//! This module contains parameters for FFDHE named groups as defined
//! in [RFC 7919 Appendix A](https://datatracker.ietf.org/doc/html/rfc7919#appendix-A).

use crate::NamedGroup;

#[derive(Clone, Copy, Debug, PartialEq, Eq)]
/// Parameters of an FFDHE group, with Big-endian byte order
pub struct FfdheGroup<'a> {
    pub p: &'a [u8],
    pub g: &'a [u8],
}

impl FfdheGroup<'static> {
    /// Return the `FfdheGroup` corresponding to the provided `NamedGroup`
    /// if it is indeed an FFDHE group
    #[deprecated(
        since = "0.23.13",
        note = "This function is linker-unfriendly.  Use `SupportedKxGroup::ffdhe_group()` instead"
    )]
    pub fn from_named_group(named_group: NamedGroup) -> Option<Self> {
        match named_group {
            NamedGroup::FFDHE2048 => Some(FFDHE2048),
            NamedGroup::FFDHE3072 => Some(FFDHE3072),
            NamedGroup::FFDHE4096 => Some(FFDHE4096),
            NamedGroup::FFDHE6144 => Some(FFDHE6144),
            NamedGroup::FFDHE8192 => Some(FFDHE8192),
            _ => None,
        }
    }
}

impl<'a> FfdheGroup<'a> {
    /// Return the `NamedGroup` for the `FfdheGroup` if it represents one.
    #[deprecated(
        since = "0.23.13",
        note = "This function is linker-unfriendly.  Use `SupportedKxGroup::name()` instead"
    )]
    pub fn named_group(&self) -> Option<NamedGroup> {
        match *self {
            FFDHE2048 => Some(NamedGroup::FFDHE2048),
            FFDHE3072 => Some(NamedGroup::FFDHE3072),
            FFDHE4096 => Some(NamedGroup::FFDHE4096),
            FFDHE6144 => Some(NamedGroup::FFDHE6144),
            FFDHE8192 => Some(NamedGroup::FFDHE8192),
            _ => None,
        }
    }

    /// Construct an `FfdheGroup` from the given `p` and `g`, trimming any potential leading zeros.
    pub fn from_params_trimming_leading_zeros(p: &'a [u8], g: &'a [u8]) -> Self {
        fn trim_leading_zeros(buf: &[u8]) -> &[u8] {
            for start in 0..buf.len() {
                if buf[start] != 0 {
                    return &buf[start..];
                }
            }
            &[]
        }

        FfdheGroup {
            p: trim_leading_zeros(p),
            g: trim_leading_zeros(g),
        }
    }
}

/// FFDHE2048 group defined in [RFC 7919 Appendix A.1]
///
/// [RFC 7919 Appendix A.1]: https://datatracker.ietf.org/doc/html/rfc7919#appendix-A.1
pub const FFDHE2048: FfdheGroup<'static> = FfdheGroup {
    p: &[
        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xad, 0xf8, 0x54, 0x58, 0xa2, 0xbb, 0x4a,
        0x9a, 0xaf, 0xdc, 0x56, 0x20, 0x27, 0x3d, 0x3c, 0xf1, 0xd8, 0xb9, 0xc5, 0x83, 0xce, 0x2d,
        0x36, 0x95, 0xa9, 0xe1, 0x36, 0x41, 0x14, 0x64, 0x33, 0xfb, 0xcc, 0x93, 0x9d, 0xce, 0x24,
        0x9b, 0x3e, 0xf9, 0x7d, 0x2f, 0xe3, 0x63, 0x63, 0x0c, 0x75, 0xd8, 0xf6, 0x81, 0xb2, 0x02,
        0xae, 0xc4, 0x61, 0x7a, 0xd3, 0xdf, 0x1e, 0xd5, 0xd5, 0xfd, 0x65, 0x61, 0x24, 0x33, 0xf5,
