R Interface to the 'OpenFHE' Fully Homomorphic Encryption Library


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Documentation for package ‘openfhe.R’ version 1.5.1

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openfhe.R-package openfhe.R: R Interface to the 'OpenFHE' Fully Homomorphic Encryption Library

-- B --

BFVParams BFV Parameters
BGVParams BGV Parameters
BinFHEMethod Binary FHE Methods
BinFHEOutput Binary FHE Output Types
BinFHEParamSet Binary FHE Parameter Sets
BinGate Binary Gate Types
bin_bt_key_gen Generate BinFHE bootstrapping keys
bin_decrypt Decrypt a Binary FHE ciphertext
bin_encrypt Encrypt a value for Binary FHE
bin_fhe_context Create a Binary FHE context
bin_key_gen Generate BinFHE secret key

-- C --

ccparams_getters CCParams getters (all schemes)
Ciphertext Ciphertext class
CKKSDataType CKKS Data Type
CKKSParams CKKS Parameters
ckks_scaling_factor_bits CKKS scaling-mod-size in bits
clear_eval_automorphism_keys Clear the EvalAutomorphism key cache
clear_eval_mult_keys Clear the EvalMult key cache
clear_fhe_state Clear cached evaluation keys and contexts
clear_static_maps_and_vectors Clear OpenFHE static maps and vectors
compress Compress a ciphertext to fewer towers
CompressionLevel Compression Level (interactive multi-party bootstrap)
CryptoContext Crypto Context
CryptoParameters Crypto Parameters (opaque)

-- D --

decrypt Decrypt a ciphertext
DecryptionNoiseMode Decryption Noise Mode
deserialize_eval_keys Deserialize evaluation keys from file
DistributionType Distribution Type (lattice parameters)

-- E --

ElementParams Element Parameters (opaque)
enable_feature Enable a feature on a CryptoContext
EncodingParams Encoding Parameters (opaque)
encrypt Encrypt a plaintext
EncryptionTechnique Encryption Technique
EvalKey EvalKey class for multi-party key operations
EvalKeyMap Map of homomorphic evaluation keys
eval_add Homomorphic addition
eval_add_in_place Homomorphic addition in place
eval_add_mutable Homomorphic add, mutable variant
eval_at_index_key_gen Generate at-index (rotation) keys for a secret key
eval_automorphism Apply an automorphism to a ciphertext
eval_automorphism_key_gen Generate automorphism evaluation keys for a set of indices
eval_bin_gate Evaluate a binary gate on encrypted values
eval_bootstrap Perform CKKS bootstrapping
eval_bootstrap_key_gen Generate bootstrapping keys
eval_bootstrap_setup Set up CKKS bootstrapping
eval_chebyshev Evaluate a Chebyshev series on a ciphertext
eval_chebyshev_coefficients Chebyshev coefficients for a real-valued function
eval_chebyshev_function Evaluate a user-supplied function on a CKKS ciphertext via Chebyshev approximation
eval_chebyshev_linear Evaluate a Chebyshev series via the linear evaluator
eval_chebyshev_ps Evaluate a Chebyshev series via the Paterson-Stockmeyer method
eval_cos Evaluate cosine on a ciphertext
eval_divide Evaluate division approximation on a ciphertext
eval_fast_rotation Hoisted slot rotation using precomputed digits
eval_fast_rotation_ext Extended hoisted slot rotation
eval_fast_rotation_precompute Precompute digit decomposition for hoisted fast rotations
eval_floor Evaluate a floor (rounding) function on an LWE ciphertext
eval_func Evaluate an arbitrary function on an encrypted value
eval_logistic Evaluate logistic function on a ciphertext
eval_mult Homomorphic multiplication
eval_mult_and_relinearize Fused multiply-and-relinearize
eval_mult_in_place Homomorphic multiplication in place
eval_mult_key_gen Generate relinearization (eval-mult) keys for a secret key
eval_mult_mutable Homomorphic multiply, mutable variant
eval_mult_no_relin Homomorphic multiplication without relinearization
eval_negate Homomorphic negation
eval_negate_in_place Homomorphic negation in place
eval_not Evaluate NOT on an encrypted value
eval_poly Evaluate a polynomial on a ciphertext
eval_poly_linear Evaluate a polynomial via the linear evaluator
eval_poly_ps Evaluate a polynomial via the Paterson-Stockmeyer method
eval_rotate Rotate ciphertext slots
eval_rotate_key_gen Generate rotation keys for a secret key
eval_sign Evaluate sign on an encrypted value (functional bootstrapping)
eval_sin Evaluate sine on a ciphertext (Chebyshev approximation)
eval_square Homomorphic squaring
eval_square_mutable Homomorphic square, mutable variant
eval_sub Homomorphic subtraction
eval_sub_in_place Homomorphic subtraction in place
eval_sub_mutable Homomorphic subtract, mutable variant
eval_sum Sum all slots in a ciphertext
eval_sum_key_gen Generate sum keys for a secret key
ExecutionMode Execution Mode

