Unverified50% confidenceFactExact time
TLS 1.3使用基于椭圆曲线的ECDHE变体，256位椭圆曲线密钥提供相当于3072位RSA密钥的安全强度
1
Sources
50%
Confidence
Long-term
Relevance
8/16/2026
First Seen
Sources
Related Claims
UnverifiedECDH achieves with a 256-bit key the same security strength as RSA with a 3072-bit key.74% similarVerifiedSM2 is based on elliptic-curve cryptography (ECC) with a key length of 256 bits; its security is equivalent to RSA-2048 but with higher computational efficiency, and it is commonly used for digital signatures and key exchange69% similarUnverifiedSignal协议综合运用基于Curve25519的椭圆曲线Diffie-Hellman密钥交换与AES-256对称加密64% similarUnverifiedSSH密钥认证基于RSA（依赖大整数分解难题）或Ed25519（基于椭圆曲线离散对数难题）算法，私钥永远不离开本地设备64% similarUnverified端到端加密常见实现方案包括基于 X25519 的密钥交换配合 AES-256-GCM 对称加密，局域网直连场景 TLS 1.3 已足够满足传输安全需求63% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/757270API
curl https://kongchang.com/api/v1/knowledge/claims/757270MCP
get_claim(id=757270)