        0x1f, 0x5f, 0x06, 0x6e, 0xd0, 0x85, 0x63, 0x65, 0x55, 0x3d, 0xed, 0x1a, 0xf3, 0xb5, 0x57,
        0x13, 0x5e, 0x7f, 0x57, 0xc9, 0x35, 0x98, 0x4f, 0x0c, 0x70, 0xe0, 0xe6, 0x8b, 0x77, 0xe2,
        0xa6, 0x89, 0xda, 0xf3, 0xef, 0xe8, 0x72, 0x1d, 0xf1, 0x58, 0xa1, 0x36, 0xad, 0xe7, 0x35,
        0x30, 0xac, 0xca, 0x4f, 0x48, 0x3a, 0x79, 0x7a, 0xbc, 0x0a, 0xb1, 0x82, 0xb3, 0x24, 0xfb,
        0x61, 0xd1, 0x08, 0xa9, 0x4b, 0xb2, 0xc8, 0xe3, 0xfb, 0xb9, 0x6a, 0xda, 0xb7, 0x60, 0xd7,
        0xf4, 0x68, 0x1d, 0x4f, 0x42, 0xa3, 0xde, 0x39, 0x4d, 0xf4, 0xae, 0x56, 0xed, 0xe7, 0x63,
        0x72, 0xbb, 0x19, 0x0b, 0x07, 0xa7, 0xc8, 0xee, 0x0a, 0x6d, 0x70, 0x9e, 0x02, 0xfc, 0xe1,
        0xcd, 0xf7, 0xe2, 0xec, 0xc0, 0x34, 0x04, 0xcd, 0x28, 0x34, 0x2f, 0x61, 0x91, 0x72, 0xfe,
        0x9c, 0xe9, 0x85, 0x83, 0xff, 0x8e, 0x4f, 0x12, 0x32, 0xee, 0xf2, 0x81, 0x83, 0xc3, 0xfe,
        0x3b, 0x1b, 0x4c, 0x6f, 0xad, 0x73, 0x3b, 0xb5, 0xfc, 0xbc, 0x2e, 0xc2, 0x20, 0x05, 0xc5,
        0x8e, 0xf1, 0x83, 0x7d, 0x16, 0x83, 0xb2, 0xc6, 0xf3, 0x4a, 0x26, 0xc1, 0xb2, 0xef, 0xfa,
        0x88, 0x6b, 0x42, 0x38, 0x61, 0x28, 0x5c, 0x97, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
        0xff,
    ],
    g: &[2],
};

/// FFDHE3072 group defined in [RFC 7919 Appendix A.2]
///
/// [RFC 7919 Appendix A.2]: https://datatracker.ietf.org/doc/html/rfc7919#appendix-A.2
pub const FFDHE3072: FfdheGroup<'static> = FfdheGroup {
    p: &[
        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xad, 0xf8, 0x54, 0x58, 0xa2, 0xbb, 0x4a,
        0x9a, 0xaf, 0xdc, 0x56, 0x20, 0x27, 0x3d, 0x3c, 0xf1, 0xd8, 0xb9, 0xc5, 0x83, 0xce, 0x2d,
        0x36, 0x95, 0xa9, 0xe1, 0x36, 0x41, 0x14, 0x64, 0x33, 0xfb, 0xcc, 0x93, 0x9d, 0xce, 0x24,
        0x9b, 0x3e, 0xf9, 0x7d, 0x2f, 0xe3, 0x63, 0x63, 0x0c, 0x75, 0xd8, 0xf6, 0x81, 0xb2, 0x02,
        0xae, 0xc4, 0x61, 0x7a, 0xd3, 0xdf, 0x1e, 0xd5, 0xd5, 0xfd, 0x65, 0x61, 0x24, 0x33, 0xf5,
        0x1f, 0x5f, 0x06, 0x6e, 0xd0, 0x85, 0x63, 0x65, 0x55, 0x3d, 0xed, 0x1a, 0xf3, 0xb5, 0x57,
        0x13, 0x5e, 0x7f, 0x57, 0xc9, 0x35, 0x98, 0x4f, 0x0c, 0x70, 0xe0, 0xe6, 0x8b, 0x77, 0xe2,
        0xa6, 0x89, 0xda, 0xf3, 0xef, 0xe8, 0x72, 0x1d, 0xf1, 0x58, 0xa1, 0x36, 0xad, 0xe7, 0x35,
        0x30, 0xac, 0xca, 0x4f, 0x48, 0x3a, 0x79, 0x7a, 0xbc, 0x0a, 0xb1, 0x82, 0xb3, 0x24, 0xfb,
        0x61, 0xd1, 0x08, 0xa9, 0x4b, 0xb2, 0xc8, 0xe3, 0xfb, 0xb9, 0x6a, 0xda, 0xb7, 0x60, 0xd7,
        0xf4, 0x68, 0x1d, 0x4f, 0x42, 0xa3, 0xde, 0x39, 0x4d, 0xf4, 0xae, 0x56, 0xed, 0xe7, 0x63,
        0x72, 0xbb, 0x19, 0x0b, 0x07, 0xa7, 0xc8, 0xee, 0x0a, 0x6d, 0x70, 0x9e, 0x02, 0xfc, 0xe1,
        0xcd, 0xf7, 0xe2, 0xec, 0xc0, 0x34, 0x04, 0xcd, 0x28, 0x34, 0x2f, 0x61, 0x91, 0x72, 0xfe,
        0x9c, 0xe9, 0x85, 0x83, 0xff, 0x8e, 0x4f, 0x12, 0x32, 0xee, 0xf2, 0x81, 0x83, 0xc3, 0xfe,
