diff options
Diffstat (limited to 'src/crypto/digest/digests.c')
-rw-r--r-- | src/crypto/digest/digests.c | 168 |
1 files changed, 107 insertions, 61 deletions
diff --git a/src/crypto/digest/digests.c b/src/crypto/digest/digests.c index ac00ed3..f5eda36 100644 --- a/src/crypto/digest/digests.c +++ b/src/crypto/digest/digests.c @@ -56,6 +56,9 @@ #include <openssl/digest.h> +#include <assert.h> +#include <string.h> + #include <openssl/md4.h> #include <openssl/md5.h> #include <openssl/obj.h> @@ -63,15 +66,23 @@ #include "internal.h" +#if defined(NDEBUG) +#define CHECK(x) x +#else +#define CHECK(x) assert(x) +#endif + -static int md4_init(EVP_MD_CTX *ctx) { return MD4_Init(ctx->md_data); } +static void md4_init(EVP_MD_CTX *ctx) { + CHECK(MD4_Init(ctx->md_data)); +} -static int md4_update(EVP_MD_CTX *ctx, const void *data, size_t count) { - return MD4_Update(ctx->md_data, data, count); +static void md4_update(EVP_MD_CTX *ctx, const void *data, size_t count) { + CHECK(MD4_Update(ctx->md_data, data, count)); } -static int md4_final(EVP_MD_CTX *ctx, unsigned char *out) { - return MD4_Final(out, ctx->md_data); +static void md4_final(EVP_MD_CTX *ctx, uint8_t *out) { + CHECK(MD4_Final(out, ctx->md_data)); } static const EVP_MD md4_md = { @@ -82,14 +93,16 @@ static const EVP_MD md4_md = { const EVP_MD *EVP_md4(void) { return &md4_md; } -static int md5_init(EVP_MD_CTX *ctx) { return MD5_Init(ctx->md_data); } +static void md5_init(EVP_MD_CTX *ctx) { + CHECK(MD5_Init(ctx->md_data)); +} -static int md5_update(EVP_MD_CTX *ctx, const void *data, size_t count) { - return MD5_Update(ctx->md_data, data, count); +static void md5_update(EVP_MD_CTX *ctx, const void *data, size_t count) { + CHECK(MD5_Update(ctx->md_data, data, count)); } -static int md5_final(EVP_MD_CTX *ctx, unsigned char *out) { - return MD5_Final(out, ctx->md_data); +static void md5_final(EVP_MD_CTX *ctx, uint8_t *out) { + CHECK(MD5_Final(out, ctx->md_data)); } static const EVP_MD md5_md = { @@ -100,14 +113,16 @@ static const EVP_MD md5_md = { const EVP_MD *EVP_md5(void) { return &md5_md; } -static int sha1_init(EVP_MD_CTX *ctx) { return SHA1_Init(ctx->md_data); } +static void sha1_init(EVP_MD_CTX *ctx) { + CHECK(SHA1_Init(ctx->md_data)); +} -static int sha1_update(EVP_MD_CTX *ctx, const void *data, size_t count) { - return SHA1_Update(ctx->md_data, data, count); +static void sha1_update(EVP_MD_CTX *ctx, const void *data, size_t count) { + CHECK(SHA1_Update(ctx->md_data, data, count)); } -static int sha1_final(EVP_MD_CTX *ctx, unsigned char *md) { - return SHA1_Final(md, ctx->md_data); +static void sha1_final(EVP_MD_CTX *ctx, uint8_t *md) { + CHECK(SHA1_Final(md, ctx->md_data)); } static const EVP_MD sha1_md = { @@ -118,14 +133,16 @@ static const EVP_MD sha1_md = { const EVP_MD *EVP_sha1(void) { return &sha1_md; } -static int sha224_init(EVP_MD_CTX *ctx) { return SHA224_Init(ctx->md_data); } +static void sha224_init(EVP_MD_CTX *ctx) { + CHECK(SHA224_Init(ctx->md_data)); +} -static int sha224_update(EVP_MD_CTX *ctx, const void *data, size_t count) { - return SHA224_Update(ctx->md_data, data, count); +static void sha224_update(EVP_MD_CTX *ctx, const void *data, size_t