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#[derive(Debug, Clone, Copy)]
pub enum Hash {
MD5,
SHA1,
SHA2_224,
SHA2_256,
SHA2_384,
SHA2_512,
SHA3_256,
SHA3_384,
SHA3_512,
MD5SHA1,
RIPEMD160,
}
impl Hash {
pub fn size(&self) -> usize {
match *self {
Hash::MD5 => 16,
Hash::SHA1 => 20,
Hash::SHA2_224 => 28,
Hash::SHA2_256 => 32,
Hash::SHA2_384 => 48,
Hash::SHA2_512 => 64,
Hash::SHA3_256 => 32,
Hash::SHA3_384 => 48,
Hash::SHA3_512 => 64,
Hash::MD5SHA1 => 36,
Hash::RIPEMD160 => 20,
}
}
pub fn asn1_prefix(&self) -> &'static [u8] {
match *self {
Hash::MD5 => &[
0x30, 0x20, 0x30, 0x0c, 0x06, 0x08, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x02, 0x05,
0x05, 0x00, 0x04, 0x10,
],
Hash::SHA1 => &[
0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03, 0x02, 0x1a, 0x05, 0x00, 0x04,
0x14,
],
Hash::SHA2_224 => &[
0x30, 0x2d, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02,
0x04, 0x05, 0x00, 0x04, 0x1c,
],
Hash::SHA2_256 => &[
0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02,
0x01, 0x05, 0x00, 0x04, 0x20,
],
Hash::SHA2_384 => &[
0x30, 0x41, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02,
0x02, 0x05, 0x00, 0x04, 0x30,
],
Hash::SHA2_512 => &[
0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02,
0x03, 0x05, 0x00, 0x04, 0x40,
],
Hash::MD5SHA1 => &[],
Hash::RIPEMD160 => &[
0x30, 0x20, 0x30, 0x08, 0x06, 0x06, 0x28, 0xcf, 0x06, 0x03, 0x00, 0x31, 0x04, 0x14,
],
Hash::SHA3_256 => &[
0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02,
0x08, 0x05, 0x00, 0x04, 0x20,
],
Hash::SHA3_384 => &[
30, 0x31, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02,
0x08, 0x05, 0x00, 0x04, 0x20,
],
Hash::SHA3_512 => &[
0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02,
0x0a, 0x05, 0x00, 0x04, 0x40,
],
}
}
}