        0x3b, 0x1b, 0x4c, 0x6f, 0xad, 0x73, 0x3b, 0xb5, 0xfc, 0xbc, 0x2e, 0xc2, 0x20, 0x05, 0xc5,
        0x8e, 0xf1, 0x83, 0x7d, 0x16, 0x83, 0xb2, 0xc6, 0xf3, 0x4a, 0x26, 0xc1, 0xb2, 0xef, 0xfa,
        0x88, 0x6b, 0x42, 0x38, 0x61, 0x1f, 0xcf, 0xdc, 0xde, 0x35, 0x5b, 0x3b, 0x65, 0x19, 0x03,
        0x5b, 0xbc, 0x34, 0xf4, 0xde, 0xf9, 0x9c, 0x02, 0x38, 0x61, 0xb4, 0x6f, 0xc9, 0xd6, 0xe6,
        0xc9, 0x07, 0x7a, 0xd9, 0x1d, 0x26, 0x91, 0xf7, 0xf7, 0xee, 0x59, 0x8c, 0xb0, 0xfa, 0xc1,
        0x86, 0xd9, 0x1c, 0xae, 0xfe, 0x13, 0x09, 0x85, 0x13, 0x92, 0x70, 0xb4, 0x13, 0x0c, 0x93,
        0xbc, 0x43, 0x79, 0x44, 0xf4, 0xfd, 0x44, 0x52, 0xe2, 0xd7, 0x4d, 0xd3, 0x64, 0xf2, 0xe2,
        0x1e, 0x71, 0xf5, 0x4b, 0xff, 0x5c, 0xae, 0x82, 0xab, 0x9c, 0x9d, 0xf6, 0x9e, 0xe8, 0x6d,
        0x2b, 0xc5, 0x22, 0x36, 0x3a, 0x0d, 0xab, 0xc5, 0x21, 0x97, 0x9b, 0x0d, 0xea, 0xda, 0x1d,
        0xbf, 0x9a, 0x42, 0xd5, 0xc4, 0x48, 0x4e, 0x0a, 0xbc, 0xd0, 0x6b, 0xfa, 0x53, 0xdd, 0xef,
        0x3c, 0x1b, 0x20, 0xee, 0x3f, 0xd5, 0x9d, 0x7c, 0x25, 0xe4, 0x1d, 0x2b, 0x66, 0xc6, 0x2e,
        0x37, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
    ],
    g: &[2],
};

/// FFDHE4096 group defined in [RFC 7919 Appendix A.3]
///
/// [RFC 7919 Appendix A.3]: https://datatracker.ietf.org/doc/html/rfc7919#appendix-A.3
pub const FFDHE4096: FfdheGroup<'static> = FfdheGroup {
    p: &[
        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xad, 0xf8, 0x54, 0x58, 0xa2, 0xbb, 0x4a,
        0x9a, 0xaf, 0xdc, 0x56, 0x20, 0x27, 0x3d, 0x3c, 0xf1, 0xd8, 0xb9, 0xc5, 0x83, 0xce, 0x2d,
        0x36, 0x95, 0xa9, 0xe1, 0x36, 0x41, 0x14, 0x64, 0x33, 0xfb, 0xcc, 0x93, 0x9d, 0xce, 0x24,
        0x9b, 0x3e, 0xf9, 0x7d, 0x2f, 0xe3, 0x63, 0x63, 0x0c, 0x75, 0xd8, 0xf6, 0x81, 0xb2, 0x02,
        0xae, 0xc4, 0x61, 0x7a, 0xd3, 0xdf, 0x1e, 0xd5, 0xd5, 0xfd, 0x65, 0x61, 0x24, 0x33, 0xf5,
        0x1f, 0x5f, 0x06, 0x6e, 0xd0, 0x85, 0x63, 0x65, 0x55, 0x3d, 0xed, 0x1a, 0xf3, 0xb5, 0x57,
        0x13, 0x5e, 0x7f, 0x57, 0xc9, 0x35, 0x98, 0x4f, 0x0c, 0x70, 0xe0, 0xe6, 0x8b, 0x77, 0xe2,
        0xa6, 0x89, 0xda, 0xf3, 0xef, 0xe8, 0x72, 0x1d, 0xf1, 0x58, 0xa1, 0x36, 0xad, 0xe7, 0x35,
        0x30, 0xac, 0xca, 0x4f, 0x48, 0x3a, 0x79, 0x7a, 0xbc, 0x0a, 0xb1, 0x82, 0xb3, 0x24, 0xfb,
        0x61, 0xd1, 0x08, 0xa9, 0x4b, 0xb2, 0xc8, 0xe3, 0xfb, 0xb9, 0x6a, 0xda, 0xb7, 0x60, 0xd7,
        0xf4, 0x68, 0x1d, 0x4f, 0x42, 0xa3, 0xde, 0x39, 0x4d, 0xf4, 0xae, 0x56, 0xed, 0xe7, 0x63,
        0x72, 0xbb, 0x19, 0x0b, 0x07, 0xa7, 0xc8, 0xee, 0x0a, 0x6d, 0x70, 0x9e, 0x02, 0xfc, 0xe1,
        0xcd, 0xf7, 0xe2, 0xec, 0xc0, 0x34, 0x04, 0xcd, 0x28, 0x34, 0x2f, 0x61, 0x91, 0x72, 0xfe,
        0x9c, 0xe9, 0x85, 0x83, 0xff, 0x8e, 0x4f, 0x12, 0x32, 0xee, 0xf2, 0x81, 0x83, 0xc3, 0xfe,
        0x3b, 0x1b, 0x4c, 0x6f, 0xad, 0x73, 0x3b, 0xb5, 0xfc, 0xbc, 0x2e, 0xc2, 0x20, 0x05, 0xc5,
        0x8e, 0xf1, 0x83, 0x7d, 0x16, 0x83, 0xb2, 0xc6, 0xf3, 0x4a, 0x26, 0xc1, 0xb2, 0xef, 0xfa,
