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adding aes exception

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This commit is contained in:
Daniel Larimer 2014-07-29 13:54:50 -04:00
parent a254e5ff28
commit 3ccbe26dd5
3 changed files with 23 additions and 19 deletions
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4
include/fc/exception/exception.hpp
View file

@ -32,7 +32,8 @@ namespace fc
invalid_operation_exception_code = 14,
unknown_host_exception_code = 15,
null_optional_code = 16,
udt_error_code = 17
udt_error_code = 17,
aes_error_code = 18
};
/**
@ -283,6 +284,7 @@ namespace fc
FC_DECLARE_EXCEPTION( eof_exception, eof_exception_code, "End Of File" );
FC_DECLARE_EXCEPTION( null_optional, null_optional_code, "null optional" );
FC_DECLARE_EXCEPTION( udt_exception, udt_error_code, "UDT error" );
FC_DECLARE_EXCEPTION( aes_exception, aes_error_code, "AES error" );
std::string except_str();

36
src/crypto/aes.cpp
View file

@ -42,7 +42,7 @@ void aes_encoder::init( const fc::sha256& key, const fc::uint128& init_value )
/* Create and initialise the context */
if(!my->ctx)
{
FC_THROW_EXCEPTION( exception, "error allocating evp cipher context",
FC_THROW_EXCEPTION( aes_exception, "error allocating evp cipher context",
("s", ERR_error_string( ERR_get_error(), nullptr) ) );
}
@ -53,7 +53,7 @@ void aes_encoder::init( const fc::sha256& key, const fc::uint128& init_value )
* is 128 bits */
if(1 != EVP_EncryptInit_ex(my->ctx, EVP_aes_256_cbc(), NULL, (unsigned char*)&key, (unsigned char*)&init_value))
{
FC_THROW_EXCEPTION( exception, "error during aes 256 cbc encryption init",
FC_THROW_EXCEPTION( aes_exception, "error during aes 256 cbc encryption init",
("s", ERR_error_string( ERR_get_error(), nullptr) ) );
}
EVP_CIPHER_CTX_set_padding( my->ctx, 0 );
@ -67,7 +67,7 @@ uint32_t aes_encoder::encode( const char* plaintxt, uint32_t plaintext_len, char
* */
if(1 != EVP_EncryptUpdate(my->ctx, (unsigned char*)ciphertxt, &ciphertext_len, (const unsigned char*)plaintxt, plaintext_len))
{
FC_THROW_EXCEPTION( exception, "error during aes 256 cbc encryption update",
FC_THROW_EXCEPTION( aes_exception, "error during aes 256 cbc encryption update",
("s", ERR_error_string( ERR_get_error(), nullptr) ) );
}
FC_ASSERT( ciphertext_len == plaintext_len, "", ("ciphertext_len",ciphertext_len)("plaintext_len",plaintext_len) );
@ -106,7 +106,7 @@ void aes_decoder::init( const fc::sha256& key, const fc::uint128& init_value )
/* Create and initialise the context */
if(!my->ctx)
{
FC_THROW_EXCEPTION( exception, "error allocating evp cipher context",
FC_THROW_EXCEPTION( aes_exception, "error allocating evp cipher context",
("s", ERR_error_string( ERR_get_error(), nullptr) ) );
}
@ -117,7 +117,7 @@ void aes_decoder::init( const fc::sha256& key, const fc::uint128& init_value )
* is 128 bits */
if(1 != EVP_DecryptInit_ex(my->ctx, EVP_aes_256_cbc(), NULL, (unsigned char*)&key, (unsigned char*)&init_value))
{
FC_THROW_EXCEPTION( exception, "error during aes 256 cbc encryption init",
FC_THROW_EXCEPTION( aes_exception, "error during aes 256 cbc encryption init",
("s", ERR_error_string( ERR_get_error(), nullptr) ) );
}
EVP_CIPHER_CTX_set_padding( my->ctx, 0 );
@ -134,7 +134,7 @@ uint32_t aes_decoder::decode( const char* ciphertxt, uint32_t ciphertxt_len, cha
* */
if (1 != EVP_DecryptUpdate(my->ctx, (unsigned char*)plaintext, &plaintext_len, (const unsigned char*)ciphertxt, ciphertxt_len))
{
FC_THROW_EXCEPTION( exception, "error during aes 256 cbc decryption update",
FC_THROW_EXCEPTION( aes_exception, "error during aes 256 cbc decryption update",
("s", ERR_error_string( ERR_get_error(), nullptr) ) );
}
FC_ASSERT( ciphertxt_len == plaintext_len, "", ("ciphertxt_len",ciphertxt_len)("plaintext_len",plaintext_len) );
@ -180,7 +180,7 @@ unsigned aes_encrypt(unsigned char *plaintext, int plaintext_len, unsigned char
/* Create and initialise the context */
if(!ctx)
{
FC_THROW_EXCEPTION( exception, "error allocating evp cipher context",
FC_THROW_EXCEPTION( aes_exception, "error allocating evp cipher context",
("s", ERR_error_string( ERR_get_error(), nullptr) ) );
}
@ -191,7 +191,7 @@ unsigned aes_encrypt(unsigned char *plaintext, int plaintext_len, unsigned char
* is 128 bits */
if(1 != EVP_EncryptInit_ex(ctx, EVP_aes_256_cbc(), NULL, key, iv))
