diff options
Diffstat (limited to 'roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/evp/p_open.c')
-rw-r--r-- | roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/evp/p_open.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/evp/p_open.c b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/evp/p_open.c new file mode 100644 index 000000000..1ce87454b --- /dev/null +++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/evp/p_open.c @@ -0,0 +1,73 @@ +/* + * Copyright 1995-2019 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 "internal/cryptlib.h" +#ifdef OPENSSL_NO_RSA +NON_EMPTY_TRANSLATION_UNIT +#else + +# include <stdio.h> +# include <openssl/evp.h> +# include <openssl/objects.h> +# include <openssl/x509.h> +# include <openssl/rsa.h> + +int EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type, + const unsigned char *ek, int ekl, const unsigned char *iv, + EVP_PKEY *priv) +{ + unsigned char *key = NULL; + int i, size = 0, ret = 0; + + if (type) { + EVP_CIPHER_CTX_reset(ctx); + if (!EVP_DecryptInit_ex(ctx, type, NULL, NULL, NULL)) + return 0; + } + + if (!priv) + return 1; + + if (EVP_PKEY_id(priv) != EVP_PKEY_RSA) { + EVPerr(EVP_F_EVP_OPENINIT, EVP_R_PUBLIC_KEY_NOT_RSA); + goto err; + } + + size = EVP_PKEY_size(priv); + key = OPENSSL_malloc(size); + if (key == NULL) { + /* ERROR */ + EVPerr(EVP_F_EVP_OPENINIT, ERR_R_MALLOC_FAILURE); + goto err; + } + + i = EVP_PKEY_decrypt_old(key, ek, ekl, priv); + if ((i <= 0) || !EVP_CIPHER_CTX_set_key_length(ctx, i)) { + /* ERROR */ + goto err; + } + if (!EVP_DecryptInit_ex(ctx, NULL, NULL, key, iv)) + goto err; + + ret = 1; + err: + OPENSSL_clear_free(key, size); + return ret; +} + +int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl) +{ + int i; + + i = EVP_DecryptFinal_ex(ctx, out, outl); + if (i) + i = EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, NULL); + return i; +} +#endif |