mirror of
https://github.com/ossrs/srs.git
synced 2025-03-09 15:49:59 +00:00
297 lines
9.6 KiB
C
297 lines
9.6 KiB
C
/*
|
|
* Copyright 2006-2016 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/objects.h>
|
|
#include <openssl/evp.h>
|
|
#include "crypto/evp.h"
|
|
|
|
#define M_check_autoarg(ctx, arg, arglen, err) \
|
|
if (ctx->pmeth->flags & EVP_PKEY_FLAG_AUTOARGLEN) { \
|
|
size_t pksize = (size_t)EVP_PKEY_size(ctx->pkey); \
|
|
\
|
|
if (pksize == 0) { \
|
|
EVPerr(err, EVP_R_INVALID_KEY); /*ckerr_ignore*/ \
|
|
return 0; \
|
|
} \
|
|
if (!arg) { \
|
|
*arglen = pksize; \
|
|
return 1; \
|
|
} \
|
|
if (*arglen < pksize) { \
|
|
EVPerr(err, EVP_R_BUFFER_TOO_SMALL); /*ckerr_ignore*/ \
|
|
return 0; \
|
|
} \
|
|
}
|
|
|
|
int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx)
|
|
{
|
|
int ret;
|
|
if (!ctx || !ctx->pmeth || !ctx->pmeth->sign) {
|
|
EVPerr(EVP_F_EVP_PKEY_SIGN_INIT,
|
|
EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
return -2;
|
|
}
|
|
ctx->operation = EVP_PKEY_OP_SIGN;
|
|
if (!ctx->pmeth->sign_init)
|
|
return 1;
|
|
ret = ctx->pmeth->sign_init(ctx);
|
|
if (ret <= 0)
|
|
ctx->operation = EVP_PKEY_OP_UNDEFINED;
|
|
return ret;
|
|
}
|
|
|
|
int EVP_PKEY_sign(EVP_PKEY_CTX *ctx,
|
|
unsigned char *sig, size_t *siglen,
|
|
const unsigned char *tbs, size_t tbslen)
|
|
{
|
|
if (!ctx || !ctx->pmeth || !ctx->pmeth->sign) {
|
|
EVPerr(EVP_F_EVP_PKEY_SIGN,
|
|
EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
return -2;
|
|
}
|
|
if (ctx->operation != EVP_PKEY_OP_SIGN) {
|
|
EVPerr(EVP_F_EVP_PKEY_SIGN, EVP_R_OPERATON_NOT_INITIALIZED);
|
|
return -1;
|
|
}
|
|
M_check_autoarg(ctx, sig, siglen, EVP_F_EVP_PKEY_SIGN)
|
|
return ctx->pmeth->sign(ctx, sig, siglen, tbs, tbslen);
|
|
}
|
|
|
|
int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx)
|
|
{
|
|
int ret;
|
|
if (!ctx || !ctx->pmeth || !ctx->pmeth->verify) {
|
|
EVPerr(EVP_F_EVP_PKEY_VERIFY_INIT,
|
|
EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
return -2;
|
|
}
|
|
ctx->operation = EVP_PKEY_OP_VERIFY;
|
|
if (!ctx->pmeth->verify_init)
|
|
return 1;
|
|
ret = ctx->pmeth->verify_init(ctx);
|
|
if (ret <= 0)
|
|
ctx->operation = EVP_PKEY_OP_UNDEFINED;
|
|
return ret;
|
|
}
|
|
|
|
int EVP_PKEY_verify(EVP_PKEY_CTX *ctx,
|
|
const unsigned char *sig, size_t siglen,
|
|
const unsigned char *tbs, size_t tbslen)
|
|
{
|
|
if (!ctx || !ctx->pmeth || !ctx->pmeth->verify) {
|
|
EVPerr(EVP_F_EVP_PKEY_VERIFY,
|
|
EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
return -2;
|
|
}
|
|
if (ctx->operation != EVP_PKEY_OP_VERIFY) {
|
|
EVPerr(EVP_F_EVP_PKEY_VERIFY, EVP_R_OPERATON_NOT_INITIALIZED);
|
|
return -1;
|
|
}
|
|
return ctx->pmeth->verify(ctx, sig, siglen, tbs, tbslen);
|
|
}
|
|
|
|
int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx)
|
|
{
|
|
int ret;
|
|
if (!ctx || !ctx->pmeth || !ctx->pmeth->verify_recover) {
|
|
EVPerr(EVP_F_EVP_PKEY_VERIFY_RECOVER_INIT,
|
|
EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
return -2;
|
|
}
|
|
ctx->operation = EVP_PKEY_OP_VERIFYRECOVER;
|
|
if (!ctx->pmeth->verify_recover_init)
|
|
return 1;
|
|
ret = ctx->pmeth->verify_recover_init(ctx);
|
|
if (ret <= 0)
|
|
ctx->operation = EVP_PKEY_OP_UNDEFINED;
|
|
return ret;
|
|
}
|
|
|
|
int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx,
|
|
unsigned char *rout, size_t *routlen,
|
|
const unsigned char *sig, size_t siglen)
|
|
{
|
|
if (!ctx || !ctx->pmeth || !ctx->pmeth->verify_recover) {
|
|
EVPerr(EVP_F_EVP_PKEY_VERIFY_RECOVER,
|
|
EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
return -2;
|
|
}
|
|
if (ctx->operation != EVP_PKEY_OP_VERIFYRECOVER) {
|
|
EVPerr(EVP_F_EVP_PKEY_VERIFY_RECOVER, EVP_R_OPERATON_NOT_INITIALIZED);
|
|
return -1;
|
|
}
|
|
M_check_autoarg(ctx, rout, routlen, EVP_F_EVP_PKEY_VERIFY_RECOVER)
|
|
return ctx->pmeth->verify_recover(ctx, rout, routlen, sig, siglen);
|
|
}
|
|
|
|
int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx)
|
|
{
|
|
int ret;
|
|
if (!ctx || !ctx->pmeth || !ctx->pmeth->encrypt) {
|
|
EVPerr(EVP_F_EVP_PKEY_ENCRYPT_INIT,
|
|
EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
return -2;
|
|
}
|
|
ctx->operation = EVP_PKEY_OP_ENCRYPT;
|
|
if (!ctx->pmeth->encrypt_init)
|
|
return 1;
|
|
ret = ctx->pmeth->encrypt_init(ctx);
|
|
if (ret <= 0)
|
|
ctx->operation = EVP_PKEY_OP_UNDEFINED;
|
|
return ret;
|
|
}
|
|
|
|
int EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx,
|
|
unsigned char *out, size_t *outlen,
|
|
const unsigned char *in, size_t inlen)
|
|
{
|
|
if (!ctx || !ctx->pmeth || !ctx->pmeth->encrypt) {
|
|
EVPerr(EVP_F_EVP_PKEY_ENCRYPT,
|
|
EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
return -2;
|
|
}
|
|
if (ctx->operation != EVP_PKEY_OP_ENCRYPT) {
|
|
EVPerr(EVP_F_EVP_PKEY_ENCRYPT, EVP_R_OPERATON_NOT_INITIALIZED);
|
|
return -1;
|
|
}
|
|
M_check_autoarg(ctx, out, outlen, EVP_F_EVP_PKEY_ENCRYPT)
|
|
return ctx->pmeth->encrypt(ctx, out, outlen, in, inlen);
|
|
}
|
|
|
|
int EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx)
|
|
{
|
|
int ret;
|
|
if (!ctx || !ctx->pmeth || !ctx->pmeth->decrypt) {
|
|
EVPerr(EVP_F_EVP_PKEY_DECRYPT_INIT,
|
|
EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
return -2;
|
|
}
|
|
ctx->operation = EVP_PKEY_OP_DECRYPT;
|
|
if (!ctx->pmeth->decrypt_init)
|
|
return 1;
|
|
ret = ctx->pmeth->decrypt_init(ctx);
|
|
if (ret <= 0)
|
|
ctx->operation = EVP_PKEY_OP_UNDEFINED;
|
|
return ret;
|
|
}
|
|
|
|
int EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx,
|
|
unsigned char *out, size_t *outlen,
|
|
const unsigned char *in, size_t inlen)
|
|
{
|
|
if (!ctx || !ctx->pmeth || !ctx->pmeth->decrypt) {
|
|
EVPerr(EVP_F_EVP_PKEY_DECRYPT,
|
|
EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
return -2;
|
|
}
|
|
if (ctx->operation != EVP_PKEY_OP_DECRYPT) {
|
|
EVPerr(EVP_F_EVP_PKEY_DECRYPT, EVP_R_OPERATON_NOT_INITIALIZED);
