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authordjm <>2012-10-13 21:25:14 +0000
committerdjm <>2012-10-13 21:25:14 +0000
commit93723b50b639d8dc717bc1bf463fd46e1b321239 (patch)
tree281e0a29ae8f87a8c47fbd4deaa1f3d48b8cc5c1 /src/lib/libcrypto/hmac
parent65e72ac55a6405783db7a12d7e35a7561d46005b (diff)
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Diffstat (limited to 'src/lib/libcrypto/hmac')
-rw-r--r--src/lib/libcrypto/hmac/hmac.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/lib/libcrypto/hmac/hmac.c b/src/lib/libcrypto/hmac/hmac.c
index 6c98fc43a3..ba27cbf56f 100644
--- a/src/lib/libcrypto/hmac/hmac.c
+++ b/src/lib/libcrypto/hmac/hmac.c
@@ -61,12 +61,34 @@
61#include "cryptlib.h" 61#include "cryptlib.h"
62#include <openssl/hmac.h> 62#include <openssl/hmac.h>
63 63
64#ifdef OPENSSL_FIPS
65#include <openssl/fips.h>
66#endif
67
64int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len, 68int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len,
65 const EVP_MD *md, ENGINE *impl) 69 const EVP_MD *md, ENGINE *impl)
66 { 70 {
67 int i,j,reset=0; 71 int i,j,reset=0;
68 unsigned char pad[HMAC_MAX_MD_CBLOCK]; 72 unsigned char pad[HMAC_MAX_MD_CBLOCK];
69 73
74#ifdef OPENSSL_FIPS
75 if (FIPS_mode())
76 {
77 /* If we have an ENGINE need to allow non FIPS */
78 if ((impl || ctx->i_ctx.engine)
79 && !(ctx->i_ctx.flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW))
80 {
81 EVPerr(EVP_F_HMAC_INIT_EX, EVP_R_DISABLED_FOR_FIPS);
82 return 0;
83 }
84 /* Other algorithm blocking will be done in FIPS_cmac_init,
85 * via FIPS_hmac_init_ex().
86 */
87 if (!impl && !ctx->i_ctx.engine)
88 return FIPS_hmac_init_ex(ctx, key, len, md, NULL);
89 }
90#endif
91
70 if (md != NULL) 92 if (md != NULL)
71 { 93 {
72 reset=1; 94 reset=1;
@@ -133,6 +155,10 @@ int HMAC_Init(HMAC_CTX *ctx, const void *key, int len, const EVP_MD *md)
133 155
134int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, size_t len) 156int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, size_t len)
135 { 157 {
158#ifdef OPENSSL_FIPS
159 if (FIPS_mode() && !ctx->i_ctx.engine)
160 return FIPS_hmac_update(ctx, data, len);
161#endif
136 return EVP_DigestUpdate(&ctx->md_ctx,data,len); 162 return EVP_DigestUpdate(&ctx->md_ctx,data,len);
137 } 163 }
138 164
@@ -140,6 +166,10 @@ int HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len)
140 { 166 {
141 unsigned int i; 167 unsigned int i;
142 unsigned char buf[EVP_MAX_MD_SIZE]; 168 unsigned char buf[EVP_MAX_MD_SIZE];
169#ifdef OPENSSL_FIPS
170 if (FIPS_mode() && !ctx->i_ctx.engine)
171 return FIPS_hmac_final(ctx, md, len);
172#endif
143 173
144 if (!EVP_DigestFinal_ex(&ctx->md_ctx,buf,&i)) 174 if (!EVP_DigestFinal_ex(&ctx->md_ctx,buf,&i))
145 goto err; 175 goto err;
@@ -179,6 +209,13 @@ int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx)
179 209
180void HMAC_CTX_cleanup(HMAC_CTX *ctx) 210void HMAC_CTX_cleanup(HMAC_CTX *ctx)
181 { 211 {
212#ifdef OPENSSL_FIPS
213 if (FIPS_mode() && !ctx->i_ctx.engine)
214 {
215 FIPS_hmac_ctx_cleanup(ctx);
216 return;
217 }
218#endif
182 EVP_MD_CTX_cleanup(&ctx->i_ctx); 219 EVP_MD_CTX_cleanup(&ctx->i_ctx);
183 EVP_MD_CTX_cleanup(&ctx->o_ctx); 220 EVP_MD_CTX_cleanup(&ctx->o_ctx);
184 EVP_MD_CTX_cleanup(&ctx->md_ctx); 221 EVP_MD_CTX_cleanup(&ctx->md_ctx);