        0x88, 0x6b, 0x42, 0x38, 0x61, 0x1f, 0xcf, 0xdc, 0xde, 0x35, 0x5b, 0x3b, 0x65, 0x19, 0x03,
        0x5b, 0xbc, 0x34, 0xf4, 0xde, 0xf9, 0x9c, 0x02, 0x38, 0x61, 0xb4, 0x6f, 0xc9, 0xd6, 0xe6,
        0xc9, 0x07, 0x7a, 0xd9, 0x1d, 0x26, 0x91, 0xf7, 0xf7, 0xee, 0x59, 0x8c, 0xb0, 0xfa, 0xc1,
        0x86, 0xd9, 0x1c, 0xae, 0xfe, 0x13, 0x09, 0x85, 0x13, 0x92, 0x70, 0xb4, 0x13, 0x0c, 0x93,
        0xbc, 0x43, 0x79, 0x44, 0xf4, 0xfd, 0x44, 0x52, 0xe2, 0xd7, 0x4d, 0xd3, 0x64, 0xf2, 0xe2,
        0x1e, 0x71, 0xf5, 0x4b, 0xff, 0x5c, 0xae, 0x82, 0xab, 0x9c, 0x9d, 0xf6, 0x9e, 0xe8, 0x6d,
        0x2b, 0xc5, 0x22, 0x36, 0x3a, 0x0d, 0xab, 0xc5, 0x21, 0x97, 0x9b, 0x0d, 0xea, 0xda, 0x1d,
        0xbf, 0x9a, 0x42, 0xd5, 0xc4, 0x48, 0x4e, 0x0a, 0xbc, 0xd0, 0x6b, 0xfa, 0x53, 0xdd, 0xef,
        0x3c, 0x1b, 0x20, 0xee, 0x3f, 0xd5, 0x9d, 0x7c, 0x25, 0xe4, 0x1d, 0x2b, 0x66, 0x9e, 0x1e,
        0xf1, 0x6e, 0x6f, 0x52, 0xc3, 0x16, 0x4d, 0xf4, 0xfb, 0x79, 0x30, 0xe9, 0xe4, 0xe5, 0x88,
        0x57, 0xb6, 0xac, 0x7d, 0x5f, 0x42, 0xd6, 0x9f, 0x6d, 0x18, 0x77, 0x63, 0xcf, 0x1d, 0x55,
        0x03, 0x40, 0x04, 0x87, 0xf5, 0x5b, 0xa5, 0x7e, 0x31, 0xcc, 0x7a, 0x71, 0x35, 0xc8, 0x86,
        0xef, 0xb4, 0x31, 0x8a, 0xed, 0x6a, 0x1e, 0x01, 0x2d, 0x9e, 0x68, 0x32, 0xa9, 0x07, 0x60,
        0x0a, 0x91, 0x81, 0x30, 0xc4, 0x6d, 0xc7, 0x78, 0xf9, 0x71, 0xad, 0x00, 0x38, 0x09, 0x29,
        0x99, 0xa3, 0x33, 0xcb, 0x8b, 0x7a, 0x1a, 0x1d, 0xb9, 0x3d, 0x71, 0x40, 0x00, 0x3c, 0x2a,
        0x4e, 0xce, 0xa9, 0xf9, 0x8d, 0x0a, 0xcc, 0x0a, 0x82, 0x91, 0xcd, 0xce, 0xc9, 0x7d, 0xcf,
        0x8e, 0xc9, 0xb5, 0x5a, 0x7f, 0x88, 0xa4, 0x6b, 0x4d, 0xb5, 0xa8, 0x51, 0xf4, 0x41, 0x82,
        0xe1, 0xc6, 0x8a, 0x00, 0x7e, 0x5e, 0x65, 0x5f, 0x6a, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
        0xff, 0xff,
    ],
    g: &[2],
};

/// FFDHE6144 group defined in [RFC 7919 Appendix A.4]
///
/// [RFC 7919 Appendix A.4]: https://datatracker.ietf.org/doc/html/rfc7919#appendix-A.4
pub const FFDHE6144: FfdheGroup<'static> = FfdheGroup {
    p: &[
        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xad, 0xf8, 0x54, 0x58, 0xa2, 0xbb, 0x4a,
        0x9a, 0xaf, 0xdc, 0x56, 0x20, 0x27, 0x3d, 0x3c, 0xf1, 0xd8, 0xb9, 0xc5, 0x83, 0xce, 0x2d,
        0x36, 0x95, 0xa9, 0xe1, 0x36, 0x41, 0x14, 0x64, 0x33, 0xfb, 0xcc, 0x93, 0x9d, 0xce, 0x24,
        0x9b, 0x3e, 0xf9, 0x7d, 0x2f, 0xe3, 0x63, 0x63, 0x0c, 0x75, 0xd8, 0xf6, 0x81, 0xb2, 0x02,
        0xae, 0xc4, 0x61, 0x7a, 0xd3, 0xdf, 0x1e, 0xd5, 0xd5, 0xfd, 0x65, 0x61, 0x24, 0x33, 0xf5,
        0x1f, 0x5f, 0x06, 0x6e, 0xd0, 0x85, 0x63, 0x65, 0x55, 0x3d, 0xed, 0x1a, 0xf3, 0xb5, 0x57,
        0x13, 0x5e, 0x7f, 0x57, 0xc9, 0x35, 0x98, 0x4f, 0x0c, 0x70, 0xe0, 0xe6, 0x8b, 0x77, 0xe2,
        0xa6, 0x89, 0xda, 0xf3, 0xef, 0xe8, 0x72, 0x1d, 0xf1, 0x58, 0xa1, 0x36, 0xad, 0xe7, 0x35,
