Struct x509_parser::signature_algorithm::RsaSsaPssParams

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pub struct RsaSsaPssParams<'a> { /* private fields */ }

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impl<'a> RsaSsaPssParams<'a>

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pub fn hash_algorithm(&self) -> Option<&AlgorithmIdentifier<'_>>

Get a reference to the rsa ssa pss params’s hash algorithm.

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pub fn hash_algorithm_oid(&self) -> &'a Oid<'_>

Return the hash algorithm OID, or SHA1 if absent (RFC4055)

Examples found in repository?
examples/print-cert.rs (line 244)
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fn print_x509_signature_algorithm(signature_algorithm: &AlgorithmIdentifier, indent: usize) {
    match SignatureAlgorithm::try_from(signature_algorithm) {
        Ok(sig_alg) => {
            print!("  Signature Algorithm: ");
            match sig_alg {
                SignatureAlgorithm::DSA => println!("DSA"),
                SignatureAlgorithm::ECDSA => println!("ECDSA"),
                SignatureAlgorithm::ED25519 => println!("ED25519"),
                SignatureAlgorithm::RSA => println!("RSA"),
                SignatureAlgorithm::RSASSA_PSS(params) => {
                    println!("RSASSA-PSS");
                    let indent_s = format!("{:indent$}", "", indent = indent + 2);
                    println!(
                        "{}Hash Algorithm: {}",
                        indent_s,
                        format_oid(params.hash_algorithm_oid()),
                    );
                    print!("{}Mask Generation Function: ", indent_s);
                    if let Ok(mask_gen) = params.mask_gen_algorithm() {
                        println!(
                            "{}/{}",
                            format_oid(&mask_gen.mgf),
                            format_oid(&mask_gen.hash),
                        );
                    } else {
                        println!("INVALID");
                    }
                    println!("{}Salt Length: {}", indent_s, params.salt_length());
                }
                SignatureAlgorithm::RSAAES_OAEP(params) => {
                    println!("RSAAES-OAEP");
                    let indent_s = format!("{:indent$}", "", indent = indent + 2);
                    println!(
                        "{}Hash Algorithm: {}",
                        indent_s,
                        format_oid(params.hash_algorithm_oid()),
                    );
                    print!("{}Mask Generation Function: ", indent_s);
                    if let Ok(mask_gen) = params.mask_gen_algorithm() {
                        println!(
                            "{}/{}",
                            format_oid(&mask_gen.mgf),
                            format_oid(&mask_gen.hash),
                        );
                    } else {
                        println!("INVALID");
                    }
                    println!(
                        "{}pSourceFunc: {}",
                        indent_s,
                        format_oid(&params.p_source_alg().algorithm),
                    );
                }
            }
        }
        Err(e) => {
            eprintln!("Could not parse signature algorithm: {}", e);
            println!("  Signature Algorithm:");
            print_x509_digest_algorithm(signature_algorithm, indent);
        }
    }
}
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pub fn mask_gen_algorithm_raw(&self) -> Option<&AlgorithmIdentifier<'_>>

Get a reference to the rsa ssa pss params’s mask generation algorithm.

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pub fn mask_gen_algorithm(&self) -> Result<MaskGenAlgorithm<'_, '_>, X509Error>

Get the rsa ssa pss params’s mask generation algorithm.

If the algorithm encoding is invalid, raise an error InvalidAlgorithmIdentifier

Examples found in repository?
examples/print-cert.rs (line 247)
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fn print_x509_signature_algorithm(signature_algorithm: &AlgorithmIdentifier, indent: usize) {
    match SignatureAlgorithm::try_from(signature_algorithm) {
        Ok(sig_alg) => {
            print!("  Signature Algorithm: ");
            match sig_alg {
                SignatureAlgorithm::DSA => println!("DSA"),
                SignatureAlgorithm::ECDSA => println!("ECDSA"),
                SignatureAlgorithm::ED25519 => println!("ED25519"),
                SignatureAlgorithm::RSA => println!("RSA"),
                SignatureAlgorithm::RSASSA_PSS(params) => {
                    println!("RSASSA-PSS");
                    let indent_s = format!("{:indent$}", "", indent = indent + 2);
                    println!(
                        "{}Hash Algorithm: {}",
                        indent_s,
                        format_oid(params.hash_algorithm_oid()),
                    );
                    print!("{}Mask Generation Function: ", indent_s);
                    if let Ok(mask_gen) = params.mask_gen_algorithm() {
                        println!(
                            "{}/{}",
                            format_oid(&mask_gen.mgf),
                            format_oid(&mask_gen.hash),
                        );
                    } else {
                        println!("INVALID");
                    }
                    println!("{}Salt Length: {}", indent_s, params.salt_length());
                }
                SignatureAlgorithm::RSAAES_OAEP(params) => {
                    println!("RSAAES-OAEP");
                    let indent_s = format!("{:indent$}", "", indent = indent + 2);
                    println!(
                        "{}Hash Algorithm: {}",
                        indent_s,
                        format_oid(params.hash_algorithm_oid()),
                    );
                    print!("{}Mask Generation Function: ", indent_s);
                    if let Ok(mask_gen) = params.mask_gen_algorithm() {
                        println!(
                            "{}/{}",
                            format_oid(&mask_gen.mgf),
                            format_oid(&mask_gen.hash),
                        );
                    } else {
                        println!("INVALID");
                    }
                    println!(
                        "{}pSourceFunc: {}",
                        indent_s,
                        format_oid(&params.p_source_alg().algorithm),
                    );
                }
            }
        }
        Err(e) => {
            eprintln!("Could not parse signature algorithm: {}", e);
            println!("  Signature Algorithm:");
            print_x509_digest_algorithm(signature_algorithm, indent);
        }
    }
}
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pub fn salt_length(&self) -> u32

