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Add SHA256-HMAC mechanism #183

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merged 1 commit into from
Nov 9, 2023
Merged

Add SHA256-HMAC mechanism #183

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11 changes: 10 additions & 1 deletion cryptoki/src/mechanism/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -251,6 +251,10 @@ impl MechanismType {
pub const SHA512_RSA_PKCS_PSS: MechanismType = MechanismType {
val: CKM_SHA512_RSA_PKCS_PSS,
};
/// SHA256-HMAC mechanism
pub const SHA256_HMAC: MechanismType = MechanismType {
val: CKM_SHA256_HMAC,
};
/// GENERIC-SECRET-KEY-GEN mechanism
pub const GENERIC_SECRET_KEY_GEN: MechanismType = MechanismType {
val: CKM_GENERIC_SECRET_KEY_GEN,
Expand Down Expand Up @@ -663,6 +667,7 @@ impl TryFrom<CK_MECHANISM_TYPE> for MechanismType {
CKM_SHA256_RSA_PKCS => Ok(MechanismType::SHA256_RSA_PKCS),
CKM_SHA384_RSA_PKCS => Ok(MechanismType::SHA384_RSA_PKCS),
CKM_SHA512_RSA_PKCS => Ok(MechanismType::SHA512_RSA_PKCS),
CKM_SHA256_HMAC => Ok(MechanismType::SHA256_HMAC),
CKM_GENERIC_SECRET_KEY_GEN => Ok(MechanismType::GENERIC_SECRET_KEY_GEN),
other => {
error!("Mechanism type {} is not supported.", other);
Expand Down Expand Up @@ -842,7 +847,8 @@ pub enum Mechanism<'a> {
Sha384RsaPkcsPss(rsa::PkcsPssParams),
/// SHA256-RSA-PKCS-PSS mechanism
Sha512RsaPkcsPss(rsa::PkcsPssParams),

/// SHA256-HMAC mechanism
Sha256Hmac,
/// GENERIC-SECRET-KEY-GEN mechanism
GenericSecretKeyGen,
}
Expand Down Expand Up @@ -905,6 +911,8 @@ impl Mechanism<'_> {
Mechanism::Sha384RsaPkcsPss(_) => MechanismType::SHA384_RSA_PKCS_PSS,
Mechanism::Sha512RsaPkcsPss(_) => MechanismType::SHA512_RSA_PKCS_PSS,

Mechanism::Sha256Hmac => MechanismType::SHA256_HMAC,

Mechanism::GenericSecretKeyGen => MechanismType::GENERIC_SECRET_KEY_GEN,
}
}
Expand Down Expand Up @@ -971,6 +979,7 @@ impl From<&Mechanism<'_>> for CK_MECHANISM {
| Mechanism::Sha256RsaPkcs
| Mechanism::Sha384RsaPkcs
| Mechanism::Sha512RsaPkcs
| Mechanism::Sha256Hmac
| Mechanism::GenericSecretKeyGen => CK_MECHANISM {
mechanism,
pParameter: null_mut(),
Expand Down
29 changes: 29 additions & 0 deletions cryptoki/tests/basic.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1255,3 +1255,32 @@ fn aes_cmac_verify() -> TestResult {
session.verify(&Mechanism::AesCMac, key, &message, &expected_mac)?;
Ok(())
}

#[test]
#[serial]
fn sign_verify_sha256_hmac() -> TestResult {
let (pkcs11, slot) = init_pins();
let session = pkcs11.open_rw_session(slot)?;
session.login(UserType::User, Some(&AuthPin::new(USER_PIN.into())))?;

let priv_key_template = vec![
Attribute::Token(true),
Attribute::Private(true),
Attribute::Sensitive(true),
Attribute::Sign(true),
Attribute::KeyType(KeyType::GENERIC_SECRET),
Attribute::Class(ObjectClass::SECRET_KEY),
Attribute::ValueLen(256.into()),
];

let private = session.generate_key(&Mechanism::GenericSecretKeyGen, &priv_key_template)?;

let data = vec![0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF];

let signature = session.sign(&Mechanism::Sha256Hmac, private, &data)?;

session.verify(&Mechanism::Sha256Hmac, private, &data, &signature)?;

session.destroy_object(private)?;
Ok(())
}
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