/* pmeth_lib.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
- * project 2006.
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 2006.
*/
/* ====================================================================
* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
#include <stdio.h>
#include <stdlib.h>
-#include <openssl/objects.h>
-#include "cryptlib.h"
-#include <openssl/evp.h>
-#include "asn1_locl.h"
-#include "evp_locl.h"
-
-STACK *app_pkey_methods = NULL;
-
-extern EVP_PKEY_METHOD rsa_pkey_meth;
-
-static const EVP_PKEY_METHOD *standard_methods[] =
- {
- &rsa_pkey_meth
- };
-
-static int pmeth_cmp(const EVP_PKEY_METHOD * const *a,
- const EVP_PKEY_METHOD * const *b)
- {
- return ((*a)->pkey_id - (*b)->pkey_id);
- }
-
-const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type, ENGINE *e)
- {
- EVP_PKEY_METHOD tmp, *t = &tmp, **ret;
- tmp.pkey_id = type;
- if (app_pkey_methods)
- {
- int idx;
- idx = sk_find(app_pkey_methods, (char *)&tmp);
- if (idx >= 0)
- return (EVP_PKEY_METHOD *)
- sk_value(app_pkey_methods, idx);
- }
- ret = (EVP_PKEY_METHOD **) OBJ_bsearch((char *)&t,
- (char *)standard_methods,
- sizeof(standard_methods)/sizeof(EVP_PKEY_METHOD *),
- sizeof(EVP_PKEY_METHOD *),
- (int (*)(const void *, const void *))pmeth_cmp);
- if (!ret || !*ret)
- return NULL;
- return *ret;
- }
-
-EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey)
- {
- EVP_PKEY_CTX *ret;
- const EVP_PKEY_METHOD *pmeth;
- if (!pkey || !pkey->ameth)
- return NULL;
- pmeth = EVP_PKEY_meth_find(pkey->ameth->pkey_id, NULL);
- if (pmeth == NULL)
- return NULL;
- ret = OPENSSL_malloc(sizeof(EVP_PKEY_CTX));
- ret->pmeth = pmeth;
- ret->operation = EVP_PKEY_OP_UNDEFINED;
- CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY);
- ret->pkey = pkey;
- ret->data = NULL;
-
- if (pmeth->init)
- {
- if (pmeth->init(ret) <= 0)
- {
- EVP_PKEY_CTX_free(ret);
- return NULL;
- }
- }
-
- return ret;
- }
+#include "internal/cryptlib.h"
+#ifndef OPENSSL_NO_ENGINE
+# include <openssl/engine.h>
+#endif
+#include "internal/asn1_int.h"
+#include "internal/evp_int.h"
+
+typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
+
+DECLARE_STACK_OF(EVP_PKEY_METHOD)
+static STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL;
+
+static const EVP_PKEY_METHOD *standard_methods[] = {
+#ifndef OPENSSL_NO_RSA
+ &rsa_pkey_meth,
+#endif
+#ifndef OPENSSL_NO_DH
+ &dh_pkey_meth,
+#endif
+#ifndef OPENSSL_NO_DSA
+ &dsa_pkey_meth,
+#endif
+#ifndef OPENSSL_NO_EC
+ &ec_pkey_meth,
+#endif
+ &hmac_pkey_meth,
+ &cmac_pkey_meth,
+#ifndef OPENSSL_NO_DH
+ &dhx_pkey_meth
+#endif
+};
+
+DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
+ pmeth);
+
+static int pmeth_cmp(const EVP_PKEY_METHOD *const *a,
+ const EVP_PKEY_METHOD *const *b)
+{
+ return ((*a)->pkey_id - (*b)->pkey_id);
+}
+
+IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *,
+ pmeth);
+
+const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type)
+{
+ EVP_PKEY_METHOD tmp;
+ const EVP_PKEY_METHOD *t = &tmp, **ret;
+ tmp.pkey_id = type;
+ if (app_pkey_methods) {
+ int idx;
+ idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp);
+ if (idx >= 0)
+ return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
+ }
+ ret = OBJ_bsearch_pmeth(&t, standard_methods,
+ sizeof(standard_methods) /
+ sizeof(EVP_PKEY_METHOD *));
+ if (!ret || !*ret)
+ return NULL;
+ return *ret;
+}
+
+static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id)
+{
+ EVP_PKEY_CTX *ret;
+ const EVP_PKEY_METHOD *pmeth;
+ if (id == -1) {
+ if (!pkey || !pkey->ameth)
+ return NULL;
+ id = pkey->ameth->pkey_id;
+ }
+#ifndef OPENSSL_NO_ENGINE
+ if (pkey && pkey->engine)
+ e = pkey->engine;
+ /* Try to find an ENGINE which implements this method */
+ if (e) {
+ if (!ENGINE_init(e)) {
+ EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);
+ return NULL;
+ }
+ } else
+ e = ENGINE_get_pkey_meth_engine(id);
+
+ /*
+ * If an ENGINE handled this method look it up. Othewise use internal
+ * tables.