|
|
return -1;
|
|
}
|
|
M_check_autoarg(ctx, out, outlen, EVP_F_EVP_PKEY_DECRYPT)
|
|
return ctx->pmeth->decrypt(ctx, out, outlen, in, inlen);
|
|
}
|
|
|
|
int EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx)
|
|
{
|
|
int ret;
|
|
if (!ctx || !ctx->pmeth || !ctx->pmeth->derive) {
|
|
EVPerr(EVP_F_EVP_PKEY_DERIVE_INIT,
|
|
EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
return -2;
|
|
}
|
|
ctx->operation = EVP_PKEY_OP_DERIVE;
|
|
if (!ctx->pmeth->derive_init)
|
|
return 1;
|
|
ret = ctx->pmeth->derive_init(ctx);
|
|
if (ret <= 0)
|
|
ctx->operation = EVP_PKEY_OP_UNDEFINED;
|
|
return ret;
|
|
}
|
|
|
|
int EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer)
|
|
{
|
|
int ret;
|
|
if (!ctx || !ctx->pmeth
|
|
|| !(ctx->pmeth->derive || ctx->pmeth->encrypt || ctx->pmeth->decrypt)
|
|
|| !ctx->pmeth->ctrl) {
|
|
EVPerr(EVP_F_EVP_PKEY_DERIVE_SET_PEER,
|
|
EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
return -2;
|
|
}
|
|
if (ctx->operation != EVP_PKEY_OP_DERIVE
|
|
&& ctx->operation != EVP_PKEY_OP_ENCRYPT
|
|
&& ctx->operation != EVP_PKEY_OP_DECRYPT) {
|
|
EVPerr(EVP_F_EVP_PKEY_DERIVE_SET_PEER,
|
|
EVP_R_OPERATON_NOT_INITIALIZED);
|
|
return -1;
|
|
}
|
|
|
|
ret = ctx->pmeth->ctrl(ctx, EVP_PKEY_CTRL_PEER_KEY, 0, peer);
|
|
|
|
if (ret <= 0)
|
|
return ret;
|
|
|
|
if (ret == 2)
|
|
return 1;
|
|
|
|
if (!ctx->pkey) {
|
|
EVPerr(EVP_F_EVP_PKEY_DERIVE_SET_PEER, EVP_R_NO_KEY_SET);
|
|
return -1;
|
|
}
|
|
|
|
if (ctx->pkey->type != peer->type) {
|
|
EVPerr(EVP_F_EVP_PKEY_DERIVE_SET_PEER, EVP_R_DIFFERENT_KEY_TYPES);
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* For clarity. The error is if parameters in peer are
|
|
* present (!missing) but don't match. EVP_PKEY_cmp_parameters may return
|
|
* 1 (match), 0 (don't match) and -2 (comparison is not defined). -1
|
|
* (different key types) is impossible here because it is checked earlier.
|
|
* -2 is OK for us here, as well as 1, so we can check for 0 only.
|
|
*/
|
|
if (!EVP_PKEY_missing_parameters(peer) &&
|
|
!EVP_PKEY_cmp_parameters(ctx->pkey, peer)) {
|
|
EVPerr(EVP_F_EVP_PKEY_DERIVE_SET_PEER, EVP_R_DIFFERENT_PARAMETERS);
|
|
return -1;
|
|
}
|
|
|
|
EVP_PKEY_free(ctx->peerkey);
|
|
ctx->peerkey = peer;
|
|
|
|
ret = ctx->pmeth->ctrl(ctx, EVP_PKEY_CTRL_PEER_KEY, 1, peer);
|
|
|
|
if (ret <= 0) {
|
|
ctx->peerkey = NULL;
|
|
return ret;
|
|
}
|
|
|
|
EVP_PKEY_up_ref(peer);
|
|
return 1;
|
|
}
|
|
|
|
int EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *pkeylen)
|
|
{
|
|
if (!ctx || !ctx->pmeth || !ctx->pmeth->derive) {
|
|
EVPerr(EVP_F_EVP_PKEY_DERIVE,
|
|
EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
|
|
return -2;
|
|
}
|
|
if (ctx->operation != EVP_PKEY_OP_DERIVE) {
|
|
EVPerr(EVP_F_EVP_PKEY_DERIVE, EVP_R_OPERATON_NOT_INITIALIZED);
|
|
return -1;
|
|
}
|
|
M_check_autoarg(ctx, key, pkeylen, EVP_F_EVP_PKEY_DERIVE)
|
|
return ctx->pmeth->derive(ctx, key, pkeylen);
|
|
}
|