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feat: switch from num-bigint-dig to crypto-bigint #394

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feat: switch from num-bigint-dig to crypto-bigint #394

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@dignifiedquire dignifiedquire commented Nov 29, 2023 •
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Very, very WIP

Uncomplete, unordered task list

  • switch internal storage for RsaPrivateKey
  • switch internal storage for RsaPublicKey
  • switch all code to use the new decrypt implementation
  • update public traits using BigUint to return owned versions
  • fix blinding implementation
  • switch decryption algorithm with precompute to use crypto-bigint ops
  • go through other algorithms and update what can be done without having primality checks implemented
  • review & update code for constant time operation
  • review & update code for performance
  • benchmarks

Tests

  • algorithms::pad::tests::test_left_pad
  • algorithms::pkcs1v15::tests::test_non_zero_bytes
  • algorithms::rsa::tests::recover_primes_works
  • key::tests::build_key_from_p_q
  • key::tests::build_key_from_primes
  • key::tests::invalid_coeff_private_key_regression
  • algorithms::generate::tests::key_generation_128
  • key::tests::key_generation_128
  • algorithms::generate::tests::test_impossible_keys
  • algorithms::generate::tests::key_generation_multi_3_256
  • algorithms::generate::tests::key_generation_multi_4_64
  • key::tests::key_generation_multi_4_64
  • key::tests::reject_oversized_private_key
  • key::tests::test_from_into
  • key::tests::key_generation_multi_3_256
  • key::tests::test_serde
  • oaep::decrypting_key::tests::test_serde
  • oaep::encrypting_key::tests::test_serde
  • oaep::tests::test_decrypt_oaep_invalid_hash
  • oaep::tests::test_decrypt_oaep_invalid_hash_traits
  • oaep::tests::test_encrypt_decrypt_oaep
  • oaep::tests::test_encrypt_decrypt_oaep_traits
  • pkcs1v15::decrypting_key::tests::test_serde
  • pkcs1v15::encrypting_key::tests::test_serde
  • pkcs1v15::signature::tests::test_serde
  • pkcs1v15::signing_key::tests::test_serde
  • pkcs1v15::tests::test_decrypt_pkcs1v15
  • pkcs1v15::tests::test_decrypt_pkcs1v15_traits
  • pkcs1v15::tests::test_encrypt_decrypt_pkcs1v15
  • pkcs1v15::tests::test_encrypt_decrypt_pkcs1v15_traits
  • pkcs1v15::tests::test_sign_pkcs1v15
  • pkcs1v15::tests::test_sign_pkcs1v15_digest_signer
  • pkcs1v15::tests::test_sign_pkcs1v15_signer
  • pkcs1v15::tests::test_sign_pkcs1v15_signer_sha2_256
  • pkcs1v15::tests::test_sign_pkcs1v15_signer_sha3_256
  • pkcs1v15::tests::test_unpadded_signature
  • pkcs1v15::tests::test_unpadded_signature_hazmat
  • pkcs1v15::tests::test_verify_pkcs1v15
  • pkcs1v15::tests::test_verify_pkcs1v15_digest_signer
  • pkcs1v15::tests::test_verify_pkcs1v15_signer
  • pkcs1v15::verifying_key::tests::test_serde
  • pss::blinded_signing_key::tests::test_serde
  • pss::signature::tests::test_serde
  • pss::signing_key::tests::test_serde
  • algorithms::generate::tests::key_generation_1024
  • pss::test::test_sign_and_verify_pss_blinded_hazmat
  • pss::test::test_sign_and_verify_pss_hazmat
  • pss::test::test_sign_and_verify_roundtrip
  • pss::test::test_sign_and_verify_roundtrip_blinded_digest_signer
  • pss::test::test_sign_and_verify_roundtrip_blinded_signer
  • pss::test::test_sign_and_verify_roundtrip_digest_signer
  • pss::test::test_sign_and_verify_roundtrip_signer
  • pss::test::test_sign_blinded_and_verify_roundtrip
  • pss::test::test_verify_pss
  • pss::test::test_verify_pss_digest_signer
  • pss::test::test_verify_pss_hazmat
  • pss::test::test_verify_pss_signer
  • algorithms::generate::tests::key_generation_multi_5_64
  • pss::verifying_key::tests::test_serde
  • key::tests::test_negative_decryption_value
  • key::tests::key_generation_multi_5_64
  • pss::test::test_sign_and_verify_2049bit_key
  • key::tests::key_generation_1024
  • algorithms::generate::tests::key_generation_multi_8_576
  • key::tests::key_generation_multi_8_576

@dignifiedquire dignifiedquire mentioned this pull request Nov 29, 2023
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tarcieri
tarcieri reviewed Nov 29, 2023
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src/algorithms/rsa.rs Outdated Show resolved Hide resolved
@tarcieri tarcieri mentioned this pull request Nov 30, 2023
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tarcieri
tarcieri reviewed Dec 1, 2023
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src/algorithms/rsa.rs Outdated Show resolved Hide resolved
@sebadob sebadob mentioned this pull request Dec 1, 2023
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@link2xt link2xt mentioned this pull request Sep 3, 2024
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Fethbita
Fethbita reviewed Sep 6, 2024
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src/algorithms/generate.rs Outdated Show resolved Hide resolved
@zeerooth
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I tried testing this PR in a no_std environment, but it doesn't compile, as RSA pulls getrandom via crypto-bigint even if I disable default features.