count) { + CHECK(SHA224_Update(ctx->md_data, data, count)); } -static int sha224_final(EVP_MD_CTX *ctx, unsigned char *md) { - return SHA224_Final(md, ctx->md_data); +static void sha224_final(EVP_MD_CTX *ctx, uint8_t *md) { + CHECK(SHA224_Final(md, ctx->md_data)); } static const EVP_MD sha224_md = { @@ -137,14 +154,16 @@ static const EVP_MD sha224_md = { const EVP_MD *EVP_sha224(void) { return &sha224_md; } -static int sha256_init(EVP_MD_CTX *ctx) { return SHA256_Init(ctx->md_data); } +static void sha256_init(EVP_MD_CTX *ctx) { + CHECK(SHA256_Init(ctx->md_data)); +} -static int sha256_update(EVP_MD_CTX *ctx, const void *data, size_t count) { - return SHA256_Update(ctx->md_data, data, count); +static void sha256_update(EVP_MD_CTX *ctx, const void *data, size_t count) { + CHECK(SHA256_Update(ctx->md_data, data, count)); } -static int sha256_final(EVP_MD_CTX *ctx, unsigned char *md) { - return SHA256_Final(md, ctx->md_data); +static void sha256_final(EVP_MD_CTX *ctx, uint8_t *md) { + CHECK(SHA256_Final(md, ctx->md_data)); } static const EVP_MD sha256_md = { @@ -156,14 +175,16 @@ static const EVP_MD sha256_md = { const EVP_MD *EVP_sha256(void) { return &sha256_md; } -static int sha384_init(EVP_MD_CTX *ctx) { return SHA384_Init(ctx->md_data); } +static void sha384_init(EVP_MD_CTX *ctx) { + CHECK(SHA384_Init(ctx->md_data)); +} -static int sha384_update(EVP_MD_CTX *ctx, const void *data, size_t count) { - return SHA384_Update(ctx->md_data, data, count); +static void sha384_update(EVP_MD_CTX *ctx, const void *data, size_t count) { + CHECK(SHA384_Update(ctx->md_data, data, count)); } -static int sha384_final(EVP_MD_CTX *ctx, unsigned char *md) { - return SHA384_Final(md, ctx->md_data); +static void sha384_final(EVP_MD_CTX *ctx, uint8_t *md) { + CHECK(SHA384_Final(md, ctx->md_data)); } static const EVP_MD sha384_md = { @@ -175,14 +196,16 @@ static const EVP_MD sha384_md = { const EVP_MD *EVP_sha384(void) { return &sha384_md; } -static int sha512_init(EVP_MD_CTX *ctx) { return SHA512_Init(ctx->md_data); } +static void sha512_init(EVP_MD_CTX *ctx) { + CHECK(SHA512_Init(ctx->md_data)); +} -static int sha512_update(EVP_MD_CTX *ctx, const void *data, size_t count) { - return SHA512_Update(ctx->md_data, data, count); +static void sha512_update(EVP_MD_CTX *ctx, const void *data, size_t count) { + CHECK(SHA512_Update(ctx->md_data, data, count)); } -static int sha512_final(EVP_MD_CTX *ctx, unsigned char *md) { - return SHA512_Final(md, ctx->md_data); +static void sha512_final(EVP_MD_CTX *ctx, uint8_t *md) { + CHECK(SHA512_Final(md, ctx->md_data)); } static const EVP_MD sha512_md = { @@ -199,23 +222,22 @@ typedef struct { SHA_CTX sha1; } MD5_SHA1_CTX; -static int md5_sha1_init(EVP_MD_CTX *md_ctx) { +static void md5_sha1_init(EVP_MD_CTX *md_ctx) { MD5_SHA1_CTX *ctx = md_ctx->md_data; - return MD5_Init(&ctx->md5) && SHA1_Init(&ctx->sha1); + CHECK(MD5_Init(&ctx->md5) && SHA1_Init(&ctx->sha1)); } -static int md5_sha1_update(EVP_MD_CTX *md_ctx, const void *data, size_t count) { +static void md5_sha1_update(EVP_MD_CTX *md_ctx, const void *data, + size_t count) { MD5_SHA1_CTX *ctx = md_ctx->md_data; - return