Algorithm Overview

Compatibility Matrix

Compare cryptographic algorithms side by side. Evaluate block sizes, key lengths, security statuses, speeds, and common applications to choose the right algorithm for your use case.

Algorithm	Category	Block Size	Key Size	Security	Speed	Common Applications
AES	symmetric	128-bit	128, 192, 256-bit	secure	Very Fast (Hardware Accelerated)	Disk EncryptionTLSVPNsGeneral Purpose
ChaCha20-Poly1305	symmetric	512-bit (internal)	256-bit	secure	Fast (Software)	TLS 1.3WireGuardMobile Devices
3DES	symmetric	64-bit	112 or 168-bit	deprecated	Slow	Legacy Financial Systems
DES	symmetric	64-bit	56-bit	broken	Moderate	Legacy SystemsEducational
AES-XTS	symmetric	128-bit	256 or 512-bit (two keys)	secure	Fast	Disk Encryption (BitLocker, FileVault)
Camellia	symmetric	128-bit	128, 192, 256-bit	secure	Fast	TLSIPsecSmart Cards
Serpent	symmetric	128-bit	128, 192, 256-bit	secure	Moderate (High Security Margin)	High-Security Storage
SHA-256	hash	512-bit (block)	N/A	secure	Fast	Digital SignaturesCertificatesData Integrity
SHA-512	hash	1024-bit (block)	N/A	secure	Fast (64-bit Systems)	High-Security SignaturesKey Derivation
MD5	hash	512-bit (block)	N/A	broken	Very Fast	Non-Cryptographic Checksums
Bcrypt	hash	N/A	N/A	secure	Slow (Intentional)	Password Hashing
SHAKE128	hash	1344-bit (rate)	N/A	secure	Fast	Key GenerationCustom HashesPost-Quantum
RSA-2048	asymmetric	2048-bit (max input)	2048 to 4096-bit	secure	Slow	Digital SignaturesKey Exchange
ECC (P-256)	asymmetric	N/A	256-bit	secure	Fast (compared to RSA)	TLSMobile CryptographyIoT
Diffie-Hellman	asymmetric	N/A	2048-bit+	secure	Moderate	Key Exchange (Forward Secrecy)
FrodoKEM-640	asymmetric	N/A	640 (Matrix LWE)	secure	Moderate (O(n^2) Matrix Ops)	Post-Quantum Key ExchangeConservative PQCLattice Cryptography
Caesar Cipher	classical	1 char	1 number	broken	Instant	EducationalPuzzle Games
Vigenère Cipher	classical	1 char	Variable length string	broken	Instant	EducationalHistorical Context

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Algorithm Overview

Compatibility Matrix

Compare cryptographic algorithms side by side. Evaluate block sizes, key lengths, security statuses, speeds, and common applications to choose the right algorithm for your use case.

Algorithm	Category	Block Size	Key Size	Security	Speed	Common Applications
AES	symmetric	128-bit	128, 192, 256-bit	secure	Very Fast (Hardware Accelerated)	Disk EncryptionTLSVPNsGeneral Purpose
ChaCha20-Poly1305	symmetric	512-bit (internal)	256-bit	secure	Fast (Software)	TLS 1.3WireGuardMobile Devices
3DES	symmetric	64-bit	112 or 168-bit	deprecated	Slow	Legacy Financial Systems
DES	symmetric	64-bit	56-bit	broken	Moderate	Legacy SystemsEducational
AES-XTS	symmetric	128-bit	256 or 512-bit (two keys)	secure	Fast	Disk Encryption (BitLocker, FileVault)
Camellia	symmetric	128-bit	128, 192, 256-bit	secure	Fast	TLSIPsecSmart Cards
Serpent	symmetric	128-bit	128, 192, 256-bit	secure	Moderate (High Security Margin)	High-Security Storage
SHA-256	hash	512-bit (block)	N/A	secure	Fast	Digital SignaturesCertificatesData Integrity
SHA-512	hash	1024-bit (block)	N/A	secure	Fast (64-bit Systems)	High-Security SignaturesKey Derivation
MD5	hash	512-bit (block)	N/A	broken	Very Fast	Non-Cryptographic Checksums
Bcrypt	hash	N/A	N/A	secure	Slow (Intentional)	Password Hashing
SHAKE128	hash	1344-bit (rate)	N/A	secure	Fast	Key GenerationCustom HashesPost-Quantum
RSA-2048	asymmetric	2048-bit (max input)	2048 to 4096-bit	secure	Slow	Digital SignaturesKey Exchange
ECC (P-256)	asymmetric	N/A	256-bit	secure	Fast (compared to RSA)	TLSMobile CryptographyIoT
Diffie-Hellman	asymmetric	N/A	2048-bit+	secure	Moderate	Key Exchange (Forward Secrecy)
FrodoKEM-640	asymmetric	N/A	640 (Matrix LWE)	secure	Moderate (O(n^2) Matrix Ops)	Post-Quantum Key ExchangeConservative PQCLattice Cryptography
Caesar Cipher	classical	1 char	1 number	broken	Instant	EducationalPuzzle Games
Vigenère Cipher	classical	1 char	Variable length string	broken	Instant	EducationalHistorical Context