+ */
+
+ if (e)
+ pmeth = ENGINE_get_pkey_meth(e, id);
+ else
+#endif
+ pmeth = EVP_PKEY_meth_find(id);
+
+ if (pmeth == NULL) {
+ EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
+ return NULL;
+ }
+
+ ret = OPENSSL_zalloc(sizeof(*ret));
+ if (!ret) {
+#ifndef OPENSSL_NO_ENGINE
+ if (e)
+ ENGINE_finish(e);
+#endif
+ EVPerr(EVP_F_INT_CTX_NEW, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ ret->engine = e;
+ ret->pmeth = pmeth;
+ ret->operation = EVP_PKEY_OP_UNDEFINED;
+ ret->pkey = pkey;
+ if (pkey)
+ CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
+
+ if (pmeth->init) {
+ if (pmeth->init(ret) <= 0) {
+ EVP_PKEY_CTX_free(ret);
+ return NULL;
+ }
+ }
+
+ return ret;
+}
+
+EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags)
+{
+ EVP_PKEY_METHOD *pmeth;
+
+ pmeth = OPENSSL_zalloc(sizeof(*pmeth));
+ if (!pmeth)
+ return NULL;
+
+ pmeth->pkey_id = id;
+ pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
+ return pmeth;
+}
+
+void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
+ const EVP_PKEY_METHOD *meth)
+{
+ if (ppkey_id)
+ *ppkey_id = meth->pkey_id;
+ if (pflags)
+ *pflags = meth->flags;
+}
+
+void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src)
+{
+
+ dst->init = src->init;
+ dst->copy = src->copy;
+ dst->cleanup = src->cleanup;
+
+ dst->paramgen_init = src->paramgen_init;
+ dst->paramgen = src->paramgen;
+
+ dst->keygen_init = src->keygen_init;
+ dst->keygen = src->keygen;
+
+ dst->sign_init = src->sign_init;
+ dst->sign = src->sign;
+
+ dst->verify_init = src->verify_init;
+ dst->verify = src->verify;
+
+ dst->verify_recover_init = src->verify_recover_init;
+ dst->verify_recover = src->verify_recover;
+
+ dst->signctx_init = src->signctx_init;
+ dst->signctx = src->signctx;
+
+ dst->verifyctx_init = src->verifyctx_init;
+ dst->verifyctx = src->verifyctx;
+
+ dst->encrypt_init = src->encrypt_init;
+ dst->encrypt = src->encrypt;
+
+ dst->decrypt_init = src->decrypt_init;
+ dst->decrypt = src->decrypt;
+
+ dst->derive_init = src->derive_init;
+ dst->derive = src->derive;
+
+ dst->ctrl = src->ctrl;
+ dst->ctrl_str = src->ctrl_str;
+}
+
+void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
+{
+ if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC))
+ OPENSSL_free(pmeth);
+}
+
+EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
+{
+ return int_ctx_new(pkey, e, -1);
+}
+
+EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
+{
+ return int_ctx_new(NULL, e, id);
+}
+
+EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *pctx)
+{
+ EVP_PKEY_CTX *rctx;
+ if (!pctx->pmeth || !pctx->pmeth->copy)
+ return NULL;
+#ifndef OPENSSL_NO_ENGINE
+ /* Make sure it's safe to copy a pkey context using an ENGINE */
+ if (pctx->engine && !ENGINE_init(pctx->engine)) {
+ EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_ENGINE_LIB);
+ return 0;
+ }
+#endif
+ rctx = OPENSSL_malloc(sizeof(*rctx));
+ if (!rctx)
+ return NULL;
+
+ rctx->pmeth = pctx->pmeth;
+#ifndef OPENSSL_NO_ENGINE
+ rctx->engine = pctx->engine;
