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smartcardauth
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Update card PIN check utility for modern OpenSSL library versions

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Signed-off-by: Timothy Pearson <kb9vqf@pearsoncomputing.net>
pull/3/head
Timothy Pearson 5 years ago
parent 7471b0548d
commit ef2c98aa2b
1 changed files with 6 additions and 3 deletions
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9
src/cardpincheck.c
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@ -1,5 +1,5 @@
/* Cryptographic card PIN check and RSA decryption utility /* Cryptographic card PIN check and RSA decryption utility
* Copyright (C) 2015 Timothy Pearson <kb9vqf@pearsoncomputing.net> * Copyright (C) 2015 - 2020 Timothy Pearson <kb9vqf@pearsoncomputing.net>
* *
* This program is free software: you can redistribute it and/or modify * This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
@ -16,6 +16,7 @@
*/ */
#include <stdio.h> #include <stdio.h>
#include <stdint.h>
#include <termios.h> #include <termios.h>
#include <unistd.h> #include <unistd.h>
#include <string.h> #include <string.h>
@ -138,9 +139,10 @@ char* tde_autopin(X509* x509_cert) {
int asn1SeqValueObjectTag; int asn1SeqValueObjectTag;
int asn1SeqValueObjectClass; int asn1SeqValueObjectClass;
int returnCode; int returnCode;
const uint8_t* asnSeqValueString = ASN1_STRING_get0_data(asnValue->value.sequence);
index = 0; // Search for the PIN field index = 0; // Search for the PIN field
asnSeqValueStack = ASN1_seq_unpack_ASN1_TYPE(ASN1_STRING_data(asnValue->value.sequence), ASN1_STRING_length(asnValue->value.sequence), d2i_ASN1_TYPE, ASN1_TYPE_free); asnSeqValueStack = d2i_ASN1_SEQUENCE_ANY(NULL, &asnSeqValueString, ASN1_STRING_length(asnValue->value.sequence));
asnSeqValue = sk_ASN1_TYPE_value(asnSeqValueStack, index); asnSeqValue = sk_ASN1_TYPE_value(asnSeqValueStack, index);
if (asnSeqValue) { if (asnSeqValue) {
if (asnSeqValue->value.octet_string->data[0] == ((V_ASN1_CONSTRUCTED | V_ASN1_CONTEXT_SPECIFIC) + index)) { if (asnSeqValue->value.octet_string->data[0] == ((V_ASN1_CONSTRUCTED | V_ASN1_CONTEXT_SPECIFIC) + index)) {
@ -149,12 +151,13 @@ char* tde_autopin(X509* x509_cert) {
if (!(returnCode & 0x80)) { if (!(returnCode & 0x80)) {
if (returnCode == (V_ASN1_CONSTRUCTED + index)) { if (returnCode == (V_ASN1_CONSTRUCTED + index)) {
if (d2i_ASN1_GENERALSTRING(&asnGeneralString, &asn1SeqValueObjectData, asn1SeqValueObjectLength) != NULL) { if (d2i_ASN1_GENERALSTRING(&asnGeneralString, &asn1SeqValueObjectData, asn1SeqValueObjectLength) != NULL) {
retString = strdup(ASN1_STRING_data(asnGeneralString)); retString = strdup(ASN1_STRING_get0_data(asnGeneralString));
} }
} }
} }
} }
} }
sk_ASN1_TYPE_pop_free(asnSeqValueStack, ASN1_TYPE_free);
} }
} }
} }

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