New Features

• ASCON light-weight authenticated encryption.
• Hybrid KEM for HPKE based on Kyber and X25519.
• CIRCL can be compiled both as static and dynamic linking modes.

Security

• Fixes error-handling on rand readers.

What's Changed

• Use untyped consts for Kyber params by @tmthrgd in https://github.com/cloudflare/circl/pull/398
• zk/dl: adds prefixed labels and updates nomenclature. by @armfazh in https://github.com/cloudflare/circl/pull/396
• Bumping Go version. by @armfazh in https://github.com/cloudflare/circl/pull/399
• kem: add P-256 + Kyber768Draft00 hybrid by @bwesterb in https://github.com/cloudflare/circl/pull/402
• ckem: pass xof to elliptic.GenerateKey directly by @bwesterb in https://github.com/cloudflare/circl/pull/403
• Adding Ascon, an AEAD lightweight cipher. by @armfazh in https://github.com/cloudflare/circl/pull/400
• Add Ascon-80pq to cipher\ascon by @dhcgn in https://github.com/cloudflare/circl/pull/404
• ascon: update formulas and check for API compatibility by @armfazh in https://github.com/cloudflare/circl/pull/406
• all: enables dynamic linking, removes R15 is clobbered by @armfazh in https://github.com/cloudflare/circl/pull/407
• ascon: Removes table of constants. by @armfazh in https://github.com/cloudflare/circl/pull/408
• tkn20: prevent panics on key gen errors by @tmthrgd in https://github.com/cloudflare/circl/pull/409
• expander,tkn20: remove superfluous Reset calls by @tmthrgd in https://github.com/cloudflare/circl/pull/410
• Updating stdlib crypto library. by @armfazh in https://github.com/cloudflare/circl/pull/413
• Reduce x/crypto and x/sys versions to match Go 1.20 by @Lekensteyn in https://github.com/cloudflare/circl/pull/414
• Make ascon cipher go routine safe by @enj in https://github.com/cloudflare/circl/pull/416
• tkn20,kyber,x25519,x448: plug constant-time leaks by @tmthrgd in https://github.com/cloudflare/circl/pull/411
• Check for crypto/rand errors and ReadFull io.Readers by @bwesterb in https://github.com/cloudflare/circl/pull/417
• Fix encapsulation seed size by @chris-wood in https://github.com/cloudflare/circl/pull/419
• Add X25519Kyber768Draft00 experimental HPKE KEM by @chris-wood in https://github.com/cloudflare/circl/pull/421
• hpke: Adding NonceSize function to AEAD. by @armfazh in https://github.com/cloudflare/circl/pull/424
• hpke: Address always nil parameter. by @armfazh in https://github.com/cloudflare/circl/pull/425
• hpke: update and move xyber768d00 test vectors by @bwesterb in https://github.com/cloudflare/circl/pull/426
• hpke: fix encapsulation seed in test for xyber by @bwesterb in https://github.com/cloudflare/circl/pull/428
• Remove scalar sha3 amd64 assembly by @bwesterb in https://github.com/cloudflare/circl/pull/429
• Add HPKE benchmarks by @chris-wood in https://github.com/cloudflare/circl/pull/434

New Contributors

• @tmthrgd made their first contribution in https://github.com/cloudflare/circl/pull/398
• @dhcgn made their first contribution in https://github.com/cloudflare/circl/pull/404
• @Lekensteyn made their first contribution in https://github.com/cloudflare/circl/pull/414
• @enj made their first contribution in https://github.com/cloudflare/circl/pull/416

Full Changelog: https://github.com/cloudflare/circl/compare/v1.3.2...v1.3.3