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Implement the SHA-3 family.

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These aren't used _directly_ by SSH at present, but an instance of
SHAKE-256 is required by the recently standardised Ed448.
This commit is contained in:
Simon Tatham
2020-03-02 06:55:48 +00:00
parent 31e5b621b5
commit b8a08f9321
6 changed files with 353 additions and 2 deletions
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7
ssh.h
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@ -929,7 +929,7 @@ struct ssh2_userkey {
};
/* The maximum length of any hash algorithm. (bytes) */
#define MAX_HASH_LEN (64) /* longest is SHA-512 */
#define MAX_HASH_LEN (114) /* longest is SHAKE256 with 114-byte output */
extern const ssh_cipheralg ssh_3des_ssh1;
extern const ssh_cipheralg ssh_blowfish_ssh1;
@ -975,6 +975,11 @@ extern const ssh_hashalg ssh_sha256_hw;
extern const ssh_hashalg ssh_sha256_sw;
extern const ssh_hashalg ssh_sha384;
extern const ssh_hashalg ssh_sha512;
extern const ssh_hashalg ssh_sha3_224;
extern const ssh_hashalg ssh_sha3_256;
extern const ssh_hashalg ssh_sha3_384;
extern const ssh_hashalg ssh_sha3_512;
extern const ssh_hashalg ssh_shake256_114bytes;
extern const ssh_kexes ssh_diffiehellman_group1;
extern const ssh_kexes ssh_diffiehellman_group14;
extern const ssh_kexes ssh_diffiehellman_gex;