[crypto] Manual backport from eg100 to master #30280

Merged

andrea-caforio merged 34 commits into

lowRISC:masterfrom

nasahlpa:backport_cl_prs_6

Jun 3, 2026

Commits on Jun 3, 2026

[pentest] Clean the asym calls

siemen11
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nasahlpa
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[cryptolib] Remove `montmul` dependency from `run_rsa_key_from_cofactor`
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[crypto/itegrity] Cleanup public header

siemen11
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[crypto/25519] Merge ed25519 and x25519

siemen11
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[pentest] Fix build of sca_asym
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[crypto] Add negative tests for p384 check public key function
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[crypto] Combine `p384_check_isoncurve` and `p384_check_public_key`
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[cryptotest] Add negative p384 is on curve checks
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[crypto] Update p384 instruction counter values
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[crypto] Replace memset in GCM wih volatile loop
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[crypto/25519] Add sideload support for x25519

siemen11
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[crypto/rsa] Refactor RSA for code size

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[crypto] Add CMAC

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[pentest] Connect cmac to pentest

siemen11
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[cryptotest] Add dummy ACVP RSA sign test vectors
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[cryptotest] Rename RSA keygen
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[cryptotest] Add RSA keygen
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[cryptotest] Add RSA CAVP sign testing
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[crypto/kdf_ctr] Remove VLA and introduce masking

siemen11
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[crypto/hkdf] Remove the VLAs and apply masking

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[crypto] Create a compile time option for NULL checks

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[crypto/ecc] Refactor p256 and p384

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[cryptotest] Add Ed25519 ACVP SigVer testing
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[cryptotest] Restructure Ed25519 firmware to follow other implementations
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[cryptotest] Add Ed25519 Sign to cryptotest firmware
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[cryptotest] Add Ed25519 SigGen ACVP testing
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[cryptotest] Add Ed25519 KeyGen to cryptotest firmware
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[cryptotest] Add ACVP testing for Ed25519 KeyGen
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[quality] Do not check ACVP test vectors
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[crypto] Check length of wrapped key
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[crypto/hmac] Refactor HMAC

siemen11
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[crypto/ecc] Clear private scalar after use

siemen11
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[crypto/gcm] Shred subkey after use

siemen11
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[crypto/gcm] Warn user about releasing plaintext before tag validation

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