        0x30, 0xac, 0xca, 0x4f, 0x48, 0x3a, 0x79, 0x7a, 0xbc, 0x0a, 0xb1, 0x82, 0xb3, 0x24, 0xfb,
        0x61, 0xd1, 0x08, 0xa9, 0x4b, 0xb2, 0xc8, 0xe3, 0xfb, 0xb9, 0x6a, 0xda, 0xb7, 0x60, 0xd7,
        0xf4, 0x68, 0x1d, 0x4f, 0x42, 0xa3, 0xde, 0x39, 0x4d, 0xf4, 0xae, 0x56, 0xed, 0xe7, 0x63,
        0x72, 0xbb, 0x19, 0x0b, 0x07, 0xa7, 0xc8, 0xee, 0x0a, 0x6d, 0x70, 0x9e, 0x02, 0xfc, 0xe1,
        0xcd, 0xf7, 0xe2, 0xec, 0xc0, 0x34, 0x04, 0xcd, 0x28, 0x34, 0x2f, 0x61, 0x91, 0x72, 0xfe,
        0x9c, 0xe9, 0x85, 0x83, 0xff, 0x8e, 0x4f, 0x12, 0x32, 0xee, 0xf2, 0x81, 0x83, 0xc3, 0xfe,
        0x3b, 0x1b, 0x4c, 0x6f, 0xad, 0x73, 0x3b, 0xb5, 0xfc, 0xbc, 0x2e, 0xc2, 0x20, 0x05, 0xc5,
        0x8e, 0xf1, 0x83, 0x7d, 0x16, 0x83, 0xb2, 0xc6, 0xf3, 0x4a, 0x26, 0xc1, 0xb2, 0xef, 0xfa,
        0x88, 0x6b, 0x42, 0x38, 0x61, 0x1f, 0xcf, 0xdc, 0xde, 0x35, 0x5b, 0x3b, 0x65, 0x19, 0x03,
        0x5b, 0xbc, 0x34, 0xf4, 0xde, 0xf9, 0x9c, 0x02, 0x38, 0x61, 0xb4, 0x6f, 0xc9, 0xd6, 0xe6,
        0xc9, 0x07, 0x7a, 0xd9, 0x1d, 0x26, 0x91, 0xf7, 0xf7, 0xee, 0x59, 0x8c, 0xb0, 0xfa, 0xc1,
        0x86, 0xd9, 0x1c, 0xae, 0xfe, 0x13, 0x09, 0x85, 0x13, 0x92, 0x70, 0xb4, 0x13, 0x0c, 0x93,
        0xbc, 0x43, 0x79, 0x44, 0xf4, 0xfd, 0x44, 0x52, 0xe2, 0xd7, 0x4d, 0xd3, 0x64, 0xf2, 0xe2,
        0x1e, 0x71, 0xf5, 0x4b, 0xff, 0x5c, 0xae, 0x82, 0xab, 0x9c, 0x9d, 0xf6, 0x9e, 0xe8, 0x6d,
        0x2b, 0xc5, 0x22, 0x36, 0x3a, 0x0d, 0xab, 0xc5, 0x21, 0x97, 0x9b, 0x0d, 0xea, 0xda, 0x1d,
        0xbf, 0x9a, 0x42, 0xd5, 0xc4, 0x48, 0x4e, 0x0a, 0xbc, 0xd0, 0x6b, 0xfa, 0x53, 0xdd, 0xef,
        0x3c, 0x1b, 0x20, 0xee, 0x3f, 0xd5, 0x9d, 0x7c, 0x25, 0xe4, 0x1d, 0x2b, 0x66, 0x9e, 0x1e,
        0xf1, 0x6e, 0x6f, 0x52, 0xc3, 0x16, 0x4d, 0xf4, 0xfb, 0x79, 0x30, 0xe9, 0xe4, 0xe5, 0x88,
        0x57, 0xb6, 0xac, 0x7d, 0x5f, 0x42, 0xd6, 0x9f, 0x6d, 0x18, 0x77, 0x63, 0xcf, 0x1d, 0x55,
        0x03, 0x40, 0x04, 0x87, 0xf5, 0x5b, 0xa5, 0x7e, 0x31, 0xcc, 0x7a, 0x71, 0x35, 0xc8, 0x86,
        0xef, 0xb4, 0x31, 0x8a, 0xed, 0x6a, 0x1e, 0x01, 0x2d, 0x9e, 0x68, 0x32, 0xa9, 0x07, 0x60,
        0x0a, 0x91, 0x81, 0x30, 0xc4, 0x6d, 0xc7, 0x78, 0xf9, 0x71, 0xad, 0x00, 0x38, 0x09, 0x29,
        0x99, 0xa3, 0x33, 0xcb, 0x8b, 0x7a, 0x1a, 0x1d, 0xb9, 0x3d, 0x71, 0x40, 0x00, 0x3c, 0x2a,
        0x4e, 0xce, 0xa9, 0xf9, 0x8d, 0x0a, 0xcc, 0x0a, 0x82, 0x91, 0xcd, 0xce, 0xc9, 0x7d, 0xcf,
        0x8e, 0xc9, 0xb5, 0x5a, 0x7f, 0x88, 0xa4, 0x6b, 0x4d, 0xb5, 0xa8, 0x51, 0xf4, 0x41, 0x82,
        0xe1, 0xc6, 0x8a, 0x00, 0x7e, 0x5e, 0x0d, 0xd9, 0x02, 0x0b, 0xfd, 0x64, 0xb6, 0x45, 0x03,
        0x6c, 0x7a, 0x4e, 0x67, 0x7d, 0x2c, 0x38, 0x53, 0x2a, 0x3a, 0x23, 0xba, 0x44, 0x42, 0xca,
        0xf5, 0x3e, 0xa6, 0x3b, 0xb4, 0x54, 0x32, 0x9b, 0x76, 0x24, 0xc8, 0x91, 0x7b, 0xdd, 0x64,
        0xb1, 0xc0, 0xfd, 0x4c, 0xb3, 0x8e, 0x8c, 0x33, 0x4c, 0x70, 0x1c, 0x3a, 0xcd, 0xad, 0x06,
        0x57, 0xfc, 0xcf, 0xec, 0x71, 0x9b, 0x1f, 0x5c, 0x3e, 0x4e, 0x46, 0x04, 0x1f, 0x38, 0x81,
