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path: root/openssl/engines/ccgost/gost_pmeth.c
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Diffstat (limited to 'openssl/engines/ccgost/gost_pmeth.c')
-rw-r--r--openssl/engines/ccgost/gost_pmeth.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/openssl/engines/ccgost/gost_pmeth.c b/openssl/engines/ccgost/gost_pmeth.c
index caaea99d3..4a05853e5 100644
--- a/openssl/engines/ccgost/gost_pmeth.c
+++ b/openssl/engines/ccgost/gost_pmeth.c
@@ -123,7 +123,7 @@ static int pkey_gost_ctrl94_str(EVP_PKEY_CTX *ctx,
}
if (strlen(value) == 1)
{
- switch(toupper(value[0]))
+ switch(toupper((unsigned char)value[0]))
{
case 'A':
param_nid = NID_id_GostR3410_94_CryptoPro_A_ParamSet;
@@ -142,9 +142,9 @@ static int pkey_gost_ctrl94_str(EVP_PKEY_CTX *ctx,
break;
}
}
- else if ((strlen(value) == 2) && (toupper(value[0]) == 'X'))
+ else if ((strlen(value) == 2) && (toupper((unsigned char)value[0]) == 'X'))
{
- switch (toupper(value[1]))
+ switch (toupper((unsigned char)value[1]))
{
case 'A':
param_nid = NID_id_GostR3410_94_CryptoPro_XchA_ParamSet;
@@ -198,7 +198,7 @@ static int pkey_gost_ctrl01_str(EVP_PKEY_CTX *ctx,
}
if (strlen(value) == 1)
{
- switch(toupper(value[0]))
+ switch(toupper((unsigned char)value[0]))
{
case 'A':
param_nid = NID_id_GostR3410_2001_CryptoPro_A_ParamSet;
@@ -217,9 +217,9 @@ static int pkey_gost_ctrl01_str(EVP_PKEY_CTX *ctx,
break;
}
}
- else if ((strlen(value) == 2) && (toupper(value[0]) == 'X'))
+ else if ((strlen(value) == 2) && (toupper((unsigned char)value[0]) == 'X'))
{
- switch (toupper(value[1]))
+ switch (toupper((unsigned char)value[1]))
{
case 'A':
param_nid = NID_id_GostR3410_2001_CryptoPro_XchA_ParamSet;