rsa = { git = "https://github.com/RustCrypto/RSA.git", branch = "const-crypto-biguint", default-features = false }

    rsa v0.10.0-pre.2 (https://github.com/RustCrypto/RSA.git?branch=const-crypto-biguint#74d31971)
    ├── const-oid v0.10.0-rc.0
    ├── crypto-bigint v0.6.0-rc.5
    │   ├── num-traits v0.2.19
    │   │   [build-dependencies]
    │   │   └── autocfg v1.4.0
    │   ├── rand_core v0.6.4
    │   │   └── getrandom v0.2.15
    │   │       └── cfg-if v1.0.0
    │   ├── subtle v2.6.1
    │   └── zeroize v1.8.1

error: target is not supported, for more information see: https://docs.rs/getrandom/#unsupported-targets
   --> /home/----/.cargo/registry/src/index.crates.io-6f17d22bba15001f/getrandom-0.2.15/src/lib.rs:347:9
    |
347 | /         compile_error!("target is not supported, for more information see: \
348 | |                         https://docs.rs/getrandom/#unsupported-targets");
    | |________________________________________________________________________^

@tarcieri tarcieri mentioned this pull request Oct 7, 2024
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@tarcieri tarcieri mentioned this pull request Oct 15, 2024
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mepi262 commented Nov 5, 2024

@dignifiedquire
Any update on this pull request?

@dignifiedquire
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@dignifiedquire Any update on this pull request?

no, haven't had time to fix the afformentioned issues yet

@mepi262
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mepi262 commented Nov 5, 2024

@dignifiedquire
Thank you for your response !
I hope your another project will be succeed and become be able to concentrate on this pull request.

@dignifiedquire
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@tarcieri current benchmarks

# crypto-bigint

# macbook m1
test bench_rsa_2048_pkcsv1_decrypt      ... bench:   7,184,387.50 ns/iter (+/- 425,598.69)
test bench_rsa_2048_pkcsv1_sign_blinded ... bench:  13,453,579.10 ns/iter (+/- 686,276.31)

# AMD
test bench_rsa_2048_pkcsv1_decrypt      ... bench:   9,260,832.80 ns/iter (+/- 30,013.38)
test bench_rsa_2048_pkcsv1_sign_blinded ... bench:  16,610,079.40 ns/iter (+/- 251,292.53)

# master

# macbook m1
test bench_rsa_2048_pkcsv1_decrypt      ... bench:   1,117,479.15 ns/iter (+/- 31,334.30)
test bench_rsa_2048_pkcsv1_sign_blinded ... bench:   1,337,437.55 ns/iter (+/- 88,624.39)

# AMD
test bench_rsa_2048_pkcsv1_decrypt      ... bench:   1,414,348.80 ns/iter (+/- 12,585.71)
test bench_rsa_2048_pkcsv1_sign_blinded ... bench:   1,685,650.00 ns/iter (+/- 11,105.71)

@tarcieri tarcieri mentioned this pull request Nov 13, 2024
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@Fethbita Fethbita mentioned this pull request Dec 1, 2024
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Fethbita commented Dec 1, 2024 •
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@tarcieri most things are working now 🎉

I would appreciate some help with debugging the last failures, seems the proptests are discovering some roundtrip issues in the encoding/decoding and the last regular test that is a problem is dealign with a 2049bit key

@dignifiedquire created #462 for fixing these issues. Take a look. Feel free to change anything.

Fethbita and others added 6 commits December 1, 2024 15:49
@Fethbita
Fix clippy and fmt issues
ec599ee
@Fethbita
Fix the doctests in Oaep
e15b6a4 
The `n` in both cases is 257 bytes, with first element being 0
Re-encoded the number into 256 bytes and now the decoding works.

Note that ff you want to keep the previous Base64 `n`, then the
BoxedUint must take 2056 as the `bits_precision` parameter
@dignifiedquire
small cleanup and feature fix
dcc85c6
@dignifiedquire
Merge remote-tracking branch 'origin/master' into const-crypto-biguint
4b68379
@dignifiedquire
remove unused ci step
b8312e9
@dignifiedquire
fix: handle wasm compiliaton
ffdc5c2
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CI is finally green again, time for lots of review and cleanup

@dignifiedquire
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@zeerooth nostd builds should be working again

@dignifiedquire dignifiedquire marked this pull request as ready for review December 2, 2024 09:16
@dignifiedquire dignifiedquire changed the title [WIP]: switch to crypto-bigint for decryption [WIP]: feat: switch from num-bigint-dig to crypto-bigint Dec 2, 2024
@dignifiedquire dignifiedquire changed the title [WIP]: feat: switch from num-bigint-dig to crypto-bigint feat: switch from num-bigint-dig to crypto-bigint Dec 2, 2024
dignifiedquire
dignifiedquire commented Dec 2, 2024
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src/algorithms/generate.rs
let mut pi = prime_limit / (prime_limit.ln() - 1f64);
#[cfg(not(feature = "std"))]
let mut pi = prime_limit / (libm::logf(prime_limit as f32) as f64 - 1f64);
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this is not entirely correct or optimal, but I am not sure what other way there is

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@fjarri is there anything in crypto-primes for this?

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No, nothing like that currently

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