diff options
Diffstat (limited to 'contrib/pkcs11-keygen/readkey.c')
| -rw-r--r-- | contrib/pkcs11-keygen/readkey.c | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/contrib/pkcs11-keygen/readkey.c b/contrib/pkcs11-keygen/readkey.c new file mode 100644 index 0000000..869717c --- /dev/null +++ b/contrib/pkcs11-keygen/readkey.c @@ -0,0 +1,230 @@ +/* readkey [-s $slot] -l $label [-p $pin] -f $filename */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <fcntl.h> +#include <errno.h> +#include <string.h> +#include <sys/types.h> +#ifndef OPENCRYPTOKI +#include <security/cryptoki.h> +#include <security/pkcs11.h> +#else +#include <opencryptoki/pkcs11.h> +#endif +#include <openssl/conf.h> +#include <openssl/err.h> +#include <openssl/rsa.h> +#include <openssl/pem.h> + +static CK_BBOOL truevalue = TRUE; + +int +main(int argc, char *argv[]) +{ + RSA *rsa = NULL; + FILE *fp; + CK_RV rv; + CK_SLOT_ID slot = 0; + CK_SESSION_HANDLE hSession; + CK_UTF8CHAR *pin = NULL; + char *label; + CK_OBJECT_HANDLE key = CK_INVALID_HANDLE; + CK_OBJECT_CLASS kclass = CKO_PRIVATE_KEY; + char *filename; + int error = 0; + int i = 0; + int c, errflg = 0; + CK_ULONG ulObjectCount; + CK_ATTRIBUTE search_template[] = { + {CKA_LABEL, NULL, 0}, + {CKA_TOKEN, &truevalue, sizeof (truevalue)}, + {CKA_CLASS, &kclass, sizeof (kclass)} + }; + CK_BYTE id[32]; + CK_BYTE data[8][1024]; + CK_ATTRIBUTE attr_template[] = { + {CKA_ID, &id, sizeof (id)}, + {CKA_MODULUS, (void *)data[0], 1024}, /* n */ + {CKA_PUBLIC_EXPONENT, (void *)data[1], 1024}, /* e */ + {CKA_PRIVATE_EXPONENT, (void *)data[2], 1024}, /* d */ + {CKA_PRIME_1, (void *)data[3], 1024}, /* p */ + {CKA_PRIME_2, (void *)data[4], 1024}, /* q */ + {CKA_EXPONENT_1, (void *)data[5], 1024}, /* dmp1 */ + {CKA_EXPONENT_2, (void *)data[6], 1024}, /* dmq1 */ + {CKA_COEFFICIENT, (void *)data[7], 1024} /* iqmp */ + }; + extern char *optarg; + extern int optopt; + + while ((c = getopt(argc, argv, ":s:l:p:f:")) != -1) { + switch (c) { + case 's': + slot = atoi(optarg); + break; + case 'l': + label = optarg; + break; + case 'p': + pin = (CK_UTF8CHAR *)optarg; + break; + case ':': + fprintf(stderr, "Option -%c requires an operand\n", optopt); + errflg++; + break; + case 'f': + filename = optarg; + break; + case '?': + default: + fprintf(stderr, "Unrecognised option: -%c\n", optopt); + errflg++; + } + } + if ((errflg) || (!label) || (!filename)) { + fprintf(stderr, + "usage: readkey [-s slot] -l label [-p pin] -f filename\n"); + exit(1); + } + if (slot) + printf("slot %d\n", slot); + + /* Initialize OpenSSL library */ + OPENSSL_config(NULL); + rsa = RSA_new(); + if (!rsa) { + fprintf(stderr, "RSA_new failed\n"); + ERR_print_errors_fp(stderr); + exit(1); + } + + /* Initialize the CRYPTOKI library */ + rv = C_Initialize(NULL_PTR); + if ((rv != CKR_OK) && (rv != CKR_CRYPTOKI_ALREADY_INITIALIZED)) { + fprintf(stderr, "C_Initialize: Error = 0x%.8X\n", rv); + exit(1); + } + + /* Open a session on the slot found */ + rv = C_OpenSession(slot, CKF_SERIAL_SESSION, + NULL_PTR, NULL_PTR, &hSession); + if (rv != CKR_OK) { + fprintf(stderr, "C_OpenSession: Error = 0x%.8X\n", rv); + error = 1; + goto exit_program; + } + + /* Login to