-- F --

FastRotationPrecomputation Precomputed digit decomposition for hoisted rotations
Feature PKE Scheme Features (bitmask)
fhe_ckks_tolerance Per-test CKKS precision tolerance
fhe_context Create a fully homomorphic encryption context
fhe_deserialize Deserialize an OpenFHE object from file
fhe_serialize Serialize an OpenFHE object to file
find_automorphism_index Compute the automorphism index for a single slot index
find_automorphism_indices Compute the automorphism indices for a list of slot indices

-- G --

generate_lut_via_function Generate a lookup table for an arbitrary plaintext function
get_all_eval_automorphism_keys Retrieve all registered EvalAutomorphism key maps
get_all_eval_mult_keys Retrieve all registered EvalMult key vectors
get_all_eval_sum_keys Retrieve all registered EvalSum key maps
get_batch_size CCParams getters (all schemes)
get_bootstrap_depth Get the required multiplicative depth for CKKS bootstrapping
get_ckks_boot_correction_factor Get the CKKS bootstrap correction factor
get_ckks_data_type CCParams getters (all schemes)
get_coef_packed_value Plaintext accessors
get_complex_packed_value Get complex values from a CKKS plaintext
get_composite_degree CCParams getters (all schemes)
get_crypto_context Associated CryptoContext of a Ciphertext
get_crypto_parameters Crypto parameters of a CryptoContext
get_cyclotomic_order Cyclotomic order of a CryptoContext
get_decryption_noise_mode CCParams getters (all schemes)
get_desired_precision CCParams getters (all schemes)
get_digit_size CCParams getters (all schemes)
get_element_params Element parameters of a CryptoContext
get_element_ring_dimension Plaintext accessors
get_encoding_params Encoding parameters of a CryptoContext
get_encoding_type Plaintext accessors
get_encryption_technique CCParams getters (all schemes)
get_eval_add_count CCParams getters (all schemes)
get_eval_automorphism_key_map Retrieve the automorphism-key map for a given key tag
get_eval_mult_key_vector Retrieve the EvalMult key vector for a given key tag
get_eval_sum_key_map Retrieve the sum-key map for a given key tag
get_execution_mode CCParams getters (all schemes)
get_first_mod_size CCParams getters (all schemes)
get_formatted_values Plaintext accessors
get_interactive_boot_compression_level CCParams getters (all schemes)
get_key_gen_level Key-generation level of a CryptoContext
get_key_switch_count CCParams getters (all schemes)
get_key_switch_technique CCParams getters (all schemes)
get_key_tag Key tag accessors
get_length Plaintext accessors
get_level Plaintext accessors
get_log_error Plaintext accessors
get_log_precision Plaintext accessors
get_max_plaintext_space Maximum supported plaintext space for functional bootstrapping
get_max_relin_sk_deg CCParams getters (all schemes)
get_multiparty_mode CCParams getters (all schemes)
get_multiplication_technique CCParams getters (all schemes)
get_multiplicative_depth CCParams getters (all schemes)
get_native_int Get the native integer size of the OpenFHE build
get_noise_estimate CCParams getters (all schemes)
get_noise_scale_deg Plaintext accessors
get_num_adversarial_queries CCParams getters (all schemes)
get_num_large_digits CCParams getters (all schemes)
get_num_threads Report the number of OpenMP threads available to OpenFHE
get_packed_value Get packed integer values from a plaintext
get_plaintext_modulus CCParams getters (all schemes)
get_pre_mode CCParams getters (all schemes)
get_pre_num_hops CCParams getters (all schemes)
get_real_packed_value Get real values from a CKKS plaintext
get_register_word_size CCParams getters (all schemes)
get_ring_dim CCParams getters (all schemes)
get_scaling_factor Plaintext accessors
get_scaling_factor_int Plaintext accessors
get_scaling_factor_real Real-valued CKKS scaling factor at a modulus-chain level
get_scaling_mod_size CCParams getters (all schemes)
get_scaling_technique CCParams getters (all schemes)
get_scheme CCParams getters (all schemes)
get_scheme_id Plaintext accessors
get_secret_key_dist CCParams getters (all schemes)
get_security_level CCParams getters (all schemes)
get_slots Plaintext accessors
get_standard_deviation CCParams getters (all schemes)
get_statistical_security CCParams getters (all schemes)
get_string_value Plaintext accessors
get_threshold_num_of_parties CCParams getters (all schemes)

