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pki_crypto: Added pki_sign_data() and pki_verify_data_signature()

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pki_sign_data() uses the given private key and hash algorithm to sign
the data using the OpenSSL EVP interface.  The corresponding function
pki_verify_data_signature() receives the signature, the signed data, and
the public key to verify the signature.

Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Anderson Toshiyuki Sasaki
2019-05-02 13:56:15 +02:00
committed by Andreas Schneider
parent 33af736555
commit fd9446553b
5 changed files with 498 additions and 0 deletions
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8
include/libssh/pki_priv.h
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@@ -109,6 +109,14 @@ int pki_privkey_build_ecdsa(ssh_key key,
ssh_string pki_publickey_to_blob(const ssh_key key);
/* SSH Signature Functions */
ssh_signature pki_sign_data(const ssh_key privkey,
enum ssh_digest_e hash_type,
const unsigned char *input,
size_t input_len);
int pki_verify_data_signature(ssh_signature signature,
const ssh_key pubkey,
const unsigned char *input,
size_t input_len);
ssh_string pki_signature_to_blob(const ssh_signature sign);
ssh_signature pki_signature_from_blob(const ssh_key pubkey,
const ssh_string sig_blob,