Verified Commit f3c15bda authored by Tomáš Stefan's avatar Tomáš Stefan
Browse files

add fn sigil_print_digest 

prints in hex format ASN1_OCTET_STRING
parent 0c0bf2b3

include/cryptography.h

+0 −2
Original line number Diff line number Diff line
@@ -8,8 +8,6 @@ 
#include "types.h"





void print_computed_hash(sigil_t *sgl);



/** @brief Compute a message digest (hash) for the PKCS#1 signature type

 *

 * @param sgl context

include/sigil.h

+6 −0
Original line number Diff line number Diff line
@@ -121,6 +121,12 @@ sigil_err_t sigil_get_original_digest(sigil_t *sgl, ASN1_OCTET_STRING **digest); 
 */

sigil_err_t sigil_get_computed_digest(sigil_t *sgl, ASN1_OCTET_STRING **digest);



/** @brief Print provided message digest to the standard output

 *

 * @param digest input - digest to be printed

 */

void sigil_print_digest(const ASN1_OCTET_STRING *digest);



/** @brief Gets the subfilter value from the provided context

 *

 * @param sgl context

lib/cryptography.c

+0 −14
Original line number Diff line number Diff line
@@ -61,20 +61,6 @@ static sigil_err_t hex_to_dec(const char *in, size_t in_len, unsigned char *out, 
    return ERR_NONE;

}



//void print_computed_hash(sigil_t *sgl)

//{

//    if (sgl == NULL || sgl->computed_hash_len <= 0)

//        return;

//

//    printf("\nCOMPUTED HASH: ");

//

//    for (int i = 0; i < sgl->computed_hash_len; i++) {

//        printf("%02x ", sgl->computed_hash[i]);

//    }

//

//    printf("\n");

//}



sigil_err_t compute_digest_pkcs1(sigil_t *sgl)

{

    sigil_err_t err;

lib/sigil.c

+19 −0
Original line number Diff line number Diff line
@@ -413,6 +413,25 @@ sigil_err_t sigil_get_computed_digest(sigil_t *sgl, ASN1_OCTET_STRING **digest) 
    return ERR_NONE;

}



void sigil_print_digest(const ASN1_OCTET_STRING *digest)

{

    const unsigned char *digest_data;

    int digest_len;



    if (digest == NULL)

        return;



    digest_len = ASN1_STRING_length(digest);

    digest_data = ASN1_STRING_get0_data(digest);



    if (digest_len < 0 || digest_data == NULL)

        return;



    for (int i = 0; i < digest_len; i++) {

        printf("%02x ", digest_data[i]);

    }

}



sigil_err_t sigil_get_subfilter(sigil_t *sgl, int *subfilter)

{

    if (sgl == NULL || subfilter == NULL)