+#endif
+
+ if (pctx->pkey)
+ CRYPTO_add(&pctx->pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
+
+ rctx->pkey = pctx->pkey;
+
+ if (pctx->peerkey)
+ CRYPTO_add(&pctx->peerkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
+
+ rctx->peerkey = pctx->peerkey;
+
+ rctx->data = NULL;
+ rctx->app_data = NULL;
+ rctx->operation = pctx->operation;
+
+ if (pctx->pmeth->copy(rctx, pctx) > 0)
+ return rctx;
+
+ EVP_PKEY_CTX_free(rctx);
+ return NULL;
+
+}
+
+int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
+{
+ if (app_pkey_methods == NULL) {
+ app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
+ if (!app_pkey_methods)
+ return 0;
+ }
+ if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth))
+ return 0;
+ sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
+ return 1;
+}
void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
- {
- if (ctx->pmeth && ctx->pmeth->cleanup)
- ctx->pmeth->cleanup(ctx);
- if (ctx->pkey)
- EVP_PKEY_free(ctx->pkey);
- OPENSSL_free(ctx);
- }
+{
+ if (ctx == NULL)
+ return;
+ if (ctx->pmeth && ctx->pmeth->cleanup)
+ ctx->pmeth->cleanup(ctx);
+ EVP_PKEY_free(ctx->pkey);
+ EVP_PKEY_free(ctx->peerkey);
+#ifndef OPENSSL_NO_ENGINE
+ if (ctx->engine)
+ /*
+ * The EVP_PKEY_CTX we used belongs to an ENGINE, release the
+ * functional reference we held for this reason.
+ */
+ ENGINE_finish(ctx->engine);
+#endif
+ OPENSSL_free(ctx);
+}
int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
- int cmd, int p1, void *p2)
- {
- int ret;
- if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl)
- {
- EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
- return -2;
- }
- if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
- return -1;
-
- if (ctx->operation == EVP_PKEY_OP_UNDEFINED)
- {
- EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
- return -1;
- }
-
- if ((optype != -1) && (ctx->operation != optype))
- {
- EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
- return -1;
- }
-
- ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
-
- if (ret == -2)
- EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
-
- return ret;
-
- }
+ int cmd, int p1, void *p2)
+{
+ int ret;
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl) {
+ EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
+ return -2;
+ }
+ if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
+ return -1;
+
+ if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
+ EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
+ return -1;
+ }
+
+ if ((optype != -1) && !(ctx->operation & optype)) {
+ EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION);
+ return -1;
+ }
+
+ ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
+
+ if (ret == -2)
+ EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
+
+ return ret;
+
+}
int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
- const char *name, const char *value)
- {
- if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl)
- {
- EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
- return -2;
- }
- return ctx->pmeth->ctrl_str(ctx, name, value);
- }
+ const char *name, const char *value)
+{
+ if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
+ EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
+ return -2;
+ }
+ if (strcmp(name, "digest") == 0) {
+ const EVP_MD *md;
+ if (value == NULL || (md = EVP_get_digestbyname(value)) == NULL) {
+ EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_INVALID_DIGEST);
+ return 0;
+ }
+ return EVP_PKEY_CTX_set_signature_md(ctx, md);
+ }
+ return ctx->pmeth->ctrl_str(ctx, name, value);
+}
+
+int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx)
+{
+ return ctx->operation;
+}
+
+void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen)
+{
+ ctx->keygen_info = dat;
+ ctx->keygen_info_count = datlen;
+}
+
+void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data)
+{
+ ctx->data = data;
+}
+
+void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx)
+{
+ return ctx->data;
+}
+
+EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx)
+{
+ return ctx->pkey;
+}
+
+EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx)
+{
+ return ctx->peerkey;
+}
+
+void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data)
+{
+ ctx->app_data = data;
+}
+
+void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
+{
+ return ctx->app_data;
+}
+
+void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
+ int (*init) (EVP_PKEY_CTX *ctx))
+{
+ pmeth->init = init;
+}
+
+void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
+ int (*copy) (EVP_PKEY_CTX *dst,
+ EVP_PKEY_CTX *src))
+{
+ pmeth->copy = copy;
+}
+
+void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
+ void (*cleanup) (EVP_PKEY_CTX *ctx))
+{
+ pmeth->cleanup = cleanup;
+}
+
+void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
+ int (*paramgen_init) (EVP_PKEY_CTX *ctx),
+ int (*paramgen) (EVP_PKEY_CTX *ctx,
+ EVP_PKEY *pkey))
+{
+ pmeth->paramgen_init = paramgen_init;
+ pmeth->paramgen = paramgen;
+}
+
+void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
+ int (*keygen_init) (EVP_PKEY_CTX *ctx),
+ int (*keygen) (EVP_PKEY_CTX *ctx,
+ EVP_PKEY *pkey))
+{
+ pmeth->keygen_init = keygen_init;
+ pmeth->keygen = keygen;
+}
+
+void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
+ int (*sign_init) (EVP_PKEY_CTX *ctx),
+ int (*sign) (EVP_PKEY_CTX *ctx,
+ unsigned char *sig, size_t *siglen,
+ const unsigned char *tbs,
+ size_t tbslen))
+{
+ pmeth->sign_init = sign_init;
+ pmeth->sign = sign;
+}
+
+void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
+ int (*verify_init) (EVP_PKEY_CTX *ctx),
+ int (*verify) (EVP_PKEY_CTX *ctx,
+ const unsigned char *sig,
+ size_t siglen,
+ const unsigned char *tbs,
+ size_t tbslen))
+{
+ pmeth->verify_init = verify_init;
+ pmeth->verify = verify;
+}
+
+void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
+ int (*verify_recover_init) (EVP_PKEY_CTX
+ *ctx),
+ int (*verify_recover) (EVP_PKEY_CTX
+ *ctx,
+ unsigned char
