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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 09:44:07 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 09:44:07 +0000 |
commit | 39ce00b8d520cbecbd6af87257e8fb11df0ec273 (patch) | |
tree | 4c21a2674c19e5c44be3b3550b476b9e63d8ae3d /src/pdkim/signing.h | |
parent | Initial commit. (diff) | |
download | exim4-39ce00b8d520cbecbd6af87257e8fb11df0ec273.tar.xz exim4-39ce00b8d520cbecbd6af87257e8fb11df0ec273.zip |
Adding upstream version 4.94.2.upstream/4.94.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/pdkim/signing.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/pdkim/signing.h b/src/pdkim/signing.h new file mode 100644 index 0000000..ed6f397 --- /dev/null +++ b/src/pdkim/signing.h @@ -0,0 +1,97 @@ +/* + * PDKIM - a RFC4871 (DKIM) implementation + * + * Copyright (C) 1995 - 2020 Exim maintainers + * + * RSA signing/verification interface + */ + +#include "../exim.h" + +#ifndef DISABLE_DKIM /* entire file */ + +#include "crypt_ver.h" + +#ifdef SIGN_OPENSSL +# include <openssl/rsa.h> +# include <openssl/ssl.h> +# include <openssl/err.h> +#elif defined(SIGN_GNUTLS) +# include <gnutls/gnutls.h> +# include <gnutls/x509.h> +# include <gnutls/abstract.h> +#elif defined(SIGN_GCRYPT) +# include <gcrypt.h> +# include <libtasn1.h> +#endif + +#include "../blob.h" + +typedef enum { + KEYTYPE_RSA, + KEYTYPE_ED25519 +} keytype; + +typedef enum { + KEYFMT_DER, /* an asn.1 structure */ + KEYFMT_ED25519_BARE /* just the key */ +} keyformat; + + +#ifdef SIGN_OPENSSL + +typedef struct { + keytype keytype; + EVP_PKEY * key; +} es_ctx; + +typedef struct { + keytype keytype; + EVP_PKEY * key; +} ev_ctx; + +#elif defined(SIGN_GNUTLS) + +typedef struct { + keytype keytype; + gnutls_privkey_t key; +} es_ctx; + +typedef struct { + keytype keytype; + gnutls_pubkey_t key; +} ev_ctx; + +#elif defined(SIGN_GCRYPT) + +typedef struct { + keytype keytype; + gcry_mpi_t n; + gcry_mpi_t e; + gcry_mpi_t d; + gcry_mpi_t p; + gcry_mpi_t q; + gcry_mpi_t dp; + gcry_mpi_t dq; + gcry_mpi_t qp; +} es_ctx; + +typedef struct { + keytype keytype; + gcry_mpi_t n; + gcry_mpi_t e; +} ev_ctx; + +#endif + + +extern void exim_dkim_init(void); +extern gstring * exim_dkim_data_append(gstring *, uschar *); + +extern const uschar * exim_dkim_signing_init(const uschar *, es_ctx *); +extern const uschar * exim_dkim_sign(es_ctx *, hashmethod, blob *, blob *); +extern const uschar * exim_dkim_verify_init(blob *, keyformat, ev_ctx *, unsigned *); +extern const uschar * exim_dkim_verify(ev_ctx *, hashmethod, blob *, blob *); + +#endif /*DISABLE_DKIM*/ +/* End of File */ |