{
FC_THROW_EXCEPTION( exception, "error during aes 256 cbc encryption init",
FC_THROW_EXCEPTION( aes_exception, "error during aes 256 cbc encryption init",
("s", ERR_error_string( ERR_get_error(), nullptr) ) );
}
@ -200,7 +200,7 @@ unsigned aes_encrypt(unsigned char *plaintext, int plaintext_len, unsigned char
* */
if(1 != EVP_EncryptUpdate(ctx, ciphertext, &len, plaintext, plaintext_len))
{
FC_THROW_EXCEPTION( exception, "error during aes 256 cbc encryption update",
FC_THROW_EXCEPTION( aes_exception, "error during aes 256 cbc encryption update",
("s", ERR_error_string( ERR_get_error(), nullptr) ) );
}
ciphertext_len = len;
@ -210,7 +210,7 @@ unsigned aes_encrypt(unsigned char *plaintext, int plaintext_len, unsigned char
* */
if(1 != EVP_EncryptFinal_ex(ctx, ciphertext + len, &len))
{
FC_THROW_EXCEPTION( exception, "error during aes 256 cbc encryption final",
FC_THROW_EXCEPTION( aes_exception, "error during aes 256 cbc encryption final",
("s", ERR_error_string( ERR_get_error(), nullptr) ) );
}
ciphertext_len += len;
@ -228,7 +228,7 @@ unsigned aes_decrypt(unsigned char *ciphertext, int ciphertext_len, unsigned cha
/* Create and initialise the context */
if(!ctx)
{
FC_THROW_EXCEPTION( exception, "error allocating evp cipher context",
FC_THROW_EXCEPTION( aes_exception, "error allocating evp cipher context",
("s", ERR_error_string( ERR_get_error(), nullptr) ) );
}
@ -239,7 +239,7 @@ unsigned aes_decrypt(unsigned char *ciphertext, int ciphertext_len, unsigned cha
* * is 128 bits */
if(1 != EVP_DecryptInit_ex(ctx, EVP_aes_256_cbc(), NULL, key, iv))
{
FC_THROW_EXCEPTION( exception, "error during aes 256 cbc decrypt init",
FC_THROW_EXCEPTION( aes_exception, "error during aes 256 cbc decrypt init",
("s", ERR_error_string( ERR_get_error(), nullptr) ) );
}
@ -248,7 +248,7 @@ unsigned aes_decrypt(unsigned char *ciphertext, int ciphertext_len, unsigned cha
* */
if(1 != EVP_DecryptUpdate(ctx, plaintext, &len, ciphertext, ciphertext_len))
{
FC_THROW_EXCEPTION( exception, "error during aes 256 cbc decrypt update",
FC_THROW_EXCEPTION( aes_exception, "error during aes 256 cbc decrypt update",
("s", ERR_error_string( ERR_get_error(), nullptr) ) );
}
@ -259,7 +259,7 @@ unsigned aes_decrypt(unsigned char *ciphertext, int ciphertext_len, unsigned cha
* */
if(1 != EVP_DecryptFinal_ex(ctx, plaintext + len, &len))
{
FC_THROW_EXCEPTION( exception, "error during aes 256 cbc decrypt final",
FC_THROW_EXCEPTION( aes_exception, "error during aes 256 cbc decrypt final",
("s", ERR_error_string( ERR_get_error(), nullptr) ) );
}
plaintext_len += len;
@ -277,7 +277,7 @@ unsigned aes_cfb_decrypt(unsigned char *ciphertext, int ciphertext_len, unsigned
/* Create and initialise the context */
if(!ctx)
{
FC_THROW_EXCEPTION( exception, "error allocating evp cipher context",
FC_THROW_EXCEPTION( aes_exception, "error allocating evp cipher context",
("s", ERR_error_string( ERR_get_error(), nullptr) ) );
}
@ -288,7 +288,7 @@ unsigned aes_cfb_decrypt(unsigned char *ciphertext, int ciphertext_len, unsigned
* * is 128 bits */
if(1 != EVP_DecryptInit_ex(ctx, EVP_aes_256_cfb128(), NULL, key, iv))
{
FC_THROW_EXCEPTION( exception, "error during aes 256 cbc decrypt init",
FC_THROW_EXCEPTION( aes_exception, "error during aes 256 cbc decrypt init",
("s", ERR_error_string( ERR_get_error(), nullptr) ) );
}
@ -297,7 +297,7 @@ unsigned aes_cfb_decrypt(unsigned char *ciphertext, int ciphertext_len, unsigned
* */
if(1 != EVP_DecryptUpdate(ctx, plaintext, &len, ciphertext, ciphertext_len))
{
FC_THROW_EXCEPTION( exception, "error during aes 256 cbc decrypt update",
FC_THROW_EXCEPTION( aes_exception, "error during aes 256 cbc decrypt update",
("s", ERR_error_string( ERR_get_error(), nullptr) ) );
}
@ -308,7 +308,7 @@ unsigned aes_cfb_decrypt(unsigned char *ciphertext, int ciphertext_len, unsigned
* */
if(1 != EVP_DecryptFinal_ex(ctx, plaintext + len, &len))
{
FC_THROW_EXCEPTION( exception, "error during aes 256 cbc decrypt final",
FC_THROW_EXCEPTION( aes_exception, "error during aes 256 cbc decrypt final",
("s", ERR_error_string( ERR_get_error(), nullptr) ) );
}
plaintext_len += len;

2
src/exception.cpp
View file

@ -19,6 +19,8 @@ namespace fc
(eof_exception)
(unknown_host_exception)
(null_optional)
(udt_exception)
(aes_exception)
)
namespace detail