Merge commit 'd803bfe2b1fe7f5e219e50ac20d6801a0a58ac75' as 'vendor/ruvector'

vendor/ruvector/crates/rvf/rvf-crypto/src/lib.rs

@@ -0,0 +1,32 @@
+//! Cryptographic primitives for the RuVector Format (RVF).
+//!
+//! Provides SHAKE-256 hashing, Ed25519 segment signing/verification,
+//! signature footer codec, and WITNESS_SEG audit-trail support.
+
+#![cfg_attr(not(feature = "std"), no_std)]
+
+extern crate alloc;
+
+pub mod attestation;
+pub mod footer;
+pub mod hash;
+pub mod lineage;
+#[cfg(feature = "ed25519")]
+pub mod sign;
+pub mod witness;
+
+pub use attestation::{
+    attestation_witness_entry, build_attestation_witness_payload, decode_attestation_header,
+    decode_attestation_record, decode_tee_bound_key, encode_attestation_header,
+    encode_attestation_record, encode_tee_bound_key, verify_attestation_witness_payload,
+    verify_key_binding, QuoteVerifier, TeeBoundKeyRecord, VerifiedAttestationEntry,
+};
+pub use footer::{decode_signature_footer, encode_signature_footer};
+pub use hash::{shake256_128, shake256_256, shake256_hash};
+pub use lineage::{
+    compute_manifest_hash, lineage_record_from_bytes, lineage_record_to_bytes,
+    lineage_witness_entry, verify_lineage_chain,
+};
+#[cfg(feature = "ed25519")]
+pub use sign::{sign_segment, verify_segment};
+pub use witness::{create_witness_chain, verify_witness_chain, WitnessEntry};