Emv scan (#691)

[proxmark3-svn] / client / emv / emv_tags.c

diff --git a/client/emv/emv_tags.c b/client/emv/emv_tags.c
index a69d7196011d11dd8130937c692651e1c1dd8758..eed77e761b0c3c756d080d1fac4cc73f507d1495 100644 (file)
--- a/client/emv/emv_tags.c
+++ b/client/emv/emv_tags.c
@@ -35,6 +35,7 @@ enum emv_tag_t {
        EMV_TAG_NUMERIC,
        EMV_TAG_YYMMDD,
        EMV_TAG_CVR,
+       EMV_TAG_CID,
 };
 
 struct emv_tag {
@@ -59,7 +60,7 @@ static const struct emv_tag_bit EMV_AIP[] = {
        { EMV_BIT(1, 4), "Terminal risk management is to be performed" },
        { EMV_BIT(1, 3), "Issuer authentication is supported" },
        { EMV_BIT(1, 2), "Reserved for use by the EMV Contactless Specifications" },
-       { EMV_BIT(1, 1), "CDA supported" },
+       { EMV_BIT(1, 1), "CDA supported (Combined Dynamic Data Authentication / Application Cryptogram Generation)" },
        { EMV_BIT(2, 8), "MSD is supported (Magnetic Stripe Data)" },
        { EMV_BIT(2, 7), "Reserved for use by the EMV Contactless Specifications" },
        { EMV_BIT(2, 6), "Reserved for use by the EMV Contactless Specifications" },
@@ -176,6 +177,7 @@ static const struct emv_tag emv_tags[] = {
        { 0x01  , "", EMV_TAG_STRING }, // string for headers
        { 0x02  , "Raw data", }, // data
        { 0x20  , "Cardholder Verification Results (CVR)", EMV_TAG_CVR }, // not standard!
+       { 0x21  , "Input list for Offline Data Authentication" }, // not standard! data for "Offline Data Authentication" come from "read records" command. (EMV book3 10.3)
 
        // EMV
        { 0x41  , "Country code and national data" },
@@ -221,6 +223,7 @@ static const struct emv_tag emv_tags[] = {
        { 0x9f06, "Application Identifier (AID), Terminal. ISO 7816-5" },
        { 0x9f07, "Application Usage Control", EMV_TAG_BITMASK, &EMV_AUC },
        { 0x9f08, "Application Version Number" },
+       { 0x9f0a, "Application Selection Registered Proprietary Data" }, // https://blog.ul-ts.com/posts/electronic-card-identifier-one-more-step-for-mif-compliance/
        { 0x9f0d, "Issuer Action Code - Default", EMV_TAG_BITMASK, &EMV_TVR },
        { 0x9f0e, "Issuer Action Code - Denial", EMV_TAG_BITMASK, &EMV_TVR },
        { 0x9f0f, "Issuer Action Code - Online", EMV_TAG_BITMASK, &EMV_TVR },
@@ -233,7 +236,7 @@ static const struct emv_tag emv_tags[] = {
        { 0x9f1f, "Track 1 Discretionary Data", EMV_TAG_STRING },
        { 0x9f21, "Transaction Time" },
        { 0x9f26, "Application Cryptogram" },
-       { 0x9f27, "Cryptogram Information Data" },
+       { 0x9f27, "Cryptogram Information Data", EMV_TAG_CID },
        { 0x9f2a, "Kernel Identifier" },
        { 0x9f2d, "ICC PIN Encipherment Public Key Certificate" },
        { 0x9f2e, "ICC PIN Encipherment Public Key Exponent" },
@@ -264,12 +267,15 @@ static const struct emv_tag emv_tags[] = {
        { 0x9f65, "PCVC3(Track2)" },
        { 0x9f66, "PUNATC(Track2) / Terminal Transaction Qualifiers (TTQ)", EMV_TAG_BITMASK, &EMV_TTQ },
        { 0x9f67, "NATC(Track2) / MSD Offset" },
+       { 0x9f68, "Cardholder verification method list (PayPass)" },
        { 0x9f69, "Card Authentication Related Data" },
        { 0x9f6a, "Unpredictable Number", EMV_TAG_NUMERIC },
        { 0x9f6b, "Track 2 Data" },
        { 0x9f6c, "Card Transaction Qualifiers (CTQ)", EMV_TAG_BITMASK, &EMV_CTQ },
+       { 0x9f6e, "Form Factor Indicator" },
        { 0xa5  , "File Control Information (FCI) Proprietary Template" },
        { 0xbf0c, "File Control Information (FCI) Issuer Discretionary Data" },
+       { 0xdf20, "Issuer Proprietary Bitmap (IPB)" },
 };
 
