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root |
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#include "EXTERN.h" |
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#include "perl.h" |
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#include "XSUB.h" |
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#include "ed25519/src/ed25519.h" |
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#include "ed25519/src/add_scalar.c" |
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#include "ed25519/src/fixedint.h" |
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#include "ed25519/src/keypair.c" |
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#include "ed25519/src/key_exchange.c" |
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#include "ed25519/src/seed.c" |
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#include "ed25519/src/sha512.c" |
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#include "ed25519/src/sha512.h" |
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#include "ed25519/src/sign.c" |
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#include "ed25519/src/verify.c" |
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#define select(a,b,c) ed25519_select (a, b, c) |
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#include "ed25519/src/ge.c" |
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#include "ed25519/src/fe.c" |
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#define load_3(x) sc_load_3(x) |
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#define load_4(x) sc_load_4(x) |
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#include "ed25519/src/sc.c" |
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MODULE = Crypt::Ed25519 PACKAGE = Crypt::Ed25519 |
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SV * |
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eddsa_secret_key () |
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CODE: |
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{ |
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unsigned char seed[32]; |
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if (ed25519_create_seed (seed)) |
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croak ("Crypt::Ed25519::eddsa_secret_key: ed25519_create_seed failed"); |
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RETVAL = newSVpvn (seed , sizeof seed); |
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} |
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OUTPUT: |
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RETVAL |
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void |
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generate_keypair (SV *secret = 0) |
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ALIAS: |
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eddsa_public_key = 1 |
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PPCODE: |
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{ |
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STRLEN secret_l; char *secret_p; |
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unsigned char seed[32]; |
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unsigned char public_key[32]; |
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unsigned char private_key[64]; |
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if (secret) |
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{ |
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secret_p = SvPVbyte (secret, secret_l); |
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if (secret_l != 32) |
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croak ("Crypt::Ed25519::eddsa_public_key: secret has wrong length (!= 32)"); |
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} |
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else |
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{ |
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if (ed25519_create_seed (seed)) |
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croak ("Crypt::Ed25519::generate_keypair: ed25519_create_seed failed"); |
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secret_p = seed; |
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} |
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ed25519_create_keypair (public_key, private_key, secret_p); |
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EXTEND (SP, 2); |
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PUSHs (sv_2mortal (newSVpvn (public_key, sizeof public_key))); |
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if (!ix) |
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PUSHs (sv_2mortal (newSVpvn (private_key, sizeof private_key))); |
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} |
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SV * |
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sign (SV *message, SV *public_key, SV *private_key) |
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ALIAS: |
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eddsa_sign = 1 |
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CODE: |
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{ |
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unsigned char hash[64]; /* result of sha512 */ |
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unsigned char signature[64]; |
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STRLEN message_l ; char *message_p = SvPVbyte (message , message_l ); |
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STRLEN public_key_l ; char *public_key_p = SvPVbyte (public_key , public_key_l ); |
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STRLEN private_key_l; char *private_key_p = SvPVbyte (private_key, private_key_l); |
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if (public_key_l != 32) |
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croak ("Crypt::Ed25519::sign: public key has wrong length (!= 32)"); |
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if (ix) |
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{ |
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if (private_key_l != 32) |
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croak ("Crypt::Ed25519::eddsa_sign: secret key has wrong length (!= 32)"); |
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sha512 (private_key_p, 32, hash); |
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hash[ 0] &= 248; |
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hash[31] &= 63; |
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hash[31] |= 64; |
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private_key_p = hash; |
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} |
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else |
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{ |
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if (private_key_l != 64) |
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croak ("Crypt::Ed25519::sign: private key has wrong length (!= 64)"); |
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} |
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ed25519_sign (signature, message_p, message_l, public_key_p, private_key_p); |
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RETVAL = newSVpvn (signature, sizeof signature); |
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} |
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OUTPUT: |
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RETVAL |
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bool |
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verify (SV *message, SV *public_key, SV *signature) |
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ALIAS: |
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eddsa_verify = 0 |
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verify_croak = 1 |
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eddsa_verify_croak = 1 |
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CODE: |
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{ |
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STRLEN signature_l ; char *signature_p = SvPVbyte (signature , signature_l ); |
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STRLEN message_l ; char *message_p = SvPVbyte (message , message_l ); |
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STRLEN public_key_l; char *public_key_p = SvPVbyte (public_key, public_key_l); |
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if (public_key_l != 32) |
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croak ("Crypt::Ed25519::verify: public key has wrong length (!= 32)"); |
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RETVAL = ed25519_verify (signature_p, message_p, message_l, public_key_p); |
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if (!RETVAL && ix) |
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croak ("Crypt::Ed25519::verify_croak: signature verification failed"); |
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} |
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OUTPUT: |
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RETVAL |
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