diff options
| -rw-r--r-- | src/lib/ffi/ffi.cpp | 88 | ||||
| -rw-r--r-- | src/lib/ffi/ffi.h | 16 |
2 files changed, 104 insertions, 0 deletions
diff --git a/src/lib/ffi/ffi.cpp b/src/lib/ffi/ffi.cpp index 46755ff54..91cebf333 100644 --- a/src/lib/ffi/ffi.cpp +++ b/src/lib/ffi/ffi.cpp @@ -61,6 +61,10 @@ #include <botan/curve25519.h> #endif +#if defined(BOTAN_HAS_ED25519) + #include <botan/ed25519.h> +#endif + #if defined(BOTAN_HAS_MCELIECE) #include <botan/mceliece.h> #endif @@ -1601,6 +1605,90 @@ int botan_privkey_load_elgamal(botan_privkey_t* key, #endif } +int botan_privkey_load_ed25519(botan_privkey_t* key, + const uint8_t privkey[32]) + { +#if defined(BOTAN_HAS_ED25519) + *key = nullptr; + try + { + const Botan::secure_vector<uint8_t> privkey_vec(privkey, privkey + 64); + *key = new botan_privkey_struct(new Botan::Ed25519_PrivateKey(privkey_vec)); + return 0; + } + catch(std::exception& exn) + { + log_exception(BOTAN_CURRENT_FUNCTION, exn.what()); + } + + return -1; +#else + BOTAN_UNUSED(key, pubkey); + return BOTAN_FFI_ERROR_NOT_IMPLEMENTED; +#endif + } + +int botan_pubkey_load_ed25519(botan_pubkey_t* key, + const uint8_t pubkey[32]) + { +#if defined(BOTAN_HAS_ED25519) + *key = nullptr; + try + { + const std::vector<uint8_t> pubkey_vec(pubkey, pubkey + 32); + *key = new botan_pubkey_struct(new Botan::Ed25519_PublicKey(pubkey_vec)); + return 0; + } + catch(std::exception& exn) + { + log_exception(BOTAN_CURRENT_FUNCTION, exn.what()); + } + + return -1; +#else + BOTAN_UNUSED(key, pubkey); + return BOTAN_FFI_ERROR_NOT_IMPLEMENTED; +#endif + } + +int botan_privkey_ed25519_get_privkey(botan_privkey_t key, + uint8_t output[64]) + { + return BOTAN_FFI_DO(Botan::Private_Key, key, k, { + if(Botan::Ed25519_PrivateKey* ed = dynamic_cast<Botan::Ed25519_PrivateKey*>(&k)) + { + const Botan::secure_vector<uint8_t>& key = ed->get_private_key(); + if(key.size() != 64) + return BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE; + Botan::copy_mem(output, key.data(), key.size()); + return 0; + } + else + { + return -1; + } + }); + } + +int botan_pubkey_ed25519_get_pubkey(botan_pubkey_t key, + uint8_t output[32]) + { + return BOTAN_FFI_DO(Botan::Public_Key, key, k, { + if(Botan::Ed25519_PublicKey* ed = dynamic_cast<Botan::Ed25519_PublicKey*>(&k)) + { + const std::vector<uint8_t>& key = ed->get_public_key(); + if(key.size() != 32) + return BOTAN_FFI_ERROR_INSUFFICIENT_BUFFER_SPACE; + Botan::copy_mem(output, key.data(), key.size()); + return 0; + } + else + { + return -1; + } + }); + } + int botan_pubkey_get_field(botan_mp_t output, botan_pubkey_t key, const char* field_name_cstr) diff --git a/src/lib/ffi/ffi.h b/src/lib/ffi/ffi.h index d194c4794..205a80998 100644 --- a/src/lib/ffi/ffi.h +++ b/src/lib/ffi/ffi.h @@ -846,6 +846,22 @@ BOTAN_DLL int botan_privkey_load_elgamal(botan_privkey_t* key, botan_mp_t x); /* +* Algorithm specific key operations: Ed25519 +*/ + +BOTAN_DLL int botan_privkey_load_ed25519(botan_privkey_t* key, + const uint8_t privkey[32]); + +BOTAN_DLL int botan_pubkey_load_ed25519(botan_pubkey_t* key, + const uint8_t pubkey[32]); + +BOTAN_DLL int botan_privkey_ed25519_get_privkey(botan_privkey_t key, + uint8_t output[64]); + +BOTAN_DLL int botan_pubkey_ed25519_get_pubkey(botan_pubkey_t key, + uint8_t pubkey[32]); + +/* * Public Key Encryption */ typedef struct botan_pk_op_encrypt_struct* botan_pk_op_encrypt_t; |