projects / exim.git / blame
| Commit | Line | Data |
|---|---|---|
| 2592e6c0 JH |
1 | /* |
| 2 | * PDKIM - a RFC4871 (DKIM) implementation | |
| 3 | * | |
| 4 | * Copyright (C) 2016 Exim maintainers | |
| 5 | * | |
| 6 | * Hash interface functions | |
| 7 | */ | |
| 8 | ||
| 9 | #include "../exim.h" | |
| 10 | ||
| 11 | #if !defined(DISABLE_DKIM) && !defined(PDKIM_HASH_H) /* entire file */ | |
| 12 | #define PDKIM_HASH_H | |
| 13 | ||
| 14 | #ifndef SUPPORT_TLS | |
| 15 | # error Need SUPPORT_TLS for DKIM | |
| 16 | #endif | |
| 17 | ||
| 18 | #include "crypt_ver.h" | |
| 19 | #include "blob.h" | |
| 20 | ||
| 21 | #ifdef RSA_OPENSSL | |
| 22 | # include <openssl/rsa.h> | |
| 23 | # include <openssl/ssl.h> | |
| 24 | # include <openssl/err.h> | |
| 25 | #elif defined(RSA_GNUTLS) | |
| 26 | # include <gnutls/gnutls.h> | |
| 27 | # include <gnutls/x509.h> | |
| 28 | #endif | |
| 29 | ||
| 30 | #ifdef SHA_GNUTLS | |
| 31 | # include <gnutls/crypto.h> | |
| 32 | #elif defined(SHA_GCRYPT) | |
| 33 | # include <gcrypt.h> | |
| 34 | #elif defined(SHA_POLARSSL) | |
| 35 | # include "pdkim.h" | |
| 36 | # include "polarssl/sha1.h" | |
| 37 | # include "polarssl/sha2.h" | |
| 38 | #endif | |
| 39 | ||
| 40 | /* Hash context */ | |
| 41 | typedef struct { | |
| 42 | int sha1; | |
| 43 | int hashlen; | |
| 44 | ||
| 45 | #ifdef SHA_OPENSSL | |
| 46 | union { | |
| 47 | SHA_CTX sha1; /* SHA1 block */ | |
| 48 | SHA256_CTX sha2; /* SHA256 block */ | |
| 49 | } u; | |
| 50 | ||
| 51 | #elif defined(SHA_GNUTLS) | |
| 52 | gnutls_hash_hd_t sha; /* Either SHA1 or SHA256 block */ | |
| 53 | ||
| 54 | #elif defined(SHA_GCRYPT) | |
| 55 | gcry_md_hd_t sha; /* Either SHA1 or SHA256 block */ | |
| 56 | ||
| 57 | #elif defined(SHA_POLARSSL) | |
| 58 | union { | |
| 59 | sha1_context sha1; /* SHA1 block */ | |
| 60 | sha2_context sha2; /* SHA256 block */ | |
| 61 | } u; | |
| 62 | #endif | |
| 63 | ||
| 64 | } hctx; | |
| 65 | ||
| 66 | #if defined(SHA_OPENSSL) | |
| 67 | # include "pdkim.h" | |
| 68 | #elif defined(SHA_GCRYPT) | |
| 69 | # include "pdkim.h" | |
| 70 | #endif | |
| 71 | ||
| 72 | ||
| 73 | extern void exim_sha_init(hctx *, BOOL); | |
| 74 | extern void exim_sha_update(hctx *, const char *a, int); | |
| 75 | extern void exim_sha_finish(hctx *, blob *); | |
| 76 | extern int exim_sha_hashlen(hctx *); | |
| 77 | ||
| 78 | #endif /*DISABLE_DKIM*/ | |
| 79 | /* End of File */ |