 static int emv_sort_tag(tlv_tag_t tag)
@@ -471,6 +477,50 @@ static void emv_tag_dump_cvr(const struct tlv *tlv, const struct emv_tag *tag, F
        return;
 }
 
+// EMV Book 3
+static void emv_tag_dump_cid(const struct tlv *tlv, const struct emv_tag *tag, FILE *f, int level) {
+       if (!tlv || tlv->len < 1) {
+               PRINT_INDENT(level);
+               fprintf(f, "\tINVALID!\n");
+               return;
+       }
+       
+       PRINT_INDENT(level);
+       if ((tlv->value[0] & EMVAC_AC_MASK) == EMVAC_AAC)               fprintf(f, "\tAC1: AAC (Transaction declined)\n");
+       if ((tlv->value[0] & EMVAC_AC_MASK) == EMVAC_TC)                fprintf(f, "\tAC1: TC (Transaction approved)\n");
+       if ((tlv->value[0] & EMVAC_AC_MASK) == EMVAC_ARQC)              fprintf(f, "\tAC1: ARQC (Online authorisation requested)\n");
+       if ((tlv->value[0] & EMVAC_AC_MASK) == EMVAC_AC_MASK)   fprintf(f, "\tAC1: RFU\n");
+
+       if (tlv->value[0] & EMVCID_ADVICE) {
+               PRINT_INDENT(level);
+               fprintf(f, "\tAdvice required!\n");
+       }
+
+       if (tlv->value[0] & EMVCID_REASON_MASK) {
+               PRINT_INDENT(level);
+               fprintf(f, "\tReason/advice/referral code: ");
+               switch((tlv->value[0] & EMVCID_REASON_MASK)) {
+                       case 0:
+                               fprintf(f, "No information given\n");
+                               break;
+                       case 1:
+                               fprintf(f, "Service not allowed\n");
+                               break;
+                       case 2:
+                               fprintf(f, "PIN Try Limit exceeded\n");
+                               break;
+                       case 3:
+                               fprintf(f, "Issuer authentication failed\n");
+                               break;
+                       default:
+                               fprintf(f, "\tRFU: %2x\n", (tlv->value[0] & EMVCID_REASON_MASK));
+                               break;
+               }
+       }
+
+       return;
+}
+
 static void emv_tag_dump_cvm_list(const struct tlv *tlv, const struct emv_tag *tag, FILE *f, int level)
 {
        uint32_t X, Y;
@@ -628,7 +678,25 @@ bool emv_tag_dump(const struct tlv *tlv, FILE *f, int level)
                fprintf(f, "\n");
                emv_tag_dump_cvr(tlv, tag, f, level);
                break;
+       case EMV_TAG_CID:
+               fprintf(f, "\n");
+               emv_tag_dump_cid(tlv, tag, f, level);
+               break;
        };
 
        return true;
 }
+
+char *emv_get_tag_name(const struct tlv *tlv)
+{
+       static char *defstr = "";
+       
+       if (!tlv) 
+               return defstr;
+
+       const struct emv_tag *tag = emv_get_tag(tlv);
+       if (tag)
+               return tag->name;
+       
+       return defstr;
+}