+ *sig,
+ size_t *siglen,
+ const unsigned
+ char *tbs,
+ size_t tbslen))
+{
+ pmeth->verify_recover_init = verify_recover_init;
+ pmeth->verify_recover = verify_recover;
+}
+
+void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
+ int (*signctx_init) (EVP_PKEY_CTX *ctx,
+ EVP_MD_CTX *mctx),
+ int (*signctx) (EVP_PKEY_CTX *ctx,
+ unsigned char *sig,
+ size_t *siglen,
+ EVP_MD_CTX *mctx))
+{
+ pmeth->signctx_init = signctx_init;
+ pmeth->signctx = signctx;
+}
+
+void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
+ int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
+ EVP_MD_CTX *mctx),
+ int (*verifyctx) (EVP_PKEY_CTX *ctx,
+ const unsigned char *sig,
+ int siglen,
+ EVP_MD_CTX *mctx))
+{
+ pmeth->verifyctx_init = verifyctx_init;
+ pmeth->verifyctx = verifyctx;
+}
+
+void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
+ int (*encrypt_init) (EVP_PKEY_CTX *ctx),
+ int (*encryptfn) (EVP_PKEY_CTX *ctx,
+ unsigned char *out,
+ size_t *outlen,
+ const unsigned char *in,
+ size_t inlen))
+{
+ pmeth->encrypt_init = encrypt_init;
+ pmeth->encrypt = encryptfn;
+}
+
+void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
+ int (*decrypt_init) (EVP_PKEY_CTX *ctx),
+ int (*decrypt) (EVP_PKEY_CTX *ctx,
+ unsigned char *out,
+ size_t *outlen,
+ const unsigned char *in,
+ size_t inlen))
+{
+ pmeth->decrypt_init = decrypt_init;
+ pmeth->decrypt = decrypt;
+}
+
+void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
+ int (*derive_init) (EVP_PKEY_CTX *ctx),
+ int (*derive) (EVP_PKEY_CTX *ctx,
+ unsigned char *key,
+ size_t *keylen))
+{
+ pmeth->derive_init = derive_init;
+ pmeth->derive = derive;
+}
+
+void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
+ int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
+ void *p2),
+ int (*ctrl_str) (EVP_PKEY_CTX *ctx,
+ const char *type,
+ const char *value))
+{
+ pmeth->ctrl = ctrl;
+ pmeth->ctrl_str = ctrl_str;
+}
+
+void EVP_PKEY_meth_get_init(EVP_PKEY_METHOD *pmeth,
+ int (**pinit) (EVP_PKEY_CTX *ctx))
+{
+ *pinit = pmeth->init;
+}
+
+void EVP_PKEY_meth_get_copy(EVP_PKEY_METHOD *pmeth,
+ int (**pcopy) (EVP_PKEY_CTX *dst,
+ EVP_PKEY_CTX *src))
+{
+ *pcopy = pmeth->copy;
+}
+
+void EVP_PKEY_meth_get_cleanup(EVP_PKEY_METHOD *pmeth,
+ void (**pcleanup) (EVP_PKEY_CTX *ctx))
+{
+ *pcleanup = pmeth->cleanup;
+}
+
+void EVP_PKEY_meth_get_paramgen(EVP_PKEY_METHOD *pmeth,
+ int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
+ int (**pparamgen) (EVP_PKEY_CTX *ctx,
+ EVP_PKEY *pkey))
+{
+ if (pparamgen_init)
+ *pparamgen_init = pmeth->paramgen_init;
+ if (pparamgen)
+ *pparamgen = pmeth->paramgen;
+}
+
+void EVP_PKEY_meth_get_keygen(EVP_PKEY_METHOD *pmeth,
+ int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
+ int (**pkeygen) (EVP_PKEY_CTX *ctx,
+ EVP_PKEY *pkey))
+{
+ if (pkeygen_init)
+ *pkeygen_init = pmeth->keygen_init;
+ if (pkeygen)
+ *pkeygen = pmeth->keygen;
+}
+
+void EVP_PKEY_meth_get_sign(EVP_PKEY_METHOD *pmeth,
+ int (**psign_init) (EVP_PKEY_CTX *ctx),
