| /* LibTomCrypt, modular cryptographic library -- Tom St Denis |
| * |
| * LibTomCrypt is a library that provides various cryptographic |
| * algorithms in a highly modular and flexible manner. |
| * |
| * The library is free for all purposes without any express |
| * guarantee it works. |
| * |
| * Tom St Denis, tomstdenis@iahu.ca, http://libtomcrypt.org |
| */ |
| |
| /* Future releases will make use of this */ |
| #include "mycrypt.h" |
| |
| static const char *err_2_str[] = |
| { |
| "CRYPT_OK", |
| "CRYPT_ERROR", |
| "Non-fatal 'no-operation' requested.", |
| |
| "Invalid keysize for block cipher.", |
| "Invalid number of rounds for block cipher.", |
| "Algorithm failed test vectors.", |
| |
| "Buffer overflow.", |
| "Invalid input packet.", |
| |
| "Invalid number of bits for a PRNG.", |
| "Error reading the PRNG.", |
| |
| "Invalid cipher specified.", |
| "Invalid hash specified.", |
| "Invalid PRNG specified.", |
| |
| "Out of memory.", |
| |
| "Invalid PK key or key type specified for function.", |
| "A private PK key is required.", |
| |
| "Invalid argument provided.", |
| "File Not Found", |
| |
| "Invalid PK type.", |
| "Invalid PK system.", |
| "Duplicate PK key found on keyring.", |
| "Key not found in keyring.", |
| "Invalid sized parameter.", |
| |
| "Invalid size for prime.", |
| |
| }; |
| |
| #ifdef MPI |
| static const struct { |
| int mpi_code, ltc_code; |
| } mpi_to_ltc_codes[] = { |
| { MP_OKAY , CRYPT_OK}, |
| { MP_MEM , CRYPT_MEM}, |
| { MP_VAL , CRYPT_INVALID_ARG}, |
| }; |
| #endif |
| |
| const char *error_to_string(int err) |
| { |
| if (err < 0 || err >= (int)(sizeof(err_2_str)/sizeof(err_2_str[0]))) { |
| return "Invalid error code."; |
| } else { |
| return err_2_str[err]; |
| } |
| } |
| |
| #ifdef MPI |
| /* convert a MPI error to a LTC error (Possibly the most powerful function ever! Oh wait... no) */ |
| int mpi_to_ltc_error(int err) |
| { |
| int x; |
| |
| for (x = 0; x < (int)(sizeof(mpi_to_ltc_codes)/sizeof(mpi_to_ltc_codes[0])); x++) { |
| if (err == mpi_to_ltc_codes[x].mpi_code) { |
| return mpi_to_ltc_codes[x].ltc_code; |
| } |
| } |
| return CRYPT_ERROR; |
| } |
| #endif |
| |