        0x47, 0xfb, 0x4c, 0xfd, 0xb4, 0x77, 0xa5, 0x24, 0x71, 0xf7, 0xa9, 0xa9, 0x69, 0x10, 0xb8,
        0x55, 0x32, 0x2e, 0xdb, 0x63, 0x40, 0xd8, 0xa0, 0x0e, 0xf0, 0x92, 0x35, 0x05, 0x11, 0xe3,
        0x0a, 0xbe, 0xc1, 0xff, 0xf9, 0xe3, 0xa2, 0x6e, 0x7f, 0xb2, 0x9f, 0x8c, 0x18, 0x30, 0x23,
        0xc3, 0x58, 0x7e, 0x38, 0xda, 0x00, 0x77, 0xd9, 0xb4, 0x76, 0x3e, 0x4e, 0x4b, 0x94, 0xb2,
        0xbb, 0xc1, 0x94, 0xc6, 0x65, 0x1e, 0x77, 0xca, 0xf9, 0x92, 0xee, 0xaa, 0xc0, 0x23, 0x2a,
        0x28, 0x1b, 0xf6, 0xb3, 0xa7, 0x39, 0xc1, 0x22, 0x61, 0x16, 0x82, 0x0a, 0xe8, 0xdb, 0x58,
        0x47, 0xa6, 0x7c, 0xbe, 0xf9, 0xc9, 0x09, 0x1b, 0x46, 0x2d, 0x53, 0x8c, 0xd7, 0x2b, 0x03,
        0x74, 0x6a, 0xe7, 0x7f, 0x5e, 0x62, 0x29, 0x2c, 0x31, 0x15, 0x62, 0xa8, 0x46, 0x50, 0x5d,
        0xc8, 0x2d, 0xb8, 0x54, 0x33, 0x8a, 0xe4, 0x9f, 0x52, 0x35, 0xc9, 0x5b, 0x91, 0x17, 0x8c,
        0xcf, 0x2d, 0xd5, 0xca, 0xce, 0xf4, 0x03, 0xec, 0x9d, 0x18, 0x10, 0xc6, 0x27, 0x2b, 0x04,
        0x5b, 0x3b, 0x71, 0xf9, 0xdc, 0x6b, 0x80, 0xd6, 0x3f, 0xdd, 0x4a, 0x8e, 0x9a, 0xdb, 0x1e,
        0x69, 0x62, 0xa6, 0x95, 0x26, 0xd4, 0x31, 0x61, 0xc1, 0xa4, 0x1d, 0x57, 0x0d, 0x79, 0x38,
        0xda, 0xd4, 0xa4, 0x0e, 0x32, 0x9c, 0xd0, 0xe4, 0x0e, 0x65, 0xff, 0xff, 0xff, 0xff, 0xff,
        0xff, 0xff, 0xff,
    ],
    g: &[2],
};

/// FFDHE8192 group defined in [RFC 7919 Appendix A.5]
///
/// [RFC 7919 Appendix A.5]: https://datatracker.ietf.org/doc/html/rfc7919#appendix-A.5
pub const FFDHE8192: FfdheGroup<'static> = FfdheGroup {
    p: &[
        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xad, 0xf8, 0x54, 0x58, 0xa2, 0xbb, 0x4a,
        0x9a, 0xaf, 0xdc, 0x56, 0x20, 0x27, 0x3d, 0x3c, 0xf1, 0xd8, 0xb9, 0xc5, 0x83, 0xce, 0x2d,
        0x36, 0x95, 0xa9, 0xe1, 0x36, 0x41, 0x14, 0x64, 0x33, 0xfb, 0xcc, 0x93, 0x9d, 0xce, 0x24,
        0x9b, 0x3e, 0xf9, 0x7d, 0x2f, 0xe3, 0x63, 0x63, 0x0c, 0x75, 0xd8, 0xf6, 0x81, 0xb2, 0x02,
        0xae, 0xc4, 0x61, 0x7a, 0xd3, 0xdf, 0x1e, 0xd5, 0xd5, 0xfd, 0x65, 0x61, 0x24, 0x33, 0xf5,
        0x1f, 0x5f, 0x06, 0x6e, 0xd0, 0x85, 0x63, 0x65, 0x55, 0x3d, 0xed, 0x1a, 0xf3, 0xb5, 0x57,
        0x13, 0x5e, 0x7f, 0x57, 0xc9, 0x35, 0x98, 0x4f, 0x0c, 0x70, 0xe0, 0xe6, 0x8b, 0x77, 0xe2,
        0xa6, 0x89, 0xda, 0xf3, 0xef, 0xe8, 0x72, 0x1d, 0xf1, 0x58, 0xa1, 0x36, 0xad, 0xe7, 0x35,
        0x30, 0xac, 0xca, 0x4f, 0x48, 0x3a, 0x79, 0x7a, 0xbc, 0x0a, 0xb1, 0x82, 0xb3, 0x24, 0xfb,
        0x61, 0xd1, 0x08, 0xa9, 0x4b, 0xb2, 0xc8, 0xe3, 0xfb, 0xb9, 0x6a, 0xda, 0xb7, 0x60, 0xd7,
        0xf4, 0x68, 0x1d, 0x4f, 0x42, 0xa3, 0xde, 0x39, 0x4d, 0xf4, 0xae, 0x56, 0xed, 0xe7, 0x63,
        0x72, 0xbb, 0x19, 0x0b, 0x07, 0xa7, 0xc8, 0xee, 0x0a, 0x6d, 0x70, 0x9e, 0x02, 0xfc, 0xe1,
        0xcd, 0xf7, 0xe2, 0xec, 0xc0, 0x34, 0x04, 0xcd, 0x28, 0x34, 0x2f, 0x61, 0x91, 0x72, 0xfe,
