#include <openssl/dh.h>
#endif
+#include <openssl/hmac.h>
+#include <openssl/x509v3.h>
+
/* This testing gunk is implemented (and explained) lower down. It also assumes
* the application explicitly calls "ENGINE_load_openssl()" because this is no
* longer automatic in ENGINE_load_builtin_engines(). */
#define TEST_ENG_OPENSSL_RC4
#define TEST_ENG_OPENSSL_PKEY
+/* #define TEST_ENG_OPENSSL_HMAC */
/* #define TEST_ENG_OPENSSL_RC4_OTHERS */
#define TEST_ENG_OPENSSL_RC4_P_INIT
/* #define TEST_ENG_OPENSSL_RC4_P_CIPHER */
UI_METHOD *ui_method, void *callback_data);
#endif
+#ifdef TEST_ENG_OPENSSL_HMAC
+static int ossl_register_hmac_meth(void);
+static int ossl_pkey_meths(ENGINE *e, EVP_PKEY_METHOD **pmeth,
+ const int **nids, int nid);
+#endif
+
/* The constants used when creating the ENGINE */
static const char *engine_openssl_id = "openssl";
static const char *engine_openssl_name = "Software engine support";
#endif
#ifdef TEST_ENG_OPENSSL_PKEY
|| !ENGINE_set_load_privkey_function(e, openssl_load_privkey)
+#endif
+#ifdef TEST_ENG_OPENSSL_HMAC
+ || !ossl_register_hmac_meth()
+ || !ENGINE_set_pkey_meths(e, ossl_pkey_meths)
#endif
)
return 0;
return key;
}
#endif
+
+#ifdef TEST_ENG_OPENSSL_HMAC
+
+/* Experimental HMAC redirection implementation: mainly copied from
+ * hm_pmeth.c
+ */
+
+/* HMAC pkey context structure */
+
+typedef struct
+ {
+ const EVP_MD *md; /* MD for HMAC use */
+ ASN1_OCTET_STRING ktmp; /* Temp storage for key */
+ HMAC_CTX ctx;
+ } OSSL_HMAC_PKEY_CTX;
+
+static int ossl_hmac_init(EVP_PKEY_CTX *ctx)
+ {
+ OSSL_HMAC_PKEY_CTX *hctx;
+ hctx = OPENSSL_malloc(sizeof(OSSL_HMAC_PKEY_CTX));
+ if (!hctx)
+ return 0;
+ hctx->md = NULL;
+ hctx->ktmp.data = NULL;
+ hctx->ktmp.length = 0;
+ hctx->ktmp.flags = 0;
+ hctx->ktmp.type = V_ASN1_OCTET_STRING;
+ HMAC_CTX_init(&hctx->ctx);
+ EVP_PKEY_CTX_set_data(ctx, hctx);
+ EVP_PKEY_CTX_set0_keygen_info(ctx, NULL, 0);
+
+ return 1;
+ }
+
+static int ossl_hmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
+ {
+ OSSL_HMAC_PKEY_CTX *sctx, *dctx;
+ if (!ossl_hmac_init(dst))
+ return 0;
+ sctx = EVP_PKEY_CTX_get_data(src);
+ dctx = EVP_PKEY_CTX_get_data(dst);
+ dctx->md = sctx->md;
+ HMAC_CTX_init(&dctx->ctx);
+ if (!HMAC_CTX_copy(&dctx->ctx, &sctx->ctx))
+ return 0;
+ if (sctx->ktmp.data)
+ {
+ if (!ASN1_OCTET_STRING_set(&dctx->ktmp,
+ sctx->ktmp.data, sctx->ktmp.length))
+ return 0;
+ }
+ return 1;
+ }
+
+static void ossl_hmac_cleanup(EVP_PKEY_CTX *ctx)
+ {
+ OSSL_HMAC_PKEY_CTX *hctx;
+ hctx = EVP_PKEY_CTX_get_data(ctx);
+ HMAC_CTX_cleanup(&hctx->ctx);
+ if (hctx->ktmp.data)
+ {
+ if (hctx->ktmp.length)
+ OPENSSL_cleanse(hctx->ktmp.data, hctx->ktmp.length);
+ OPENSSL_free(hctx->ktmp.data);
+ hctx->ktmp.data = NULL;
+ }
+ OPENSSL_free(hctx);
+ }
+
+static int ossl_hmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
+ {
+ ASN1_OCTET_STRING *hkey = NULL;
+ OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(ctx);
+ if (!hctx->ktmp.data)
+ return 0;
+ hkey = ASN1_OCTET_STRING_dup(&hctx->ktmp);
+ if (!hkey)
+ return 0;
+ EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, hkey);
+
+ return 1;
+ }
+
+static int ossl_int_update(EVP_MD_CTX *ctx,const void *data,size_t count)
+ {
+ OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(ctx->pctx);
+ if (!HMAC_Update(&hctx->ctx, data, count))
+ return 0;
+ return 1;
+ }
+
+static int ossl_hmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
+ {
+ EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
+ mctx->update = ossl_int_update;
+ return 1;
+ }
+
+static int ossl_hmac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
+ EVP_MD_CTX *mctx)
+ {
+ unsigned int hlen;
+ OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(ctx);
+ int l = EVP_MD_CTX_size(mctx);
+
+ if (l < 0)
+ return 0;
+ *siglen = l;
+ if (!sig)
+ return 1;
+
+ if (!HMAC_Final(&hctx->ctx, sig, &hlen))
+ return 0;
+ *siglen = (size_t)hlen;
+ return 1;
+ }
+
+static int ossl_hmac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
+ {
+ OSSL_HMAC_PKEY_CTX *hctx = EVP_PKEY_CTX_get_data(ctx);
+ EVP_PKEY *pk;
+ ASN1_OCTET_STRING *key;
+ switch (type)
+ {
+
+ case EVP_PKEY_CTRL_SET_MAC_KEY:
+ if ((!p2 && p1 > 0) || (p1 < -1))
+ return 0;
+ if (!ASN1_OCTET_STRING_set(&hctx->ktmp, p2, p1))
+ return 0;
+ break;
+
+ case EVP_PKEY_CTRL_MD:
+ hctx->md = p2;
+ break;
+
+ case EVP_PKEY_CTRL_DIGESTINIT:
+ pk = EVP_PKEY_CTX_get0_pkey(ctx);
+ key = EVP_PKEY_get0(pk);
+ if (!HMAC_Init_ex(&hctx->ctx, key->data, key->length, hctx->md,
+ NULL))
+ return 0;
+ break;
+
+ default:
+ return -2;
+
+ }
+ return 1;
+ }
+
+static int ossl_hmac_ctrl_str(EVP_PKEY_CTX *ctx,
+ const char *type, const char *value)
+ {
+ if (!value)
+ {
+ return 0;
+ }
+ if (!strcmp(type, "key"))
+ {
+ void *p = (void *)value;
+ return ossl_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY,
+ -1, p);
+ }
+ if (!strcmp(type, "hexkey"))
+ {
+ unsigned char *key;
+ int r;
+ long keylen;
+ key = string_to_hex(value, &keylen);
+ if (!key)
+ return 0;
+ r = ossl_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key);
+ OPENSSL_free(key);
+ return r;
+ }
+ return -2;
+ }
+
+static EVP_PKEY_METHOD *ossl_hmac_meth;
+
+static int ossl_register_hmac_meth(void)
+ {
+ EVP_PKEY_METHOD *meth;
+ meth = EVP_PKEY_meth_new(EVP_PKEY_HMAC, 0);
+ if (!meth)
+ return 0;
+ EVP_PKEY_meth_set_init(meth, ossl_hmac_init);
+ EVP_PKEY_meth_set_copy(meth, ossl_hmac_copy);
+ EVP_PKEY_meth_set_cleanup(meth, ossl_hmac_cleanup);
+
+ EVP_PKEY_meth_set_keygen(meth, 0, ossl_hmac_keygen);
+
+ EVP_PKEY_meth_set_signctx(meth, ossl_hmac_signctx_init,
+ ossl_hmac_signctx);
+
+ EVP_PKEY_meth_set_ctrl(meth, ossl_hmac_ctrl, ossl_hmac_ctrl_str);
+ ossl_hmac_meth = meth;
+ return 1;
+ }
+
+static int ossl_pkey_meths(ENGINE *e, EVP_PKEY_METHOD **pmeth,
+ const int **nids, int nid)
+
+ {
+ static int ossl_pkey_nids[] =
+ {
+ EVP_PKEY_HMAC,
+ 0
+ };
+ if (!*pmeth)
+ {
+ *nids = ossl_pkey_nids;
+ return 1;
+ }
+
+ if (nid == EVP_PKEY_HMAC)
+ {
+ *pmeth = ossl_hmac_meth;
+ return 1;
+ }
+
+ *pmeth = NULL;
+ return 0;
+ }
+
+
+#endif
projects / oweals / openssl.git / commitdiff