-- H --

high_bound Plaintext accessors

-- I --

insert_eval_automorphism_key Insert a joined automorphism-key map into the cc registry
insert_eval_mult_key Insert an EvalMult key vector into the cc registry
insert_eval_sum_key Insert a joined sum-key map into the cc registry
int_boot_add Combine encrypted and unencrypted masked decryptions
int_boot_adjust_scale Prepare a ciphertext for interactive bootstrap
int_boot_decrypt Server-side masked decryption for interactive bootstrap
int_boot_encrypt Client-side re-encryption for interactive bootstrap
int_mp_boot_add Aggregate multi-party shares pairs
int_mp_boot_adjust_scale Prepare a ciphertext for multi-party interactive bootstrap
int_mp_boot_decrypt Multi-party masked decryption for interactive bootstrap
int_mp_boot_encrypt Final re-encryption for multi-party interactive bootstrap
int_mp_boot_random_element_gen Generate a common random element for multi-party bootstrap
is_encoded Plaintext accessors
is_good Is a KeyPair valid?

-- K --

KeygenMode Key Generation Mode
KeyPair Key Pair
KeySwitchTechnique Key Switching Techniques
key_gen Generate key pair
key_switch_down Scale a ciphertext down from extended CRT basis to Q
key_tag Key tag accessors

-- L --

level_reduce Reduce the modulus chain by multiple levels
level_reduce_in_place Reduce the modulus chain by multiple levels, in place
low_bound Plaintext accessors
LWECiphertext LWE Ciphertext (Binary FHE)
LWEPrivateKey LWE Private Key (Binary FHE)

-- M --

make_ckks_packed_plaintext Make a CKKS packed plaintext from real numbers
make_coef_packed_plaintext Make a coefficient-packed integer plaintext
make_packed_plaintext Make a packed integer plaintext
mod_reduce Reduce the modulus chain by one level
mod_reduce_in_place Reduce the modulus chain by one level, in place
MultipartyMode Multiparty Mode
multiparty_decrypt_fusion Fuse partial decryptions into final plaintext
multiparty_decrypt_lead Lead party's partial decryption
multiparty_decrypt_main Non-lead party's partial decryption
multiparty_key_gen Generate a key pair for a secondary party in threshold FHE
MultiplicationTechnique Multiplication Technique (BFV)
multi_add_eval_automorphism_keys Combine two automorphism-key map shares
multi_add_eval_keys Combine evaluation keys from multiple parties
multi_add_eval_mult_keys Combine partial eval-mult keys from multiple parties
multi_add_eval_sum_keys Combine two sum-key map shares into a joint sum-key map
multi_add_pub_keys Combine public keys from multiple parties
multi_eval_at_index_key_gen Generate a joint rotation-at-index key share
multi_eval_automorphism_key_gen Generate a joint automorphism-key share for multi-party rotation
multi_eval_sum_key_gen Generate a joint sum-key share for multi-party EvalSum
multi_key_switch_gen Multi-party key-switch eval-key generation

-- O --

openfhe.R openfhe.R: R Interface to the 'OpenFHE' Fully Homomorphic Encryption Library
OpenFHEObject Base class for OpenFHE objects

-- P --

Plaintext Plaintext
PlaintextEncodings Plaintext Encoding Types
plaintext_accessors Plaintext accessors
plaintext_params_hash Deterministic hash of a plaintext's identifying parameters
PREMode Proxy Re-encryption Mode
PrivateKey Private Key
PublicKey Public Key

-- R --

recover_shared_key Recover a secret key from distributed shares
relinearize Relinearize a higher-degree ciphertext
rescale Rescale a CKKS ciphertext (alias for ModReduce)
ring_dimension Ring dimension of a CryptoContext

-- S --

ScalingTechnique Scaling Techniques (CKKS)
SchemeId Scheme Identifier
SecretKeyDist Secret Key Distribution
SecretShareMap Map of secret-key shares for threshold-FHE abort recovery
SecurityLevel Security Levels
serialize_eval_keys Serialize evaluation keys to file
set_ckks_boot_correction_factor Set the CKKS bootstrap correction factor
set_ckks_data_type Plaintext accessors
set_int_vector_value Plaintext accessors
set_key_gen_level Set the key-generation level of a CryptoContext
set_key_tag Key tag accessors
set_length Set the effective length of a plaintext
set_level Plaintext accessors
set_noise_scale_deg Plaintext accessors
set_num_threads Set the number of OpenMP threads OpenFHE may use
set_scaling_factor Plaintext accessors
set_scaling_factor_int Plaintext accessors
set_slots Plaintext accessors
set_string_value Plaintext accessors
share_keys Distribute a secret key into shares

-- T --

threshold_decrypt Threshold decryption convenience: lead + main + fusion in one call

-- W --

with_fhe_context Execute code with automatic cleanup of FHE state