKey = TPM_RH_NULL; /* salt key */ + TPMI_DH_ENTITY bindHandle = TPM_RH_NULL; /* default */ + const char *bindPassword = NULL; + char seChar = 0; /* session type */ + TPMI_ALG_HASH halg = TPM_ALG_SHA256; /* default */ + TPMI_ALG_SYM algorithm = TPM_ALG_XOR; /* default symmetric algorithm */ + const char *nonceTPMFilename = NULL; + + setvbuf(stdout, 0, _IONBF, 0); /* output may be going through pipe to log file */ + TSS_SetProperty(NULL, TPM_TRACE_LEVEL, "1"); + tssUtilsVerbose = FALSE; + + /* command line argument defaults */ + for (i=1 ; (i<argc) && (rc == 0) ; i++) { + if (strcmp(argv[i],"-se") == 0) { + i++; + if (i < argc) { + seChar = argv[i][0]; + } + else { + printf("Missing parameter for -se\n"); + printUsage(); + } + } + else if (strcmp(argv[i],"-halg") == 0) { + i++; + if (i < argc) { + if (strcmp(argv[i],"sha1") == 0) { + halg = TPM_ALG_SHA1; + } + else if (strcmp(argv[i],"sha256") == 0) { + halg = TPM_ALG_SHA256; + } + else if (strcmp(argv[i],"sha384") == 0) { + halg = TPM_ALG_SHA384; + } + else if (strcmp(argv[i],"sha512") == 0) { + halg = TPM_ALG_SHA512; + } + else { + printf("Bad parameter %s for -halg\n", argv[i]); + printUsage(); + } + } + else { + printf("-halg option needs a value\n"); + printUsage(); + } + } + else if (strcmp(argv[i],"-hs") == 0) { + i++; + if (i < argc) { + sscanf(argv[i], "%x", &tpmKey); + } + else { + printf("Bad parameter %s for -hs\n", argv[i]); + printUsage(); + } + } + else if (strcmp(argv[i],"-bi") == 0) { + i++; + if (i < argc) { + sscanf(argv[i], "%x", &bindHandle); + } + else { + printf("Bad parameter %s for -bi\n", argv[i]); + printUsage(); + } + } + else if (strcmp(argv[i],"-sym") == 0) { + i++; + if (i < argc) { + if (strcmp(argv[i],"xor") == 0) { + algorithm = TPM_ALG_XOR; + } + else if (strcmp(argv[i],"aes") == 0) { + algorithm = TPM_ALG_AES; + } + else { + printf("Bad parameter %s for -sym\n", argv[i]); + printUsage(); + } + } + else { + printf("Missing parameter for -sym\n"); + printUsage(); + } + } + else if (strcmp(argv[i],"-on") == 0) { + i++; + if (i < argc) { + nonceTPMFilename = argv[i]; + } + else { + printf("-on option needs a value\n"); + printUsage(); + } + } + else if (strcmp(argv[i],"-pwdb") == 0) { + i++; + if (i < argc) { + bindPassword = argv[i]; + } + else { + printf("-pwdb option needs a value\n"); + printUsage(); + } + } + else if (strcmp(argv[i],"-h") == 0) { + printUsage(); + } + else if (strcmp(argv[i],"-v") == 0) { + tssUtilsVerbose = TRUE; + TSS_SetProperty(NULL, TPM_TRACE_LEVEL, "2"); + } + else { + printf("\n%s is not a valid option\n", argv[i]); + printUsage(); + } + } + if ((bindHandle == TPM_RH_NULL) && (bindPassword != NULL)) { + printf("-pwdb (bind password) unused without -bi (bind handle)\n"); + printUsage(); + } + /* sessionType */ + switch (seChar) { + case 'h': + in.sessionType = TPM_SE_HMAC; + break; + case 'p': + in.sessionType = TPM_SE_POLICY; + break; + case 't': + in.sessionType = TPM_SE_TRIAL; + break; + default: + printf("Missing or illegal parameter for -se\n"); + printUsage(); + } + if (rc == 0) { + /* salt key */ + in.tpmKey = tpmKey; + /* encryptedSalt (not required) */ + in.encryptedSalt.b.size = 0; + /* bind handle */ + in.bind = bindHandle; + /* nonceCaller (not required) */ + in.nonceCaller.t.size = 0; + /* for parameter encryption */ + in.symmetric.algorithm = algorithm; + /* authHash */ + in.authHash = halg; + } + /* symmetric */ + /* Table 128 - Definition of TPMT_SYM_DEF Structure */ + if (rc == 0) { /* XOR */ + if (in.symmetric.algorithm == TPM_ALG_XOR) { + /* Table 61 - Definition of (TPM_ALG_ID) TPMI_ALG_SYM Type */ + /* Table 125 - Definition of TPMU_SYM_KEY_BITS Union */ + in.symmetric.keyBits.xorr = halg; + /* Table 126 - Definition of TPMU_SYM_MODE Union */ + in.symmetric.mode.sym = TPM_ALG_NULL; /* none for xor */ + } + else { /* AES */ + /* Table 61 - Definition of (TPM_ALG_ID) TPMI_ALG_SYM Type */ + /* Table 125 - Definition of TPMU_SYM_KEY_BITS Union */ + in.symmetric.keyBits.aes = 128; + /* Table 126 - Definition of TPMU_SYM_MODE Union */ + /* Table 63 - Definition of (TPM_ALG_ID) TPMI_ALG_SYM_MODE Type */ + in.symmetric.mode.aes = TPM_ALG_CFB; + } + } + /* pass the bind password to the TSS post processor for the session key calculation */ + if (rc == 0) { + extra.bindPassword = bindPassword; + } + /* Start a TSS context */ + if (rc == 0) { + rc = TSS_Create(&tssContext); + } + /* call TSS to execute the command */ + if (rc == 0) { + rc = TSS_Execute(tssContext, + (RESPONSE_PARAMETERS *)&out, + (COMMAND_PARAMETERS *)&in, + (EXTRA_PARAMETERS *)&extra, + TPM_CC_StartAuthSession, + TPM_RH_NULL, NULL, 0); + } + { + TPM_RC rc1 = TSS_Delete(tssContext); + if (rc == 0) { + rc = rc1; + } + } + /* optionally store the nonceTPM for use in policy commands */ + if ((rc == 0) && (nonceTPMFilename != NULL)) { + rc = TSS_File_WriteBinaryFile((uint8_t *)&out.nonceTPM.t.buffer, + out.nonceTPM.t.size, + nonceTPMFilename); + } + if (rc == 0) { + printf("Handle %08x\n", out.sessionHandle); + if (tssUtilsVerbose) printf("startauthsession: success\n"); + } + else { + const char *msg; + const char *submsg; + const char *num; + printf("startauthsession: failed, rc %08x\n", rc); + TSS_ResponseCode_toString(&msg, &submsg, &num, rc); + printf("%s%s%s\n", msg, submsg, num); + rc = EXIT_FAILURE; + } + return rc; +} + +static void printUsage(void) +{ + printf("\n"); + printf("startauthsession\n"); + printf("\n"); + printf("Runs TPM2_StartAuthSession\n"); + printf("\n"); + printf("\t-se\n"); + printf("\n"); + printf("\t\th HMAC session\n"); + printf("\t\tp Policy session\n"); + printf("\t\tt Trial policy session\n"); + printf("\n"); + printf("\t[-halg\t(sha1, sha256, sha384, sha512) (default sha256)]\n"); + printf("\t[-hs\tsalt handle (default TPM_RH_NULL)]\n"); + printf("\t[-bi\tbind handle (default TPM_RH_NULL)]\n"); + printf("\t[-pwdb\tbind password for bind handle (default empty)]\n"); + printf("\t[-sym\t(xor, aes) symmetric parameter encryption algorithm (default xor)]\n"); + printf("\t[-on\tnonceTPM file for policy session (default do not save)]\n"); + exit(1); +} |