diff options
Diffstat (limited to 'lib/public_key/src/public_key.erl')
| -rw-r--r-- | lib/public_key/src/public_key.erl | 56 |
1 files changed, 52 insertions, 4 deletions
diff --git a/lib/public_key/src/public_key.erl b/lib/public_key/src/public_key.erl index 95202282fb..8f185bbbd4 100644 --- a/lib/public_key/src/public_key.erl +++ b/lib/public_key/src/public_key.erl @@ -395,9 +395,15 @@ dh_gex_group(Min, N, Max, Groups) -> pubkey_ssh:dh_gex_group(Min, N, Max, Groups). %%-------------------------------------------------------------------- --spec generate_key(#'DHParameter'{} | {namedCurve, Name ::oid()} | - #'ECParameters'{}) -> {Public::binary(), Private::binary()} | - #'ECPrivateKey'{}. +-spec generate_key(#'DHParameter'{}) -> + {Public::binary(), Private::binary()}; + ({namedCurve, Name ::oid()}) -> + #'ECPrivateKey'{}; + (#'ECParameters'{}) -> + #'ECPrivateKey'{}; + ({rsa, Size::pos_integer(), PubExp::pos_integer()}) -> + {#'RSAPublicKey'{}, #'RSAPrivateKey'{}}. + %% Description: Generates a new keypair %%-------------------------------------------------------------------- generate_key(#'DHParameter'{prime = P, base = G}) -> @@ -405,7 +411,49 @@ generate_key(#'DHParameter'{prime = P, base = G}) -> generate_key({namedCurve, _} = Params) -> ec_generate_key(Params); generate_key(#'ECParameters'{} = Params) -> - ec_generate_key(Params). + ec_generate_key(Params); +generate_key({rsa, ModulusSize, PublicExponent}) -> + case crypto:generate_key(rsa, {ModulusSize,PublicExponent}) of + {[E, N], [E, N, D, P, Q, D_mod_P_1, D_mod_Q_1, InvQ_mod_P]} -> + Nint = crypto:bytes_to_integer(N), + Eint = crypto:bytes_to_integer(E), + {#'RSAPublicKey'{modulus = Nint, + publicExponent = Eint}, + #'RSAPrivateKey'{version = 0, % Two-factor (I guess since otherPrimeInfos is not given) + modulus = Nint, + publicExponent = Eint, + privateExponent = crypto:bytes_to_integer(D), + prime1 = crypto:bytes_to_integer(P), + prime2 = crypto:bytes_to_integer(Q), + exponent1 = crypto:bytes_to_integer(D_mod_P_1), + exponent2 = crypto:bytes_to_integer(D_mod_Q_1), + coefficient = crypto:bytes_to_integer(InvQ_mod_P)} + }; + + {[E, N], [E, N, D]} -> % FIXME: what to set the other fields in #'RSAPrivateKey'? + % Answer: Miller [Mil76] + % G.L. Miller. Riemann's hypothesis and tests for primality. + % Journal of Computer and Systems Sciences, + % 13(3):300-307, + % 1976. + Nint = crypto:bytes_to_integer(N), + Eint = crypto:bytes_to_integer(E), + {#'RSAPublicKey'{modulus = Nint, + publicExponent = Eint}, + #'RSAPrivateKey'{version = 0, % Two-factor (I guess since otherPrimeInfos is not given) + modulus = Nint, + publicExponent = Eint, + privateExponent = crypto:bytes_to_integer(D), + prime1 = '?', + prime2 = '?', + exponent1 = '?', + exponent2 = '?', + coefficient = '?'} + }; + + Other -> + Other + end. %%-------------------------------------------------------------------- -spec compute_key(#'ECPoint'{} , #'ECPrivateKey'{}) -> binary(). |