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https://github.com/PowerShell/Win32-OpenSSH.git
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44d8ddddb1
Implementation of a generic wrap interface for bignum and diffie-hellman based upon Damien's wrap code in openssh-openbsd. This commit adds the generic interface along with the backing code for openssl, cng, and cng with an openssl fallback. Currently, openssl is the only provider for bignum and the diffie-hellman generic interface is only for static and negotiated oakley groups..
51 lines
1.9 KiB
C
51 lines
1.9 KiB
C
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#ifndef _OPENSSL_WRAP_H
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#define _OPENSSL_WRAP_H
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struct sshdh;
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struct sshbn;
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struct sshbuf;
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struct ssh;
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struct sshdh *sshdh_new(void);
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void sshdh_free(struct sshdh *dh);
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struct sshbn *sshdh_pubkey(struct sshdh *dh);
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struct sshbn *sshdh_p(struct sshdh *dh);
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struct sshbn *sshdh_g(struct sshdh *dh);
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void sshdh_dump(struct sshdh *dh);
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size_t sshdh_shared_key_size(struct sshdh *dh);
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int sshdh_compute_key(struct sshdh *dh, struct sshbn *pubkey,
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struct sshbn **shared_secretp);
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int sshdh_generate(struct sshdh *dh, size_t len);
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int sshdh_new_group_hex(const char *gen, const char *modulus,
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struct sshdh **dhp);
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struct sshdh *sshdh_new_group(struct sshbn *gen, struct sshbn *modulus);
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struct sshbn *sshbn_new(void);
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void sshbn_free(struct sshbn *bn);
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int sshbn_from(const void *d, size_t l, struct sshbn **retp);
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int sshbn_from_hex(const char *hex, struct sshbn **retp);
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size_t sshbn_bits(const struct sshbn *bn);
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const struct sshbn *sshbn_value_0(void);
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const struct sshbn *sshbn_value_1(void);
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int sshbn_cmp(const struct sshbn *a, const struct sshbn *b);
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int sshbn_sub(struct sshbn *r, const struct sshbn *a, const struct sshbn *b);
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int sshbn_is_bit_set(const struct sshbn *bn, size_t i);
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int sshbn_to(const struct sshbn *a, unsigned char *to);
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size_t sshbn_bytes(const struct sshbn *bn);
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/* XXX move to sshbuf.h; rename s/_wrap$// */
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int sshbuf_get_bignum2_wrap(struct sshbuf *buf, struct sshbn *bn);
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int sshbuf_get_bignum1_wrap(struct sshbuf *buf, struct sshbn *bn);
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int sshbuf_put_bignum2_wrap(struct sshbuf *buf, const struct sshbn *bn);
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int sshbuf_put_bignum1_wrap(struct sshbuf *buf, const struct sshbn *bn);
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int sshpkt_get_bignum2_wrap(struct ssh *ssh, struct sshbn *bn);
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int sshpkt_put_bignum2_wrap(struct ssh *ssh, const struct sshbn *bn);
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/* bridge to unwrapped OpenSSL APIs; XXX remove later */
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struct sshbn *sshbn_from_bignum(BIGNUM *bn);
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BIGNUM *sshbn_bignum(struct sshbn *bn);
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DH *sshdh_dh(struct sshdh *dh);
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#endif /* _OPENSSL_WRAP_H */ |