verify_pin_block.c

Example of PIN block verification .

See Note on examples.

#include <string.h>
#include <stdlib.h>
#include <stdio.h>
 
#include <dinamo.h> /* header do Dinamo */
 
#define HOST_ADDR       "127.0.0.1"
#define USER_ID         "master"
#define USER_PWD        "12345678"
 
#define PGK_KEY_TYPE ALG_3DES_168
#define PTK_KEY_TYPE ALG_3DES_112
 
int main()
{
    int nRet = 0;
    struct AUTH_PWD authPwd;
    HSESSIONCTX hSession = NULL;
    HKEYCTX hPgkKey = NULL;
    HKEYCTX hPtkKey = NULL;
    BYTE pbPgkKeyData[] = {0x12, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x23,
                           0x12, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x23,
                           0x12, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x23};
    BYTE pbPtkKeyData[] = {0xF2, 0x15, 0x75, 0xBA, 0x54, 0x68, 0xC4, 0x1C,
                           0xD5, 0xC7, 0x4A, 0xFE, 0x64, 0x94, 0x08, 0x37};
    BYTE pbPinBlock[] = {0x19, 0x37, 0x35, 0x9B, 0x46, 0x93, 0x2D, 0x3C};
    char szPgk[] = "pgk";
    char szPtk[] = "ptk";
    char szPan[] = "4987654321098765";
    char szOffset[] = "3152";
 
    // Inicializa as bibliotecas do Dinamo
    nRet = DInitialize(0);
    if (nRet){
        printf("Falha na funcao: DInitialize \nCodigo de erro: %d\n", nRet);
        goto clean;
    }
 
    printf("Bibliotecas inicializadas.\n");
 
    //Inicializa a estrutura para conexao com o HSM
    strncpy(authPwd.szAddr, HOST_ADDR, sizeof(authPwd.szAddr));
    authPwd.nPort = DEFAULT_PORT;
    strncpy(authPwd.szUserId, USER_ID, sizeof(authPwd.szUserId));
    strncpy(authPwd.szPassword, USER_PWD, sizeof(authPwd.szPassword));
 
    nRet = DOpenSession(&hSession, SS_USER_PWD, (BYTE *)&authPwd, 
                        sizeof(authPwd), ENCRYPTED_CONN);
 
    if (nRet){
        printf("Falha na funcao: DOpenSession \nCodigo de erro: %d\n", nRet);
        goto clean;
    }
    printf("Sessao com o Dinamo estabelecida.\n");
 
    // Importa chave PGK (PIN Generation Key)
    nRet = DImportKey(hSession, szPgk, NULL, PLAINTEXTKEY_BLOB, PGK_KEY_TYPE,
                      TEMPORARY_KEY, pbPgkKeyData, sizeof(pbPgkKeyData), &hPgkKey);
    if(nRet){
        printf("Falha na funcao: DImportKey\nCodigo de erro: %d\n", nRet);
        goto clean;
    }
    printf("Chave PGK importada com sucesso!\n");
 
    /*
    * O contexto da chave pode ser liberado agora. Precisaremos apenas do 
    * nome da chave daqui em diante.
    */
    DDestroyKey(&hPgkKey, 0);
 
    // Importa chave PTK (PIN Transport Key)
    nRet = DImportKey(hSession, szPtk, NULL, PLAINTEXTKEY_BLOB, PTK_KEY_TYPE,
                      TEMPORARY_KEY, pbPtkKeyData, sizeof(pbPtkKeyData), &hPtkKey);
    if (nRet)
    {
        printf("Falha na funcao: DImportKey\nCodigo de erro: %d\n", nRet);
        goto clean;
    }
    printf("Chave PTK importada com sucesso!\n");
 
    /*
     * O contexto da chave pode ser liberado agora. Precisaremos apenas do
     * nome da chave daqui em diante.
     */
    DDestroyKey(&hPtkKey, 0);
 
    // Verifica o PIN block
    nRet = DVerifyPINBlock(hSession, szPtk, szPgk, szPan, szOffset, pbPinBlock, 0); 
    if(nRet){
        printf("Falha na funcao: DVerifyPINBlock\nCodigo de erro: %d\n", nRet);
        goto clean;
    }
 
    printf("PIN block verificado com sucesso!\n");
 
    clean:
 
    if (hSession) {
        DCloseSession(&hSession, 0);
        printf("Sessao encerrada.\n");
    }
 
    DFinalize();
    printf("Bibliotecas finalizada.\n");
 
    return nRet;
}