HCoop / hcoop / debian / exim4.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ea97746 CE |
1 | /* |
| 2 | * PDKIM - a RFC4871 (DKIM) implementation | |
| 3 | * | |
| 4 | * Copyright (C) 1995 - 2018 Exim maintainers | |
| 5 | * | |
| 6 | * RSA signing/verification interface | |
| 7 | */ | |
| 8 | ||
| 9 | #include "../exim.h" | |
| 10 | ||
| 11 | #ifndef DISABLE_DKIM /* entire file */ | |
| 12 | ||
| 13 | #include "crypt_ver.h" | |
| 14 | ||
| 15 | #ifdef SIGN_OPENSSL | |
| 16 | # include <openssl/rsa.h> | |
| 17 | # include <openssl/ssl.h> | |
| 18 | # include <openssl/err.h> | |
| 19 | #elif defined(SIGN_GNUTLS) | |
| 20 | # include <gnutls/gnutls.h> | |
| 21 | # include <gnutls/x509.h> | |
| 22 | # include <gnutls/abstract.h> | |
| 23 | #elif defined(SIGN_GCRYPT) | |
| 24 | # include <gcrypt.h> | |
| 25 | # include <libtasn1.h> | |
| 26 | #endif | |
| 27 | ||
| 28 | #include "../blob.h" | |
| 29 | ||
| 30 | typedef enum { | |
| 31 | KEYTYPE_RSA, | |
| 32 | KEYTYPE_ED25519 | |
| 33 | } keytype; | |
| 34 | ||
| 35 | typedef enum { | |
| 36 | KEYFMT_DER, /* an asn.1 structure */ | |
| 37 | KEYFMT_ED25519_BARE /* just the key */ | |
| 38 | } keyformat; | |
| 39 | ||
| 40 | ||
| 41 | #ifdef SIGN_OPENSSL | |
| 42 | ||
| 43 | typedef struct { | |
| 44 | keytype keytype; | |
| 45 | EVP_PKEY * key; | |
| 46 | } es_ctx; | |
| 47 | ||
| 48 | typedef struct { | |
| 49 | keytype keytype; | |
| 50 | EVP_PKEY * key; | |
| 51 | } ev_ctx; | |
| 52 | ||
| 53 | #elif defined(SIGN_GNUTLS) | |
| 54 | ||
| 55 | typedef struct { | |
| 56 | keytype keytype; | |
| 57 | gnutls_privkey_t key; | |
| 58 | } es_ctx; | |
| 59 | ||
| 60 | typedef struct { | |
| 61 | keytype keytype; | |
| 62 | gnutls_pubkey_t key; | |
| 63 | } ev_ctx; | |
| 64 | ||
| 65 | #elif defined(SIGN_GCRYPT) | |
| 66 | ||
| 67 | typedef struct { | |
| 68 | keytype keytype; | |
| 69 | gcry_mpi_t n; | |
| 70 | gcry_mpi_t e; | |
| 71 | gcry_mpi_t d; | |
| 72 | gcry_mpi_t p; | |
| 73 | gcry_mpi_t q; | |
| 74 | gcry_mpi_t dp; | |
| 75 | gcry_mpi_t dq; | |
| 76 | gcry_mpi_t qp; | |
| 77 | } es_ctx; | |
| 78 | ||
| 79 | typedef struct { | |
| 80 | keytype keytype; | |
| 81 | gcry_mpi_t n; | |
| 82 | gcry_mpi_t e; | |
| 83 | } ev_ctx; | |
| 84 | ||
| 85 | #endif | |
| 86 | ||
| 87 | ||
| 88 | extern void exim_dkim_init(void); | |
| 89 | extern gstring * exim_dkim_data_append(gstring *, uschar *); | |
| 90 | ||
| 91 | extern const uschar * exim_dkim_signing_init(const uschar *, es_ctx *); | |
| 92 | extern const uschar * exim_dkim_sign(es_ctx *, hashmethod, blob *, blob *); | |
| 93 | extern const uschar * exim_dkim_verify_init(blob *, keyformat, ev_ctx *); | |
| 94 | extern const uschar * exim_dkim_verify(ev_ctx *, hashmethod, blob *, blob *); | |
| 95 | ||
| 96 | #endif /*DISABLE_DKIM*/ | |
| 97 | /* End of File */ |