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fix blst_backend: use func instead of simple let

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With let, there was the following error:
Error: 'generateAuthenticatorNaive' is not GC-safe as it accesses 'ec_p1_mult' which is a global using GC'ed memory
Fix is to use func, which also defines the interface much better.

Signed-off-by: Csaba Kiraly <csaba.kiraly@gmail.com>
This commit is contained in:
Csaba Kiraly 2022-05-26 14:52:27 +02:00
parent 1c08b33a66
commit 8264de6d10
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GPG Key ID: 0FE274EE8C95166E
1 changed files with 40 additions and 14 deletions
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54
codex/storageproofs/backends/backend_blst.nim
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@ -19,6 +19,8 @@ type
ec_PublicKey* = blscurve.PublicKey
ec_p1* = blst_p1
ec_p2* = blst_p2
ec_p1_affine* = blst_p1_affine
ec_p2_affine* = blst_p2_affine
ec_scalar* = blst_scalar
ec_fr* = blst_fr
ec_signature* = Signature
@ -27,20 +29,44 @@ type
template EC_G1* : blst_p1_affine = BLS12_381_G1
template EC_G2* : blst_p2_affine = BLS12_381_G2
let
ec_p1_from_affine* = blst_p1_from_affine
ec_scalar_from_bendian* = blst_scalar_from_bendian
ec_scalar_fr_check* = blst_scalar_fr_check
ec_p2_from_affine* = blst_p2_from_affine
ec_p2_mult* = blst_p2_mult
ec_p1_mult* = blst_p1_mult
ec_p1_add_or_double* = blst_p1_add_or_double
ec_fr_from_scalar* = blst_fr_from_scalar
ec_fr_mul* = blst_fr_mul
ec_scalar_from_fr* = blst_scalar_from_fr
ec_fr_add* = blst_fr_add
ec_p1_on_curve* = blst_p1_on_curve
ec_keygen* = blscurve.keyGen
func ec_p1_from_affine*(dst: var ec_p1, src: ec_p1_affine) =
blst_p1_from_affine(dst, src)
func ec_scalar_from_bendian*(ret: var ec_scalar, a: array[32, byte]) =
blst_scalar_from_bendian(ret, a)
func ec_scalar_fr_check*(a: ec_scalar): CTBool =
blst_scalar_fr_check(a)
func ec_p2_from_affine*(dst: var ec_p2, src: ec_p2_affine) =
blst_p2_from_affine(dst, src)
func ec_p2_mult*(dst: var blst_p2, p: blst_p2, scalar: blst_scalar, nbits: uint) =
blst_p2_mult(dst, p, scalar, nbits)
func ec_p1_mult*(dst: var ec_p1, p: ec_p1, scalar: ec_scalar, nbits: uint) =
blst_p1_mult(dst, p, scalar, nbits)
func ec_p1_add_or_double*(dst: var ec_p1, a: ec_p1, b: ec_p1) =
blst_p1_add_or_double(dst, a, b)
func ec_fr_from_scalar*(ret: var ec_fr, a: ec_scalar) =
blst_fr_from_scalar(ret, a)
func ec_fr_mul*(ret: var ec_fr, a: ec_fr, b: ec_fr) =
blst_fr_mul(ret, a, b)
func ec_scalar_from_fr*(ret: var ec_scalar, a: ec_fr) =
blst_scalar_from_fr(ret, a)
func ec_fr_add*(ret: var ec_fr, a: ec_fr, b: ec_fr) =
blst_fr_add(ret, a, b)
func ec_p1_on_curve*(p: ec_p1): CTBool =
blst_p1_on_curve(p)
func ec_keygen*(ikm: openarray[byte], publicKey: var ec_PublicKey, secretKey: var ec_SecretKey): bool =
blscurve.keyGen(ikm, publicKey, secretKey)
func ec_export_raw*(signature: Signature): array[96, byte] {.inline, noinit.} =
blscurve.exportRaw(signature)