Return the salt length

Examples found in repository?
examples/print-cert.rs (line 256)
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fn print_x509_signature_algorithm(signature_algorithm: &AlgorithmIdentifier, indent: usize) {
    match SignatureAlgorithm::try_from(signature_algorithm) {
        Ok(sig_alg) => {
            print!("  Signature Algorithm: ");
            match sig_alg {
                SignatureAlgorithm::DSA => println!("DSA"),
                SignatureAlgorithm::ECDSA => println!("ECDSA"),
                SignatureAlgorithm::ED25519 => println!("ED25519"),
                SignatureAlgorithm::RSA => println!("RSA"),
                SignatureAlgorithm::RSASSA_PSS(params) => {
                    println!("RSASSA-PSS");
                    let indent_s = format!("{:indent$}", "", indent = indent + 2);
                    println!(
                        "{}Hash Algorithm: {}",
                        indent_s,
                        format_oid(params.hash_algorithm_oid()),
                    );
                    print!("{}Mask Generation Function: ", indent_s);
                    if let Ok(mask_gen) = params.mask_gen_algorithm() {
                        println!(
                            "{}/{}",
                            format_oid(&mask_gen.mgf),
                            format_oid(&mask_gen.hash),
                        );
                    } else {
                        println!("INVALID");
                    }
                    println!("{}Salt Length: {}", indent_s, params.salt_length());
                }
                SignatureAlgorithm::RSAAES_OAEP(params) => {
                    println!("RSAAES-OAEP");
                    let indent_s = format!("{:indent$}", "", indent = indent + 2);
                    println!(
                        "{}Hash Algorithm: {}",
                        indent_s,
                        format_oid(params.hash_algorithm_oid()),
                    );
                    print!("{}Mask Generation Function: ", indent_s);
                    if let Ok(mask_gen) = params.mask_gen_algorithm() {
                        println!(
                            "{}/{}",
                            format_oid(&mask_gen.mgf),
                            format_oid(&mask_gen.hash),
                        );
                    } else {
                        println!("INVALID");
                    }
                    println!(
                        "{}pSourceFunc: {}",
                        indent_s,
                        format_oid(&params.p_source_alg().algorithm),
                    );
                }
            }
        }
        Err(e) => {
            eprintln!("Could not parse signature algorithm: {}", e);
            println!("  Signature Algorithm:");
            print_x509_digest_algorithm(signature_algorithm, indent);
        }
    }
}
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pub fn trailer_field(&self) -> u32

Return the trailer field (value must be 1 according to RFC4055)

Trait Implementations§

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impl CheckDerConstraints for RsaSsaPssParams<'_>

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fn check_constraints(any: &Any<'_>) -> Result<()>

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impl<'a> Debug for RsaSsaPssParams<'a>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<'a> PartialEq for RsaSsaPssParams<'a>

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fn eq(&self, other: &RsaSsaPssParams<'a>) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<'a, 'b> TryFrom<&'b Any<'a>> for RsaSsaPssParams<'a>

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type Error = X509Error

The type returned in the event of a conversion error.
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fn try_from(value: &'b Any<'a>) -> Result<Self, Self::Error>

Performs the conversion.
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impl<'a> TryFrom<Any<'a>> for RsaSsaPssParams<'a>

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type Error = X509Error

The type returned in the event of a conversion error.
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fn try_from(value: Any<'a>) -> Result<Self, Self::Error>

Performs the conversion.
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impl DerAutoDerive for RsaSsaPssParams<'_>

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impl<'a> StructuralPartialEq for RsaSsaPssParams<'a>

Auto Trait Implementations§

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impl<'a> RefUnwindSafe for RsaSsaPssParams<'a>

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impl<'a> Send for RsaSsaPssParams<'a>

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impl<'a> Sync for RsaSsaPssParams<'a>

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impl<'a> Unpin for RsaSsaPssParams<'a>

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impl<'a> UnwindSafe for RsaSsaPssParams<'a>

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<'a, T, E> AsTaggedExplicit<'a, E> for T
where T: 'a,

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fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self, E>

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impl<'a, T, E> AsTaggedImplicit<'a, E> for T
where T: 'a,

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fn implicit( self, class: Class, constructed: bool, tag: u32 ) -> TaggedParser<'a, Implicit, Self, E>

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<'a, T, E> FromBer<'a, E> for T
where T: TryFrom<Any<'a>, Error = E>, E: From<Error>,

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fn from_ber(bytes: &'a [u8]) -> Result<(&'a [u8], T), Err<E>>

Attempt to parse input bytes into a BER object
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impl<'a, T, E> FromDer<'a, E> for T
where T: TryFrom<Any<'a>, Error = E> + CheckDerConstraints + DerAutoDerive, E: From<Error>,

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fn from_der(bytes: &'a [u8]) -> Result<(&'a [u8], T), Err<E>>

Attempt to parse input bytes into a DER object (enforcing constraints)
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.