# Algorithm Support

emCA supports the following cryptographic algorithms for certificate and signature operations:

**Traditional Cryptography Algorithms**

* **DSA (Digital Signature Algorithm)**\
  Compliant with FIPS 186-4 for digital signatures.
* **RSA**\
  Implements PKCS #1 v2.2 with key sizes from 2048 to 4096 bits.

**ECC Algorithms**

emCA supports a variety of Elliptic Curve Cryptography (ECC) algorithms, including:

* secp192r1 (NIST P-192)
* secp256r1 (NIST P-256)
* secp384r1 (NIST P-384)
* secp521r1 (NIST P-521)
* brainpoolP256r1, brainpoolP384r1, brainpoolP512r1
* prime224v1, prime256v1
* Ed25519 (RFC 8422)


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