intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 896 insertions, 0 deletions

diff --git a/contrib/libs/openssl/crypto/evp/pmeth_lib.c b/contrib/libs/openssl/crypto/evp/pmeth_lib.c
new file mode 100644
index 0000000000..603ccd8352
--- /dev/null
+++ b/contrib/libs/openssl/crypto/evp/pmeth_lib.c
@@ -0,0 +1,896 @@
+/*
+ * Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "internal/cryptlib.h"
+#include <openssl/engine.h>
+#include <openssl/evp.h>
+#include <openssl/x509v3.h>
+#include "crypto/asn1.h"
+#include "crypto/evp.h"
+#include "internal/numbers.h"
+
+typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
+
+static STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL;
+
+/* This array needs to be in order of NIDs */
+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,
+#ifndef OPENSSL_NO_CMAC
+    &cmac_pkey_meth,
+#endif
+#ifndef OPENSSL_NO_RSA
+    &rsa_pss_pkey_meth,
+#endif
+#ifndef OPENSSL_NO_DH
+    &dhx_pkey_meth,
+#endif
+#ifndef OPENSSL_NO_SCRYPT
+    &scrypt_pkey_meth,
+#endif
+    &tls1_prf_pkey_meth,
+#ifndef OPENSSL_NO_EC
+    &ecx25519_pkey_meth,
+    &ecx448_pkey_meth,
+#endif
+    &hkdf_pkey_meth,
+#ifndef OPENSSL_NO_POLY1305
+    &poly1305_pkey_meth,
+#endif
+#ifndef OPENSSL_NO_SIPHASH
+    &siphash_pkey_meth,
+#endif
+#ifndef OPENSSL_NO_EC
+    &ed25519_pkey_meth,
+    &ed448_pkey_meth,
+#endif
+#ifndef OPENSSL_NO_SM2
+    &sm2_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 == NULL)
+            return 0;
+        id = pkey->type;
+    }
+#ifndef OPENSSL_NO_ENGINE
+    if (e == NULL && pkey != NULL)
+        e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : 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. Otherwise use internal
+     * tables.
+     */
+    if (e)
+        pmeth = ENGINE_get_pkey_meth(e, id);
+    else
+#endif
+        pmeth = EVP_PKEY_meth_find(id);
+
+    if (pmeth == NULL) {
+#ifndef OPENSSL_NO_ENGINE
+        ENGINE_finish(e);
+#endif
+        EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
+        return NULL;
+    }
+
+    ret = OPENSSL_zalloc(sizeof(*ret));
+    if (ret == NULL) {
+#ifndef OPENSSL_NO_ENGINE
+        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 != NULL)
+        EVP_PKEY_up_ref(pkey);
+
+    if (pmeth->init) {
+        if (pmeth->init(ret) <= 0) {
+            ret->pmeth = NULL;
+            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 == NULL) {
+        EVPerr(EVP_F_EVP_PKEY_METH_NEW, ERR_R_MALLOC_FAILURE);
+        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;
+
+    dst->check = src->check;
+}
+
+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 == NULL) {
+        EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_MALLOC_FAILURE);
+        return NULL;
+    }
+
+    rctx->pmeth = pctx->pmeth;
+#ifndef OPENSSL_NO_ENGINE
+    rctx->engine = pctx->engine;
+#endif
+
+    if (pctx->pkey)
+        EVP_PKEY_up_ref(pctx->pkey);
+
+    rctx->pkey = pctx->pkey;
+
+    if (pctx->peerkey)
+        EVP_PKEY_up_ref(pctx->peerkey);
+
+    rctx->peerkey = pctx->peerkey;
+
+    rctx->data = NULL;
+    rctx->app_data = NULL;
+    rctx->operation = pctx->operation;
+
+    if (pctx->pmeth->copy(rctx, pctx) > 0)
+        return rctx;
+
+    rctx->pmeth = NULL;
+    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 == NULL){
+            EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
+            return 0;
+        }
+    }
+    if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) {
+        EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
+        return 0;
+    }
+    sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
+    return 1;
+}
+
+void evp_app_cleanup_int(void)
+{
+    if (app_pkey_methods != NULL)
+        sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free);
+}
+
+int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth)
+{
+    const EVP_PKEY_METHOD *ret;
+
+    ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth);
+
+    return ret == NULL ? 0 : 1;
+}
+
+size_t EVP_PKEY_meth_get_count(void)
+{
+    size_t rv = OSSL_NELEM(standard_methods);
+
+    if (app_pkey_methods)
+        rv += sk_EVP_PKEY_METHOD_num(app_pkey_methods);
+    return rv;
+}
+
+const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx)
+{
+    if (idx < OSSL_NELEM(standard_methods))
+        return standard_methods[idx];
+    if (app_pkey_methods == NULL)
+        return NULL;
+    idx -= OSSL_NELEM(standard_methods);
+    if (idx >= (size_t)sk_EVP_PKEY_METHOD_num(app_pkey_methods))
+        return NULL;
+    return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx);
+}
+
+void EVP_PKEY_CTX_free(EVP_PKEY_CTX *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
+    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;
+
+    /* Skip the operation checks since this is called in a very early stage */
+    if (ctx->pmeth->digest_custom != NULL)
+        goto doit;
+
+    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;
+    }
+
+ doit:
+    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_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
+                             int cmd, uint64_t value)
+{
+    return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
+}
+
+int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
