Adds the following functions:
- ccf.crypto.sign
- ccf.crypto.verifySignature
- ccf.crypto.pubPemToJwk
- ccf.crypto.pemToJwk
- ccf.crypto.pubRsaPemToJwk
- ccf.crypto.rsaPemToJwk
- ccf.crypto.pubEddsaPemToJwk
- ccf.crypto.eddsaPemToJwk
- ccf.crypto.pubJwkToPem
- ccf.crypto.jwkToPem
- ccf.crypto.pubRsaJwkToPem
- ccf.crypto.rsaJwkToPem
- ccf.crypto.pubEddsaJwkToPem
- ccf.crypto.eddsaJwkToPem
- ccf.crypto.generateAesKey
- ccf.crypto.generateRsaKeyPair
- ccf.crypto.generateEddsaKeyPair
- ccf.crypto.unwrapKey
- ccf.crypto.digest
- ccf.crypto.isValidX509CertBundle
- ccf.crypto.isValidX509CertChain