        0x9c, 0xe9, 0x85, 0x83, 0xff, 0x8e, 0x4f, 0x12, 0x32, 0xee, 0xf2, 0x81, 0x83, 0xc3, 0xfe,
        0x3b, 0x1b, 0x4c, 0x6f, 0xad, 0x73, 0x3b, 0xb5, 0xfc, 0xbc, 0x2e, 0xc2, 0x20, 0x05, 0xc5,
        0x8e, 0xf1, 0x83, 0x7d, 0x16, 0x83, 0xb2, 0xc6, 0xf3, 0x4a, 0x26, 0xc1, 0xb2, 0xef, 0xfa,
        0x88, 0x6b, 0x42, 0x38, 0x61, 0x1f, 0xcf, 0xdc, 0xde, 0x35, 0x5b, 0x3b, 0x65, 0x19, 0x03,
        0x5b, 0xbc, 0x34, 0xf4, 0xde, 0xf9, 0x9c, 0x02, 0x38, 0x61, 0xb4, 0x6f, 0xc9, 0xd6, 0xe6,
        0xc9, 0x07, 0x7a, 0xd9, 0x1d, 0x26, 0x91, 0xf7, 0xf7, 0xee, 0x59, 0x8c, 0xb0, 0xfa, 0xc1,
        0x86, 0xd9, 0x1c, 0xae, 0xfe, 0x13, 0x09, 0x85, 0x13, 0x92, 0x70, 0xb4, 0x13, 0x0c, 0x93,
        0xbc, 0x43, 0x79, 0x44, 0xf4, 0xfd, 0x44, 0x52, 0xe2, 0xd7, 0x4d, 0xd3, 0x64, 0xf2, 0xe2,
        0x1e, 0x71, 0xf5, 0x4b, 0xff, 0x5c, 0xae, 0x82, 0xab, 0x9c, 0x9d, 0xf6, 0x9e, 0xe8, 0x6d,
        0x2b, 0xc5, 0x22, 0x36, 0x3a, 0x0d, 0xab, 0xc5, 0x21, 0x97, 0x9b, 0x0d, 0xea, 0xda, 0x1d,
        0xbf, 0x9a, 0x42, 0xd5, 0xc4, 0x48, 0x4e, 0x0a, 0xbc, 0xd0, 0x6b, 0xfa, 0x53, 0xdd, 0xef,
        0x3c, 0x1b, 0x20, 0xee, 0x3f, 0xd5, 0x9d, 0x7c, 0x25, 0xe4, 0x1d, 0x2b, 0x66, 0x9e, 0x1e,
        0xf1, 0x6e, 0x6f, 0x52, 0xc3, 0x16, 0x4d, 0xf4, 0xfb, 0x79, 0x30, 0xe9, 0xe4, 0xe5, 0x88,
        0x57, 0xb6, 0xac, 0x7d, 0x5f, 0x42, 0xd6, 0x9f, 0x6d, 0x18, 0x77, 0x63, 0xcf, 0x1d, 0x55,
        0x03, 0x40, 0x04, 0x87, 0xf5, 0x5b, 0xa5, 0x7e, 0x31, 0xcc, 0x7a, 0x71, 0x35, 0xc8, 0x86,
        0xef, 0xb4, 0x31, 0x8a, 0xed, 0x6a, 0x1e, 0x01, 0x2d, 0x9e, 0x68, 0x32, 0xa9, 0x07, 0x60,
        0x0a, 0x91, 0x81, 0x30, 0xc4, 0x6d, 0xc7, 0x78, 0xf9, 0x71, 0xad, 0x00, 0x38, 0x09, 0x29,
        0x99, 0xa3, 0x33, 0xcb, 0x8b, 0x7a, 0x1a, 0x1d, 0xb9, 0x3d, 0x71, 0x40, 0x00, 0x3c, 0x2a,
        0x4e, 0xce, 0xa9, 0xf9, 0x8d, 0x0a, 0xcc, 0x0a, 0x82, 0x91, 0xcd, 0xce, 0xc9, 0x7d, 0xcf,
        0x8e, 0xc9, 0xb5, 0x5a, 0x7f, 0x88, 0xa4, 0x6b, 0x4d, 0xb5, 0xa8, 0x51, 0xf4, 0x41, 0x82,
        0xe1, 0xc6, 0x8a, 0x00, 0x7e, 0x5e, 0x0d, 0xd9, 0x02, 0x0b, 0xfd, 0x64, 0xb6, 0x45, 0x03,
        0x6c, 0x7a, 0x4e, 0x67, 0x7d, 0x2c, 0x38, 0x53, 0x2a, 0x3a, 0x23, 0xba, 0x44, 0x42, 0xca,
        0xf5, 0x3e, 0xa6, 0x3b, 0xb4, 0x54, 0x32, 0x9b, 0x76, 0x24, 0xc8, 0x91, 0x7b, 0xdd, 0x64,
        0xb1, 0xc0, 0xfd, 0x4c, 0xb3, 0x8e, 0x8c, 0x33, 0x4c, 0x70, 0x1c, 0x3a, 0xcd, 0xad, 0x06,
        0x57, 0xfc, 0xcf, 0xec, 0x71, 0x9b, 0x1f, 0x5c, 0x3e, 0x4e, 0x46, 0x04, 0x1f, 0x38, 0x81,
        0x47, 0xfb, 0x4c, 0xfd, 0xb4, 0x77, 0xa5, 0x24, 0x71, 0xf7, 0xa9, 0xa9, 0x69, 0x10, 0xb8,
        0x55, 0x32, 0x2e, 0xdb, 0x63, 0x40, 0xd8, 0xa0, 0x0e, 0xf0, 0x92, 0x35, 0x05, 0x11, 0xe3,
        0x0a, 0xbe, 0xc1, 0xff, 0xf9, 0xe3, 0xa2, 0x6e, 0x7f, 0xb2, 0x9f, 0x8c, 0x18, 0x30, 0x23,
        0xc3, 0x58, 0x7e, 0x38, 0xda, 0x00, 0x77, 0xd9, 0xb4, 0x76, 0x3e, 0x4e, 0x4b, 0x94, 0xb2,
        0xbb, 0xc1, 0x94, 0xc6, 0x65, 0x1e, 0x77, 0xca, 0xf9, 0x92, 0xee, 0xaa, 0xc0, 0x23, 0x2a,
