Josh Holtrop
5c10fe9a58
This is related to F-1070 but not the same. We do not need to check that hash_size being passed in matches the initialized digest size because the C function will use the passed-in size as long as it is non-zero.
wolfssl-wolfcrypt crate
The wolfssl-wolfcrypt crate is a Rust wrapper for the wolfCrypt cryptographic
algorithms portion of the wolfSSL C library.
Installation
The wolfssl C library must be installed to be used by the Rust crate.
The wolfssl-wolfcrypt crate can be used by including it as a dependency in
your project's Cargo.toml file.
For example:
[dependencies]
wolfssl-wolfcrypt = "1.0"
API Coverage
This crate provides a wrapper API for the following wolfCrypt C library functionality:
- AES
- CBC, CCM, CFB, CTR, EAX, ECB, GCM, OFB, XTS
- BLAKE2
- CMAC
- ChaCha20-Poly1305
- Curve25519
- DH
- ECC
- Ed25519
- Ed448
- HKDF
- HMAC
- LMS
- ML-DSA
- ML-KEM
- PBKDF2
- PKCS #12 PBKDF
- PRF
- RNG
- RSA
- SHA
- SHA-1, SHA-224, SHA-256, SHA-384, SHA-512, SHA3-224, SHA3-256, SHA3-384, SHA3-512, SHAKE128, SHAKE256
- SRTP/SRTCP KDF
- SSH KDF
- TLSv1.3 HKDF
Build Notes
WOLFSSL_PREFIX
If the wolfSSL C library is not installed in a default location, you can
specify the installation prefix with the WOLFSSL_PREFIX environment variable
when building the wolfssl-wolfcrypt crate.
For example:
WOLFSSL_PREFIX=/opt/my-wolfssl-build cargo build
Cross-Compiling
Ensure that the target you want to build for is installed for Rust. For example:
rustup target add riscv64imac-unknown-none-elf
Build with the --target option if building manually:
export WOLFSSL_PREFIX=/opt/wolfssl-riscv64
cargo build --target riscv64imac-unknown-none-elf
To specify the linker for the target:
export CARGO_TARGET_RISCV64IMAC_UNKNOWN_NONE_ELF_LINKER=riscv64-elf-gcc