Esempio n. 1
0
/* Test of EVP_PKEY_ASN1_METHOD ordering */
static int test_asn1_meths(void)
{
    int i;
    int prev = -1;
    int good = 1;
    int pkey_id;
    const EVP_PKEY_ASN1_METHOD *ameth;

    for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
        ameth = EVP_PKEY_asn1_get0(i);
        EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL, ameth);
        if (pkey_id < prev)
            good = 0;
        prev = pkey_id;

    }
    if (!good) {
        TEST_error("EVP_PKEY_ASN1_METHOD table out of order");
        for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
            const char *info;

            ameth = EVP_PKEY_asn1_get0(i);
            EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, &info, NULL, ameth);
            if (info == NULL)
                info = "<NO NAME>";
            TEST_note("%d : %s : %s", pkey_id, OBJ_nid2ln(pkey_id), info);
        }
    }
    return good;
}
Esempio n. 2
0
const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,
                                                   const char *str, int len)
{
    int i;
    const EVP_PKEY_ASN1_METHOD *ameth;
    if (len == -1)
        len = strlen(str);
    if (pe) {
#ifndef OPENSSL_NO_ENGINE
        ENGINE *e;
        ameth = ENGINE_pkey_asn1_find_str(&e, str, len);
        if (ameth) {
            /*
             * Convert structural into functional reference
             */
            if (!ENGINE_init(e))
                ameth = NULL;
            ENGINE_free(e);
            *pe = e;
            return ameth;
        }
#endif
        *pe = NULL;
    }
    for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
        ameth = EVP_PKEY_asn1_get0(i);
        if (ameth->pkey_flags & ASN1_PKEY_ALIAS)
            continue;
        if (((int)strlen(ameth->pem_str) == len)
            && (strncasecmp(ameth->pem_str, str, len) == 0))
            return ameth;
    }
    return NULL;
}
Esempio n. 3
0
/*
 * Key parameter decoder.
 */
static OSSL_STORE_INFO *try_decode_params(const char *pem_name,
                                          const char *pem_header,
                                          const unsigned char *blob,
                                          size_t len, void **pctx,
                                          int *matchcount,
                                          const UI_METHOD *ui_method,
                                          void *ui_data)
{
    OSSL_STORE_INFO *store_info = NULL;
    int slen = 0;
    EVP_PKEY *pkey = NULL;
    const EVP_PKEY_ASN1_METHOD *ameth = NULL;
    int ok = 0;

    if (pem_name != NULL) {
        if ((slen = pem_check_suffix(pem_name, "PARAMETERS")) == 0)
            return NULL;
        *matchcount = 1;
    }

    if (slen > 0) {
        if ((pkey = EVP_PKEY_new()) == NULL) {
            OSSL_STOREerr(OSSL_STORE_F_TRY_DECODE_PARAMS, ERR_R_EVP_LIB);
            return NULL;
        }


        if (EVP_PKEY_set_type_str(pkey, pem_name, slen)
            && (ameth = EVP_PKEY_get0_asn1(pkey)) != NULL
            && ameth->param_decode != NULL
            && ameth->param_decode(pkey, &blob, len))
            ok = 1;
    } else {
        int i;
        EVP_PKEY *tmp_pkey = NULL;

        for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
            const unsigned char *tmp_blob = blob;

            if (tmp_pkey == NULL && (tmp_pkey = EVP_PKEY_new()) == NULL) {
                OSSL_STOREerr(OSSL_STORE_F_TRY_DECODE_PARAMS, ERR_R_EVP_LIB);
                break;
            }

            ameth = EVP_PKEY_asn1_get0(i);
            if (ameth->pkey_flags & ASN1_PKEY_ALIAS)
                continue;

            if (EVP_PKEY_set_type(tmp_pkey, ameth->pkey_id)
                && (ameth = EVP_PKEY_get0_asn1(tmp_pkey)) != NULL
                && ameth->param_decode != NULL
                && ameth->param_decode(tmp_pkey, &tmp_blob, len)) {
                if (pkey != NULL)
                    EVP_PKEY_free(tmp_pkey);
                else
                    pkey = tmp_pkey;
                tmp_pkey = NULL;
                (*matchcount)++;
            }
        }

        EVP_PKEY_free(tmp_pkey);
        if (*matchcount == 1) {
            ok = 1;
        }
    }

    if (ok)
        store_info = OSSL_STORE_INFO_new_PARAMS(pkey);
    if (store_info == NULL)
        EVP_PKEY_free(pkey);

    return store_info;
}
Esempio n. 4
0
static OSSL_STORE_INFO *try_decode_PrivateKey(const char *pem_name,
                                              const char *pem_header,
                                              const unsigned char *blob,
                                              size_t len, void **pctx,
                                              int *matchcount,
                                              const UI_METHOD *ui_method,
                                              void *ui_data)
{
    OSSL_STORE_INFO *store_info = NULL;
    EVP_PKEY *pkey = NULL;
    const EVP_PKEY_ASN1_METHOD *ameth = NULL;

    if (pem_name != NULL) {
        if (strcmp(pem_name, PEM_STRING_PKCS8INF) == 0) {
            PKCS8_PRIV_KEY_INFO *p8inf =
                d2i_PKCS8_PRIV_KEY_INFO(NULL, &blob, len);

            *matchcount = 1;
            if (p8inf != NULL)
                pkey = EVP_PKCS82PKEY(p8inf);
            PKCS8_PRIV_KEY_INFO_free(p8inf);
        } else {
            int slen;

            if ((slen = pem_check_suffix(pem_name, "PRIVATE KEY")) > 0
                && (ameth = EVP_PKEY_asn1_find_str(NULL, pem_name,
                                                   slen)) != NULL) {
                *matchcount = 1;
                pkey = d2i_PrivateKey(ameth->pkey_id, NULL, &blob, len);
            }
        }
    } else {
        int i;

        for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
            EVP_PKEY *tmp_pkey = NULL;
            const unsigned char *tmp_blob = blob;

            ameth = EVP_PKEY_asn1_get0(i);
            if (ameth->pkey_flags & ASN1_PKEY_ALIAS)
                continue;

            tmp_pkey = d2i_PrivateKey(ameth->pkey_id, NULL, &tmp_blob, len);
            if (tmp_pkey != NULL) {
                if (pkey != NULL)
                    EVP_PKEY_free(tmp_pkey);
                else
                    pkey = tmp_pkey;
                (*matchcount)++;
            }
        }

        if (*matchcount > 1) {
            EVP_PKEY_free(pkey);
            pkey = NULL;
        }
    }
    if (pkey == NULL)
        /* No match */
        return NULL;

    store_info = OSSL_STORE_INFO_new_PKEY(pkey);
    if (store_info == NULL)
        EVP_PKEY_free(pkey);

    return store_info;
}