MD5_Update(&ctx->md5, data, count) && SHA1_Update(&ctx->sha1, data, count); + CHECK(MD5_Update(&ctx->md5, data, count) && + SHA1_Update(&ctx->sha1, data, count)); } -static int md5_sha1_final(EVP_MD_CTX *md_ctx, unsigned char *out) { +static void md5_sha1_final(EVP_MD_CTX *md_ctx, uint8_t *out) { MD5_SHA1_CTX *ctx = md_ctx->md_data; - if (!MD5_Final(out, &ctx->md5) || - !SHA1_Final(out + MD5_DIGEST_LENGTH, &ctx->sha1)) { - return 0; - } - return 1; + CHECK(MD5_Final(out, &ctx->md5) && + SHA1_Final(out + MD5_DIGEST_LENGTH, &ctx->sha1)); } static const EVP_MD md5_sha1_md = { @@ -235,25 +257,33 @@ const EVP_MD *EVP_md5_sha1(void) { return &md5_sha1_md; } struct nid_to_digest { int nid; const EVP_MD* (*md_func)(void); + const char *short_name; + const char *long_name; }; static const struct nid_to_digest nid_to_digest_mapping[] = { - { NID_md5, EVP_md5 }, - { NID_sha1, EVP_sha1 }, - { NID_sha224, EVP_sha224 }, - { NID_sha256, EVP_sha256 }, - { NID_sha384, EVP_sha384 }, - { NID_sha512, EVP_sha512 }, - { NID_md5_sha1, EVP_md5_sha1 }, - { NID_dsaWithSHA, EVP_sha1 }, - { NID_dsaWithSHA1, EVP_sha1 }, - { NID_ecdsa_with_SHA1, EVP_sha1 }, - { NID_md5WithRSAEncryption, EVP_md5 }, - { NID_sha1WithRSAEncryption, EVP_sha1 }, - { NID_sha224WithRSAEncryption, EVP_sha224 }, - { NID_sha256WithRSAEncryption, EVP_sha256 }, - { NID_sha384WithRSAEncryption, EVP_sha384 }, - { NID_sha512WithRSAEncryption, EVP_sha512 }, + { NID_md5, EVP_md5, SN_md5, LN_md5 }, + { NID_sha1, EVP_sha1, SN_sha1, LN_sha1 }, + { NID_sha224, EVP_sha224, SN_sha224, LN_sha224 }, + { NID_sha256, EVP_sha256, SN_sha256, LN_sha256 }, + { NID_sha384, EVP_sha384, SN_sha384, LN_sha384 }, + { NID_sha512, EVP_sha512, SN_sha512, LN_sha512 }, + { NID_md5_sha1, EVP_md5_sha1, SN_md5_sha1, LN_md5_sha1 }, + { NID_dsaWithSHA, EVP_sha1, SN_dsaWithSHA, LN_dsaWithSHA }, + { NID_dsaWithSHA1, EVP_sha1, SN_dsaWithSHA1, LN_dsaWithSHA1 }, + { NID_ecdsa_with_SHA1, EVP_sha1, SN_ecdsa_with_SHA1, NULL }, + { NID_md5WithRSAEncryption, EVP_md5, SN_md5WithRSAEncryption, + LN_md5WithRSAEncryption }, + { NID_sha1WithRSAEncryption, EVP_sha1, SN_sha1WithRSAEncryption, + LN_sha1WithRSAEncryption }, + { NID_sha224WithRSAEncryption, EVP_sha224, SN_sha224WithRSAEncryption, + LN_sha224WithRSAEncryption }, + { NID_sha256WithRSAEncryption, EVP_sha256, SN_sha256WithRSAEncryption, + LN_sha256WithRSAEncryption }, + { NID_sha384WithRSAEncryption, EVP_sha384, SN_sha384WithRSAEncryption, + LN_sha384WithRSAEncryption }, + { NID_sha512WithRSAEncryption, EVP_sha512, SN_sha512WithRSAEncryption, + LN_sha512WithRSAEncryption }, }; const EVP_MD* EVP_get_digestbynid(int nid) { @@ -272,3 +302,19 @@ const EVP_MD* EVP_get_digestbynid(int nid) { const EVP_MD* EVP_get_digestbyobj(const ASN1_OBJECT *obj) { return EVP_get_digestbynid(OBJ_obj2nid(obj)); } + +const EVP_MD *EVP_get_digestbyname(const char *name) { + unsigned i; + + for (i = 0; i < sizeof(nid_to_digest_mapping) / sizeof(struct nid_to_digest); + i++) { + const char *short_name = nid_to_digest_mapping[i].short_name; + const char *long_name = nid_to_digest_mapping[i].long_name; + if ((short_name && strcmp(short_name, name) == 0) || + (long_name && strcmp(long_name, name) == 0)) { + return nid_to_digest_mapping[i].md_func(); + } + } + + return NULL; +} |