diff options
Diffstat (limited to 'src/lib/pubkey/pk_ops.cpp')
| -rw-r--r-- | src/lib/pubkey/pk_ops.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/lib/pubkey/pk_ops.cpp b/src/lib/pubkey/pk_ops.cpp index bc421eb90..81b087894 100644 --- a/src/lib/pubkey/pk_ops.cpp +++ b/src/lib/pubkey/pk_ops.cpp @@ -129,4 +129,47 @@ bool PK_Ops::Verification_with_EMSA::is_valid_signature(const byte sig[], size_t } } +void PK_Ops::KEM_Encryption_with_KDF::kem_encrypt(secure_vector<byte>& out_encapsulated_key, + secure_vector<byte>& out_shared_key, + size_t desired_shared_key_len, + Botan::RandomNumberGenerator& rng, + const uint8_t salt[], + size_t salt_len) + { + secure_vector<byte> raw_shared; + this->raw_kem_encrypt(out_encapsulated_key, raw_shared, rng); + + out_shared_key = m_kdf->derive_key(desired_shared_key_len, + raw_shared.data(), raw_shared.size(), + salt, salt_len); + } + +PK_Ops::KEM_Encryption_with_KDF::KEM_Encryption_with_KDF(const std::string& kdf) + { + m_kdf.reset(get_kdf(kdf)); + } + +PK_Ops::KEM_Encryption_with_KDF::~KEM_Encryption_with_KDF() {} + +secure_vector<byte> +PK_Ops::KEM_Decryption_with_KDF::kem_decrypt(const byte encap_key[], + size_t len, + size_t desired_shared_key_len, + const uint8_t salt[], + size_t salt_len) + { + secure_vector<byte> raw_shared = this->raw_kem_decrypt(encap_key, len); + + return m_kdf->derive_key(desired_shared_key_len, + raw_shared.data(), raw_shared.size(), + salt, salt_len); + } + +PK_Ops::KEM_Decryption_with_KDF::KEM_Decryption_with_KDF(const std::string& kdf) + { + m_kdf.reset(get_kdf(kdf)); + } + +PK_Ops::KEM_Decryption_with_KDF::~KEM_Decryption_with_KDF() {} + } |