        0x28, 0x1b, 0xf6, 0xb3, 0xa7, 0x39, 0xc1, 0x22, 0x61, 0x16, 0x82, 0x0a, 0xe8, 0xdb, 0x58,
        0x47, 0xa6, 0x7c, 0xbe, 0xf9, 0xc9, 0x09, 0x1b, 0x46, 0x2d, 0x53, 0x8c, 0xd7, 0x2b, 0x03,
        0x74, 0x6a, 0xe7, 0x7f, 0x5e, 0x62, 0x29, 0x2c, 0x31, 0x15, 0x62, 0xa8, 0x46, 0x50, 0x5d,
        0xc8, 0x2d, 0xb8, 0x54, 0x33, 0x8a, 0xe4, 0x9f, 0x52, 0x35, 0xc9, 0x5b, 0x91, 0x17, 0x8c,
        0xcf, 0x2d, 0xd5, 0xca, 0xce, 0xf4, 0x03, 0xec, 0x9d, 0x18, 0x10, 0xc6, 0x27, 0x2b, 0x04,
        0x5b, 0x3b, 0x71, 0xf9, 0xdc, 0x6b, 0x80, 0xd6, 0x3f, 0xdd, 0x4a, 0x8e, 0x9a, 0xdb, 0x1e,
        0x69, 0x62, 0xa6, 0x95, 0x26, 0xd4, 0x31, 0x61, 0xc1, 0xa4, 0x1d, 0x57, 0x0d, 0x79, 0x38,
        0xda, 0xd4, 0xa4, 0x0e, 0x32, 0x9c, 0xcf, 0xf4, 0x6a, 0xaa, 0x36, 0xad, 0x00, 0x4c, 0xf6,
        0x00, 0xc8, 0x38, 0x1e, 0x42, 0x5a, 0x31, 0xd9, 0x51, 0xae, 0x64, 0xfd, 0xb2, 0x3f, 0xce,
        0xc9, 0x50, 0x9d, 0x43, 0x68, 0x7f, 0xeb, 0x69, 0xed, 0xd1, 0xcc, 0x5e, 0x0b, 0x8c, 0xc3,
        0xbd, 0xf6, 0x4b, 0x10, 0xef, 0x86, 0xb6, 0x31, 0x42, 0xa3, 0xab, 0x88, 0x29, 0x55, 0x5b,
        0x2f, 0x74, 0x7c, 0x93, 0x26, 0x65, 0xcb, 0x2c, 0x0f, 0x1c, 0xc0, 0x1b, 0xd7, 0x02, 0x29,
        0x38, 0x88, 0x39, 0xd2, 0xaf, 0x05, 0xe4, 0x54, 0x50, 0x4a, 0xc7, 0x8b, 0x75, 0x82, 0x82,
        0x28, 0x46, 0xc0, 0xba, 0x35, 0xc3, 0x5f, 0x5c, 0x59, 0x16, 0x0c, 0xc0, 0x46, 0xfd, 0x82,
        0x51, 0x54, 0x1f, 0xc6, 0x8c, 0x9c, 0x86, 0xb0, 0x22, 0xbb, 0x70, 0x99, 0x87, 0x6a, 0x46,
        0x0e, 0x74, 0x51, 0xa8, 0xa9, 0x31, 0x09, 0x70, 0x3f, 0xee, 0x1c, 0x21, 0x7e, 0x6c, 0x38,
        0x26, 0xe5, 0x2c, 0x51, 0xaa, 0x69, 0x1e, 0x0e, 0x42, 0x3c, 0xfc, 0x99, 0xe9, 0xe3, 0x16,
        0x50, 0xc1, 0x21, 0x7b, 0x62, 0x48, 0x16, 0xcd, 0xad, 0x9a, 0x95, 0xf9, 0xd5, 0xb8, 0x01,
        0x94, 0x88, 0xd9, 0xc0, 0xa0, 0xa1, 0xfe, 0x30, 0x75, 0xa5, 0x77, 0xe2, 0x31, 0x83, 0xf8,
        0x1d, 0x4a, 0x3f, 0x2f, 0xa4, 0x57, 0x1e, 0xfc, 0x8c, 0xe0, 0xba, 0x8a, 0x4f, 0xe8, 0xb6,
        0x85, 0x5d, 0xfe, 0x72, 0xb0, 0xa6, 0x6e, 0xde, 0xd2, 0xfb, 0xab, 0xfb, 0xe5, 0x8a, 0x30,
        0xfa, 0xfa, 0xbe, 0x1c, 0x5d, 0x71, 0xa8, 0x7e, 0x2f, 0x74, 0x1e, 0xf8, 0xc1, 0xfe, 0x86,
        0xfe, 0xa6, 0xbb, 0xfd, 0xe5, 0x30, 0x67, 0x7f, 0x0d, 0x97, 0xd1, 0x1d, 0x49, 0xf7, 0xa8,
        0x44, 0x3d, 0x08, 0x22, 0xe5, 0x06, 0xa9, 0xf4, 0x61, 0x4e, 0x01, 0x1e, 0x2a, 0x94, 0x83,
        0x8f, 0xf8, 0x8c, 0xd6, 0x8c, 0x8b, 0xb7, 0xc5, 0xc6, 0x42, 0x4c, 0xff, 0xff, 0xff, 0xff,
        0xff, 0xff, 0xff, 0xff,
    ],
    g: &[2],
};

#[test]
fn named_group_ffdhe_group_roundtrip() {
    use NamedGroup::*;
    let ffdhe_groups = [FFDHE2048, FFDHE3072, FFDHE4096, FFDHE6144, FFDHE8192];
    for g in ffdhe_groups {
        #[allow(deprecated)]
        let roundtrip = FfdheGroup::from_named_group(g)
            .unwrap()
            .named_group();
        assert_eq!(roundtrip, Some(g));
    }
}