+ int (**psign) (EVP_PKEY_CTX *ctx,
+ unsigned char *sig, size_t *siglen,
+ const unsigned char *tbs,
+ size_t tbslen))
+{
+ if (psign_init)
+ *psign_init = pmeth->sign_init;
+ if (psign)
+ *psign = pmeth->sign;
+}
+
+void EVP_PKEY_meth_get_verify(EVP_PKEY_METHOD *pmeth,
+ int (**pverify_init) (EVP_PKEY_CTX *ctx),
+ int (**pverify) (EVP_PKEY_CTX *ctx,
+ const unsigned char *sig,
+ size_t siglen,
+ const unsigned char *tbs,
+ size_t tbslen))
+{
+ if (pverify_init)
+ *pverify_init = pmeth->verify_init;
+ if (pverify)
+ *pverify = pmeth->verify;
+}
+
+void EVP_PKEY_meth_get_verify_recover(EVP_PKEY_METHOD *pmeth,
+ int (**pverify_recover_init) (EVP_PKEY_CTX
+ *ctx),
+ int (**pverify_recover) (EVP_PKEY_CTX
+ *ctx,
+ unsigned char
+ *sig,
+ size_t *siglen,
+ const unsigned
+ char *tbs,
+ size_t tbslen))
+{
+ if (pverify_recover_init)
+ *pverify_recover_init = pmeth->verify_recover_init;
+ if (pverify_recover)
+ *pverify_recover = pmeth->verify_recover;
+}
+
+void EVP_PKEY_meth_get_signctx(EVP_PKEY_METHOD *pmeth,
+ int (**psignctx_init) (EVP_PKEY_CTX *ctx,
+ EVP_MD_CTX *mctx),
+ int (**psignctx) (EVP_PKEY_CTX *ctx,
+ unsigned char *sig,
+ size_t *siglen,
+ EVP_MD_CTX *mctx))
+{
+ if (psignctx_init)
+ *psignctx_init = pmeth->signctx_init;
+ if (psignctx)
+ *psignctx = pmeth->signctx;
+}
+
+void EVP_PKEY_meth_get_verifyctx(EVP_PKEY_METHOD *pmeth,
+ int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
+ EVP_MD_CTX *mctx),
+ int (**pverifyctx) (EVP_PKEY_CTX *ctx,
+ const unsigned char *sig,
+ int siglen,
+ EVP_MD_CTX *mctx))
+{
+ if (pverifyctx_init)
+ *pverifyctx_init = pmeth->verifyctx_init;
+ if (pverifyctx)
+ *pverifyctx = pmeth->verifyctx;
+}
+
+void EVP_PKEY_meth_get_encrypt(EVP_PKEY_METHOD *pmeth,
+ int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
+ int (**pencryptfn) (EVP_PKEY_CTX *ctx,
+ unsigned char *out,
+ size_t *outlen,
+ const unsigned char *in,
+ size_t inlen))
+{
+ if (pencrypt_init)
+ *pencrypt_init = pmeth->encrypt_init;
+ if (pencryptfn)
+ *pencryptfn = pmeth->encrypt;
+}
+
+void EVP_PKEY_meth_get_decrypt(EVP_PKEY_METHOD *pmeth,
+ int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
+ int (**pdecrypt) (EVP_PKEY_CTX *ctx,
+ unsigned char *out,
+ size_t *outlen,
+ const unsigned char *in,
+ size_t inlen))
+{
+ if (pdecrypt_init)
+ *pdecrypt_init = pmeth->decrypt_init;
+ if (pdecrypt)
+ *pdecrypt = pmeth->decrypt;
+}
+
+void EVP_PKEY_meth_get_derive(EVP_PKEY_METHOD *pmeth,
+ int (**pderive_init) (EVP_PKEY_CTX *ctx),
+ int (**pderive) (EVP_PKEY_CTX *ctx,
+ unsigned char *key,
+ size_t *keylen))
+{
+ if (pderive_init)
+ *pderive_init = pmeth->derive_init;
+ if (pderive)
+ *pderive = pmeth->derive;
+}
+
+void EVP_PKEY_meth_get_ctrl(EVP_PKEY_METHOD *pmeth,
+ int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
+ void *p2),
+ int (**pctrl_str) (EVP_PKEY_CTX *ctx,
+ const char *type,
+ const char *value))
+{
+ if (pctrl)
+ *pctrl = pmeth->ctrl;
+ if (pctrl_str)
+ *pctrl_str = pmeth->ctrl_str;
+}
projects / openssl.git / blobdiff