X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/4cdd63b245e34b42df42b384009838020d8fad02..e55b441992629938fecd75693d204dd98831d3ba:/client/emv/emv_pki.c diff --git a/client/emv/emv_pki.c b/client/emv/emv_pki.c index 1ff1e4c6..4e14483f 100644 --- a/client/emv/emv_pki.c +++ b/client/emv/emv_pki.c @@ -18,14 +18,14 @@ #endif #include "emv_pki.h" -#include "crypto.h" -#include "dump.h" -#include "util.h" -#include #include #include #include +#include "crypto.h" +#include "dump.h" +#include "util.h" +#include "ui.h" static bool strictExecution = true; void PKISetStrictExecution(bool se) { @@ -54,12 +54,12 @@ static unsigned char *emv_pki_decode_message(const struct emv_pk *enc_pk, return NULL; if (!cert_tlv) { - printf("ERROR: Can't find certificate\n"); + PrintAndLogEx(ERR, "Can't find certificate\n"); return NULL; } if (cert_tlv->len != enc_pk->mlen) { - printf("ERROR: Certificate length (%zd) not equal key length (%zd)\n", cert_tlv->len, enc_pk->mlen); + PrintAndLogEx(ERR, "Certificate length (%zd) not equal key length (%zd)\n", cert_tlv->len, enc_pk->mlen); return NULL; } kcp = crypto_pk_open(enc_pk->pk_algo, @@ -71,20 +71,20 @@ static unsigned char *emv_pki_decode_message(const struct emv_pk *enc_pk, data = crypto_pk_encrypt(kcp, cert_tlv->value, cert_tlv->len, &data_len); crypto_pk_close(kcp); -/* if (true){ - printf("Recovered data:\n"); + /*if (true){ + PrintAndLogEx(INFO, "Recovered data:\n"); dump_buffer(data, data_len, stdout, 0); }*/ - + if (data[data_len-1] != 0xbc || data[0] != 0x6a || data[1] != msgtype) { - printf("ERROR: Certificate format\n"); + PrintAndLogEx(ERR, "Certificate format\n"); free(data); return NULL; } size_t hash_pos = emv_pki_hash_psn[msgtype]; if (hash_pos == 0 || hash_pos > data_len){ - printf("ERROR: Cant get hash position in the certificate\n"); + PrintAndLogEx(ERR, "Can't get hash position in the certificate\n"); free(data); return NULL; } @@ -92,7 +92,7 @@ static unsigned char *emv_pki_decode_message(const struct emv_pk *enc_pk, struct crypto_hash *ch; ch = crypto_hash_open(data[hash_pos]); if (!ch) { - printf("ERROR: Cant do hash\n"); + PrintAndLogEx(ERR, "Can't do hash\n"); free(data); return NULL; } @@ -114,9 +114,9 @@ static unsigned char *emv_pki_decode_message(const struct emv_pk *enc_pk, memset(hash, 0, hash_len); memcpy(hash, crypto_hash_read(ch), hash_len); if (memcmp(data + data_len - 1 - hash_len, hash, hash_len)) { - printf("ERROR: Calculated wrong hash\n"); - printf("decoded: %s\n",sprint_hex(data + data_len - 1 - hash_len, hash_len)); - printf("calculated: %s\n",sprint_hex(hash, hash_len)); + PrintAndLogEx(ERR, "Calculated wrong hash\n"); + PrintAndLogEx(INFO, "decoded: %s\n",sprint_hex(data + data_len - 1 - hash_len, hash_len)); + PrintAndLogEx(INFO, "calculated: %s\n",sprint_hex(hash, hash_len)); if (strictExecution) { crypto_hash_close(ch); @@ -189,7 +189,7 @@ static struct emv_pk *emv_pki_decode_key_ex(const struct emv_pk *enc_pk, else if (msgtype == 4) pan_length = 10; else { - printf("ERROR: Message type must be 2 or 4\n"); + PrintAndLogEx(ERR, "Message type must be 2 or 4\n"); return NULL; } @@ -202,12 +202,12 @@ static struct emv_pk *emv_pki_decode_key_ex(const struct emv_pk *enc_pk, sdatl_tlv, NULL); if (!data || data_len < 11 + pan_length) { - printf("ERROR: Can't decode message\n"); + PrintAndLogEx(ERR, "Can't decode message\n"); return NULL; } if (showData){ - printf("Recovered data:\n"); + PrintAndLogEx(INFO, "Recovered data:\n"); dump_buffer(data, data_len, stdout, 0); } @@ -223,7 +223,7 @@ static struct emv_pk *emv_pki_decode_key_ex(const struct emv_pk *enc_pk, if (((msgtype == 2) && (pan2_len < 4 || pan2_len > pan_len)) || ((msgtype == 4) && (pan2_len != pan_len))) { - printf("ERROR: Invalid PAN lengths\n"); + PrintAndLogEx(ERR, "Invalid PAN lengths\n"); free(data); return NULL; @@ -232,9 +232,9 @@ static struct emv_pk *emv_pki_decode_key_ex(const struct emv_pk *enc_pk, unsigned i; for (i = 0; i < pan2_len; i++) if (emv_cn_get(pan_tlv, i) != emv_cn_get(&pan2_tlv, i)) { - printf("ERROR: PAN data mismatch\n"); - printf("tlv pan=%s\n", sprint_hex(pan_tlv->value, pan_tlv->len)); - printf("cert pan=%s\n", sprint_hex(pan2_tlv.value, pan2_tlv.len)); + PrintAndLogEx(ERR, "PAN data mismatch\n"); + PrintAndLogEx(INFO, "tlv pan=%s\n", sprint_hex(pan_tlv->value, pan_tlv->len)); + PrintAndLogEx(INFO, "cert pan=%s\n", sprint_hex(pan2_tlv.value, pan2_tlv.len)); free(data); return NULL; @@ -242,7 +242,7 @@ static struct emv_pk *emv_pki_decode_key_ex(const struct emv_pk *enc_pk, pk_len = data[9 + pan_length]; if (pk_len > data_len - 11 - pan_length + rem_tlv->len) { - printf("ERROR: Invalid pk length\n"); + PrintAndLogEx(ERR, "Invalid pk length\n"); free(data); return NULL; } @@ -388,7 +388,7 @@ struct tlvdb *emv_pki_recover_dac_ex(const struct emv_pk *enc_pk, const struct t return NULL; if (showData){ - printf("Recovered data:\n"); + PrintAndLogEx(INFO, "Recovered data:\n"); dump_buffer(data, data_len, stdout, 0); } @@ -398,6 +398,7 @@ struct tlvdb *emv_pki_recover_dac_ex(const struct emv_pk *enc_pk, const struct t return dac_db; } + struct tlvdb *emv_pki_recover_dac(const struct emv_pk *enc_pk, const struct tlvdb *db, const struct tlv *sda_tlv) { return emv_pki_recover_dac_ex(enc_pk, db, sda_tlv, false); } @@ -424,7 +425,7 @@ struct tlvdb *emv_pki_recover_idn_ex(const struct emv_pk *enc_pk, const struct t } if (showData){ - printf("Recovered data:\n"); + PrintAndLogEx(INFO, "Recovered data:\n"); dump_buffer(data, data_len, stdout, 0); } @@ -463,7 +464,7 @@ struct tlvdb *emv_pki_recover_atc_ex(const struct emv_pk *enc_pk, const struct t } if (showData){ - printf("Recovered data:\n"); + PrintAndLogEx(INFO, "Recovered data:\n"); dump_buffer(data, data_len, stdout, 0); } @@ -528,23 +529,23 @@ struct tlvdb *emv_pki_perform_cda_ex(const struct emv_pk *enc_pk, const struct t un_tlv, NULL); if (!data || data_len < 3) { - printf("ERROR: can't decode message. len %zd\n", data_len); + PrintAndLogEx(ERR, "can't decode message. len %zd\n", data_len); return NULL; } if (showData){ - printf("Recovered data:\n"); + PrintAndLogEx(INFO, "Recovered data:\n"); dump_buffer(data, data_len, stdout, 0); } if (data[3] < 30 || data[3] > data_len - 4) { - printf("ERROR: Invalid data length\n"); + PrintAndLogEx(ERR, "Invalid data length\n"); free(data); return NULL; } if (!cid_tlv || cid_tlv->len != 1 || cid_tlv->value[0] != data[5 + data[4]]) { - printf("ERROR: CID mismatch\n"); + PrintAndLogEx(ERR, "CID mismatch\n"); free(data); return NULL; } @@ -552,7 +553,7 @@ struct tlvdb *emv_pki_perform_cda_ex(const struct emv_pk *enc_pk, const struct t struct crypto_hash *ch; ch = crypto_hash_open(enc_pk->hash_algo); if (!ch) { - printf("ERROR: can't create hash\n"); + PrintAndLogEx(ERR, "Can't create hash\n"); free(data); return NULL; } @@ -567,7 +568,7 @@ struct tlvdb *emv_pki_perform_cda_ex(const struct emv_pk *enc_pk, const struct t tlvdb_visit(this_db, tlv_hash, ch, 0); if (memcmp(data + 5 + data[4] + 1 + 8, crypto_hash_read(ch), 20)) { - printf("ERROR: calculated hash error\n"); + PrintAndLogEx(ERR, "Calculated hash error\n"); crypto_hash_close(ch); free(data); return NULL; @@ -576,7 +577,7 @@ struct tlvdb *emv_pki_perform_cda_ex(const struct emv_pk *enc_pk, const struct t size_t idn_len = data[4]; if (idn_len > data[3] - 1) { - printf("ERROR: Invalid IDN length\n"); + PrintAndLogEx(ERR, "Invalid IDN length\n"); free(data); return NULL; }