+                          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)
+        return EVP_PKEY_CTX_md(ctx, EVP_PKEY_OP_TYPE_SIG, EVP_PKEY_CTRL_MD,
+                               value);
+    return ctx->pmeth->ctrl_str(ctx, name, value);
+}
+
+/* Utility functions to send a string of hex string to a ctrl */
+
+int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str)
+{
+    size_t len;
+
+    len = strlen(str);
+    if (len > INT_MAX)
+        return -1;
+    return ctx->pmeth->ctrl(ctx, cmd, len, (void *)str);
+}
+
+int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex)
+{
+    unsigned char *bin;
+    long binlen;
+    int rv = -1;
+
+    bin = OPENSSL_hexstr2buf(hex, &binlen);
+    if (bin == NULL)
+        return 0;
+    if (binlen <= INT_MAX)
+        rv = ctx->pmeth->ctrl(ctx, cmd, binlen, bin);
+    OPENSSL_free(bin);
+    return rv;
+}
+
+/* Pass a message digest to a ctrl */
+int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md)
+{
+    const EVP_MD *m;
+
+    if (md == NULL || (m = EVP_get_digestbyname(md)) == NULL) {
+        EVPerr(EVP_F_EVP_PKEY_CTX_MD, EVP_R_INVALID_DIGEST);
+        return 0;
+    }
+    return EVP_PKEY_CTX_ctrl(ctx, -1, optype, cmd, 0, (void *)m);
+}
+
+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_set_digestsign(EVP_PKEY_METHOD *pmeth,
+    int (*digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
+                       const unsigned char *tbs, size_t tbslen))
+{
+    pmeth->digestsign = digestsign;
+}
+
+void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth,
+    int (*digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
+                         size_t siglen, const unsigned char *tbs,
+                         size_t tbslen))
+{
+    pmeth->digestverify = digestverify;
+}
+
+void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
+                             int (*check) (EVP_PKEY *pkey))
+{
+    pmeth->check = check;
+}
+
+void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
+                                    int (*check) (EVP_PKEY *pkey))
+{
+    pmeth->public_check = check;
+}
+
+void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth,
+                                   int (*check) (EVP_PKEY *pkey))
+{
+    pmeth->param_check = check;
+}
+
+void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth,
+                                     int (*digest_custom) (EVP_PKEY_CTX *ctx,
+                                                           EVP_MD_CTX *mctx))
+{
+    pmeth->digest_custom = digest_custom;
+}
+
+void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth,
+                            int (**pinit) (EVP_PKEY_CTX *ctx))
+{
+    *pinit = pmeth->init;
+}
+
+void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth,
+                            int (**pcopy) (EVP_PKEY_CTX *dst,
+                                           EVP_PKEY_CTX *src))
+{
+    *pcopy = pmeth->copy;
+}
+
+void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth,
+                               void (**pcleanup) (EVP_PKEY_CTX *ctx))
+{
+    *pcleanup = pmeth->cleanup;
+}
+
+void EVP_PKEY_meth_get_paramgen(const 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(const 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(const 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(const 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(const 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(const 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(const 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(const 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(const 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(const 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(const 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;
+}
+
+void EVP_PKEY_meth_get_digestsign(EVP_PKEY_METHOD *pmeth,
+    int (**digestsign) (EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
+                        const unsigned char *tbs, size_t tbslen))
+{
+    if (digestsign)
+        *digestsign = pmeth->digestsign;
+}
+
+void EVP_PKEY_meth_get_digestverify(EVP_PKEY_METHOD *pmeth,
+    int (**digestverify) (EVP_MD_CTX *ctx, const unsigned char *sig,
+                          size_t siglen, const unsigned char *tbs,
+                          size_t tbslen))
+{
+    if (digestverify)
+        *digestverify = pmeth->digestverify;
+}
+
+void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
+                             int (**pcheck) (EVP_PKEY *pkey))
+{
+    if (pcheck != NULL)
+        *pcheck = pmeth->check;
+}
+
+void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,
+                                    int (**pcheck) (EVP_PKEY *pkey))
+{
+    if (pcheck != NULL)
+        *pcheck = pmeth->public_check;
+}
+
+void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth,
+                                   int (**pcheck) (EVP_PKEY *pkey))
+{
+    if (pcheck != NULL)
+        *pcheck = pmeth->param_check;
+}
+
+void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth,
+                                     int (**pdigest_custom) (EVP_PKEY_CTX *ctx,
+                                                             EVP_MD_CTX *mctx))
+{
+    if (pdigest_custom != NULL)
+        *pdigest_custom = pmeth->digest_custom;
+}