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Merge pull request #10450 from Frauschi/slhdsa_pre_hash

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HashSLH-DSA APIs take the pre-hashed digest, not the raw message
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Daniel Pouzzner
2026-05-11 16:29:32 -05:00
committed by GitHub
parent 01ba609f0d f16216e5b8
commit 3afa9018f4
8 changed files with 619 additions and 204 deletions
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wolfssl/wolfcrypt/wc_slhdsa.h
+8 -5
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@@ -666,7 +666,10 @@ WOLFSSL_API int wc_SlhDsaKey_Verify(SlhDsaKey* key, const byte* ctx,
byte ctxSz, const byte* msg, word32 msgSz, const byte* sig, word32 sigSz);
#ifndef WOLFSSL_SLHDSA_VERIFY_ONLY
/* Internal interface: M' provided directly (no M' construction). */
/* External-M' / FIPS 205 internal interface (Algorithms 19/20): the caller
* supplies the fully-built M'. Use these for HashSLH-DSA implementations that
* construct M' externally, distributed signers that operate on a pre-built
* message representative, and ACVP signatureInterface=internal test groups. */
WOLFSSL_API int wc_SlhDsaKey_SignMsgDeterministic(SlhDsaKey* key,
const byte* mprime, word32 mprimeSz, byte* sig, word32* sigSz);
WOLFSSL_API int wc_SlhDsaKey_SignMsgWithRandom(SlhDsaKey* key,
@@ -678,17 +681,17 @@ WOLFSSL_API int wc_SlhDsaKey_VerifyMsg(SlhDsaKey* key, const byte* mprime,
#ifndef WOLFSSL_SLHDSA_VERIFY_ONLY
WOLFSSL_API int wc_SlhDsaKey_SignHashDeterministic(SlhDsaKey* key,
const byte* ctx, byte ctxSz, const byte* msg, word32 msgSz,
const byte* ctx, byte ctxSz, const byte* hash, word32 hashSz,
enum wc_HashType hashType, byte* sig, word32* sigSz);
WOLFSSL_API int wc_SlhDsaKey_SignHashWithRandom(SlhDsaKey* key,
const byte* ctx, byte ctxSz, const byte* msg, word32 msgSz,
const byte* ctx, byte ctxSz, const byte* hash, word32 hashSz,
enum wc_HashType hashType, byte* sig, word32* sigSz, byte* addRnd);
WOLFSSL_API int wc_SlhDsaKey_SignHash(SlhDsaKey* key, const byte* ctx,
byte ctxSz, const byte* msg, word32 msgSz, enum wc_HashType hashType,
byte ctxSz, const byte* hash, word32 hashSz, enum wc_HashType hashType,
byte* sig, word32* sigSz, WC_RNG* rng);
#endif /* WOLFSSL_SLHDSA_VERIFY_ONLY */
WOLFSSL_API int wc_SlhDsaKey_VerifyHash(SlhDsaKey* key, const byte* ctx,
byte ctxSz, const byte* msg, word32 msgSz, enum wc_HashType hashType,
byte ctxSz, const byte* hash, word32 hashSz, enum wc_HashType hashType,
const byte* sig, word32 sigSz);
#ifndef WOLFSSL_SLHDSA_VERIFY_ONLY