Blindfold: Sum Operation

The "sum" operation is a one-way operation used to perform secure addition on encrypted integers using homomorphic encryption.

Expected sum: 3

CONFIGURATION

12345678

KEY TYPE

SecretKey Seed
Same seed = same key = reproducible encryption

OUTPUT

SUM OPERATION REFERENCE

SINGLE NODE

Implementation: Non-deterministic Paillier with 2048-bit primes
Types: 32-bit signed integer only
Security: Homomorphic encryption allows addition without decryption

MULTIPLE NODES

Implementation: Additive secret sharing (prime modulus 2^32 + 15)
Types: 32-bit signed integer only

WORKFLOW

1. Encrypt:Each number encrypted to shares/ciphertext
2. Compute:Addition performed on encrypted values
3. Decrypt:Final sum revealed without exposing inputs