the Token (Keystore) */ + if (!pin) +#ifndef OPENCRYPTOKI + pin = (CK_UTF8CHAR *)getpassphrase("Enter Pin: "); +#else + pin = (CK_UTF8CHAR *)getpass("Enter Pin: "); +#endif + rv = C_Login(hSession, CKU_USER, pin, strlen((char *)pin)); + memset(pin, 0, strlen((char *)pin)); + if (rv != CKR_OK) { + fprintf(stderr, "C_Login: Error = 0x%.8X\n", rv); + error = 1; + goto exit_session; + } + + /* Set search template. */ + if (strstr(label, "pkcs11:") == label) + label = strstr(label, ":") + 1; + search_template[0].pValue = label; + search_template[0].ulValueLen = strlen(label); + + rv = C_FindObjectsInit(hSession, search_template, 3); + if (rv != CKR_OK) { + fprintf(stderr, "C_FindObjectsInit: Error = 0x%.8X\n", rv); + error = 1; + goto exit_session; + } + + rv = C_FindObjects(hSession, &key, 1, &ulObjectCount); + if (rv != CKR_OK) { + fprintf(stderr, "C_FindObjects: Error = 0x%.8X\n", rv); + error = 1; + goto exit_search; + } + if (ulObjectCount == 0) { + fprintf(stderr, "C_FindObjects: can't find the key\n"); + error = 1; + goto exit_search; + } + + rv = C_GetAttributeValue(hSession, key, attr_template, 9); + if (rv != CKR_OK) { + fprintf(stderr, "C_GetAttributeValue: Error = 0x%.8X\n", rv); + error = 1; + goto exit_search; + } + + printf("ID[%u]=", attr_template[0].ulValueLen); + for (i = 0; i < attr_template[0].ulValueLen; i++) + printf("%02x", id[i]); + printf("\n"); + + if (attr_template[1].ulValueLen > 0) + rsa->n = BN_bin2bn(data[0], attr_template[1].ulValueLen, NULL); + if (attr_template[2].ulValueLen > 0) + rsa->e = BN_bin2bn(data[1], attr_template[2].ulValueLen, NULL); + if (attr_template[3].ulValueLen > 0) + rsa->d = BN_bin2bn(data[2], attr_template[3].ulValueLen, NULL); + if (attr_template[4].ulValueLen > 0) + rsa->p = BN_bin2bn(data[3], attr_template[4].ulValueLen, NULL); + if (attr_template[5].ulValueLen > 0) + rsa->q = BN_bin2bn(data[4], attr_template[5].ulValueLen, NULL); + if (attr_template[6].ulValueLen > 0) + rsa->dmp1 = BN_bin2bn(data[5], attr_template[6].ulValueLen, NULL); + if (attr_template[7].ulValueLen > 0) + rsa->dmq1 = BN_bin2bn(data[6], attr_template[7].ulValueLen, NULL); + if (attr_template[8].ulValueLen > 0) + rsa->iqmp = BN_bin2bn(data[7], attr_template[8].ulValueLen, NULL); + + rv = C_FindObjects(hSession, &key, 1, &ulObjectCount); + if (rv != CKR_OK) { + fprintf(stderr, "C_FindObjects: Error = 0x%.8X\n", rv); + error = 1; + goto exit_search; + } + if (ulObjectCount != 0) { + fprintf(stderr, "C_FindObjects: found extra keys?\n"); + error = 1; + goto exit_search; + } + + printf("RSA="); + RSA_print_fp(stdout, rsa, 4); + + fp = fopen(filename, "w"); + if (fp == NULL) { + printf("Error opening output file.\n"); + error = 1; + goto exit_search; + } + + if (!PEM_write_RSAPrivateKey(fp, rsa, NULL, NULL, 0, NULL, NULL)) { + printf("Error writing output file.\n"); + ERR_print_errors_fp(stderr); + error = 1; + goto exit_search; + } + + exit_search: + rv = C_FindObjectsFinal(hSession); + if (rv != CKR_OK) { + fprintf(stderr, "C_FindObjectsFinal: Error = 0x%.8X\n", rv); + error = 1; + } + + exit_session: + (void) C_CloseSession(hSession); + + exit_program: + (void) C_Finalize(NULL_PTR); + + exit(error); +} |