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Proto changes for pir_shard_configs and reuse_existing_config #14

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Nov 11, 2024
Merged

Proto changes for pir_shard_configs and reuse_existing_config #14

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4 changes: 4 additions & 0 deletions apple/swift_homomorphic_encryption/api/pir/v1/api.proto
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,8 @@ message ConfigRequest {
// List of usecases to fetch configs for.
// When set to empty array, all configs will be returned.
repeated string usecases = 1;
// For each usecase, the existing config id, if one exists.
repeated bytes existing_config_ids = 2;
}

// Usecase configuration.
Expand All @@ -35,6 +37,8 @@ message Config {
reserved 2;
// Unique identifier for the configuration.
bytes config_id = 3;
// Indicator that the config is the same config as in the ConfigRequest. If set, all other fields can be unset.
bool reuse_existing_config = 4;
}

// Server side configurations.
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23 changes: 21 additions & 2 deletions apple/swift_homomorphic_encryption/api/pir/v1/pir.proto
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Expand Up @@ -40,7 +40,7 @@ message PIRShardConfig {
message PIRConfig {
// Encryption parameters.
apple.swift_homomorphic_encryption.v1.EncryptionParameters encryption_parameters = 1;
// Configuration for each shard.
// Configuration for each shard; can be overridden by `pir_shard_configs` (field 10).
repeated PIRShardConfig shard_configs = 2;
// Parameters specific to KeywordPIR.
apple.swift_homomorphic_encryption.pir.v1.KeywordPirParameters keyword_pir_params = 3;
Expand All @@ -50,7 +50,26 @@ message PIRConfig {
uint64 batch_size = 5;
// Hash of EvaluationKeyConfig.
bytes evaluation_key_config_hash = 6;
reserved 7, 8;
reserved 7, 8, 9;
// Configuration for each shard; overrides `shard_configs` (field 2).
PIRShardConfigs pir_shard_configs = 10;
}

// Configuration for PIR shards.
message PIRShardConfigs {
// Different shard configuration formats.
oneof shard_configs {
// Repeated shard configuration.
PIRFixedShardConfig repeated_shard_config = 1;
}
}

// Every shard configuration is the same.
message PIRFixedShardConfig {
// Shard configuration for all the shards.
PIRShardConfig shard_config = 1;
// Number of shards.
uint32 shard_count = 2;
}

// PIR Request.
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4 changes: 4 additions & 0 deletions apple/swift_homomorphic_encryption/api/pnns/v1/api.proto
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Expand Up @@ -23,6 +23,8 @@ message ConfigRequest {
// List of usecases to fetch configs for.
// When set to empty array, all configs will be returned.
repeated string usecases = 1;
// For each usecase, the existing config id, if one exists.
repeated bytes existing_config_ids = 2;
}

// Usecase configuration.
Expand All @@ -35,6 +37,8 @@ message Config {
}
// Unique identifier for the configuration.
bytes config_id = 3;
// Indicator that the config is the same config as in the ConfigRequest. If set, all other fields can be unset.
bool reuse_existing_config = 4;
}

// Server side configurations.
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18 changes: 11 additions & 7 deletions apple/swift_homomorphic_encryption/api/v1/api.proto
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Expand Up @@ -19,6 +19,15 @@ import "apple/swift_homomorphic_encryption/api/pir/v1/pir.proto";
import "apple/swift_homomorphic_encryption/api/pnns/v1/pnns.proto";
import "apple/swift_homomorphic_encryption/api/shared/v1/api_shared.proto";

// Request for server side configurations.
message ConfigRequest {
// List of usecases to fetch configs for.
// When set to empty array, all configs will be returned.
repeated string usecases = 1;
// For each usecase, the existing config id, if one exists.
repeated bytes existing_config_ids = 2;
}

// Usecase configuration.
message Config {
// Configuration.
Expand All @@ -30,13 +39,8 @@ message Config {
}
// Unique identifier for the configuration.
bytes config_id = 3;
}

// Request for server side configurations.
message ConfigRequest {
// List of usecases to fetch configs for.
// When set to empty array, all configs will be returned.
repeated string usecases = 1;
// Indicator that the config is the same config as in the ConfigRequest. If set, all other fields can be unset.
bool reuse_existing_config = 4;
}

// Server side configurations.
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2 changes: 1 addition & 1 deletion apple/swift_homomorphic_encryption/pir/v1/pir.proto
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Expand Up @@ -58,7 +58,7 @@ message PirParameters {
message KeywordPirParameters {
// The number of hash functions used.
uint64 num_hash_functions = 1;
reserved 2;
reserved 2, 3, 4;
}

// Encrypted PIR index.
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